🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.48 AU - 0.7 AU

Year: 166 Days

Day: 44.1 Hours

Environment

Temp: 213 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.72 AU - 0.78 AU

Year: 237 Days

Day: 39 Hours

Environment

Temp: 141 °C

Axial Tilt: 117.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 87,977,517 km

• M1: 52,658 km (0.085 R)
• M2: 280,197 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.75 AU - 0.83 AU

Year: 256 Days

Day: 44.9 Hours

Environment

Temp: 144 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.76 AU - 1.2 AU

Year: 354 Days

Day: 25.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.92 AU - 2.46 AU

Year: 1184 Days

Day: 32.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,977,517 km

• M1: 105,616 km (0.097 R)

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 14.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.79 AU - 10.57 AU

Year: 10159 Days

Day: 11.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 179.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 87,977,517 km

• M1: 386,561 km (0.07 R)
• M2: 765,642 km (0.09 R)
• M3: 1,598,603 km (0.104 R)
• M4: 1,921,136 km (0.082 R)
• M5: 2,164,681 km (0.096 R)
• M6: 2,315,775 km (0.116 R)
• M7: 2,611,231 km (0.113 R)
• M8: 2,882,302 km (0.113 R)
• M9: 3,068,252 km (0.062 R)
• M10: 3,452,270 km (0.069 R)
• M11: 3,913,331 km (0.084 R)
• M12: 4,351,652 km (0.077 R)
• M13: 4,872,103 km (0.075 R)
• M14: 5,230,241 km (0.114 R)
• M15: 5,366,824 km (0.113 R)
• M16: 5,504,603 km (0.032 R)
• M17: 5,924,973 km (0.052 R)
• M18: 7,299,179 km (0.073 R)
• M19: 7,503,530 km (0.081 R)
• M20: 8,048,665 km (0.113 R)
• M21: 8,312,854 km (0.102 R)
• M22: 8,931,292 km (0.057 R)
• M23: 9,872,861 km (0.071 R)
• M24: 10,013,932 km (0.112 R)
• M25: 10,642,991 km (0.097 R)
• M26: 10,962,382 km (0.08 R)
• M27: 11,314,386 km (0.109 R)
• M28: 12,210,926 km (0.102 R)
• M29: 12,392,987 km (0.038 R)
• M30: 12,790,468 km (0.045 R)
• M31: 13,316,754 km (0.107 R)
• M32: 13,818,505 km (0.075 R)
• M33: 13,944,915 km (0.077 R)
• M34: 14,167,218 km (0.104 R)
• M35: 14,390,567 km (0.113 R)
• M36: 14,679,441 km (0.075 R)
• M37: 14,970,259 km (0.106 R)
• M38: 15,100,110 km (0.114 R)
• M39: 15,295,784 km (0.063 R)
• M40: 15,492,056 km (0.082 R)
• M41: 15,590,641 km (0.036 R)
• M42: 16,219,401 km (0.064 R)
• M43: 16,924,007 km (0.061 R)
• M44: 17,229,037 km (0.066 R)
• M45: 17,707,152 km (0.055 R)
• M46: 19,027,054 km (0.069 R)
• M47: 19,273,591 km (0.078 R)
• M48: 19,485,871 km (0.075 R)
• M49: 19,734,502 km (0.118 R)
• M50: 19,912,673 km (0.105 R)
• M51: 20,342,468 km (0.086 R)
• M52: 20,993,069 km (0.079 R)
• M53: 21,211,482 km (0.068 R)
• M54: 21,320,988 km (0.11 R)
• M55: 21,430,643 km (0.036 R)
• M56: 22,055,663 km (0.117 R)
• M57: 23,966,626 km (0.112 R)
• M58: 25,115,388 km (0.079 R)
• M59: 25,579,890 km (0.078 R)
• M60: 25,852,158 km (0.079 R)
• M61: 26,008,188 km (0.086 R)
• M62: 26,203,713 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.1

Radius: 12.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.78 AU - 13.4 AU

Year: 14412 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 87,977,517 km

• M1: 172,038 km (0.035 R)
• M2: 327,619 km (0.062 R)
• M3: 507,586 km (0.09 R)
• M4: 877,392 km (0.092 R)
• M5: 957,277 km (0.113 R)
• M6: 1,326,634 km (0.076 R)
• M7: 1,614,011 km (0.091 R)
• M8: 1,869,076 km (0.098 R)
• M9: 2,055,624 km (0.104 R)
• M10: 2,447,571 km (0.049 R)
• M11: 2,564,108 km (0.082 R)
• M12: 2,986,273 km (0.056 R)
• M13: 3,174,168 km (0.092 R)
• M14: 3,430,728 km (0.077 R)
• M15: 3,794,849 km (0.114 R)
• M16: 4,067,566 km (0.111 R)
• M17: 4,241,249 km (0.066 R)
• M18: 4,632,298 km (0.096 R)
• M19: 4,850,561 km (0.084 R)
• M20: 5,072,116 km (0.078 R)
• M21: 5,835,215 km (0.047 R)
• M22: 6,471,604 km (0.1 R)
• M23: 6,922,043 km (0.12 R)
• M24: 8,070,356 km (0.039 R)
• M25: 8,245,535 km (0.076 R)
• M26: 9,645,772 km (0.074 R)
• M27: 9,738,522 km (0.067 R)
• M28: 9,972,044 km (0.118 R)
• M29: 10,444,624 km (0.117 R)
• M30: 11,215,951 km (0.096 R)
• M31: 11,559,128 km (0.056 R)
• M32: 11,955,712 km (0.077 R)
• M33: 12,205,840 km (0.047 R)
• M34: 12,306,370 km (0.045 R)
• M35: 12,457,613 km (0.097 R)
• M36: 13,223,554 km (0.112 R)
• M37: 13,586,329 km (0.045 R)
• M38: 14,321,603 km (0.112 R)
• M39: 15,830,596 km (0.101 R)
• M40: 15,940,401 km (0.103 R)
• M41: 18,015,623 km (0.112 R)
• M42: 18,130,215 km (0.053 R)
• M43: 18,706,915 km (0.103 R)
• M44: 19,700,992 km (0.064 R)
• M45: 20,055,988 km (0.087 R)
• M46: 20,592,296 km (0.108 R)
• M47: 21,254,417 km (0.098 R)
• M48: 21,618,538 km (0.034 R)
• M49: 22,291,280 km (0.086 R)
• M50: 23,532,194 km (0.047 R)
• M51: 25,435,528 km (0.118 R)
• M52: 25,886,715 km (0.034 R)
• M53: 26,405,520 km (0.102 R)
• M54: 26,666,269 km (0.117 R)
• M55: 28,649,039 km (0.049 R)
• M56: 30,200,968 km (0.091 R)
• M57: 30,542,051 km (0.082 R)
• M58: 30,952,847 km (0.059 R)
• M59: 31,572,631 km (0.034 R)
• M60: 31,849,387 km (0.109 R)
• M61: 33,315,745 km (0.061 R)
• M62: 33,950,938 km (0.099 R)
• M63: 36,531,351 km (0.088 R)
• M64: 37,405,452 km (0.071 R)
• M65: 38,065,477 km (0.066 R)
• M66: 38,655,491 km (0.11 R)
• M67: 39,025,746 km (0.107 R)
• M68: 39,174,297 km (0.074 R)
• M69: 39,322,847 km (0.109 R)
• M70: 39,919,294 km (0.056 R)
• M71: 41,121,164 km (0.109 R)
• M72: 43,022,702 km (0.071 R)
• M73: 43,483,314 km (0.103 R)
• M74: 46,359,782 km (0.101 R)
• M75: 47,781,410 km (0.106 R)
• M76: 48,497,535 km (0.104 R)
• M77: 48,976,847 km (0.072 R)
• M78: 49,217,251 km (0.086 R)
• M79: 50,182,307 km (0.119 R)
• M80: 50,910,250 km (0.059 R)
• M81: 51,153,646 km (0.09 R)
• M82: 51,397,340 km (0.091 R)
• M83: 51,723,015 km (0.078 R)
• M84: 52,950,466 km (0.045 R)
• M85: 53,279,431 km (0.061 R)
• M86: 53,939,307 km (0.071 R)
• M87: 54,767,930 km (0.082 R)
• M88: 55,100,636 km (0.107 R)
• M89: 55,600,891 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.3

Radius: 5.5

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.68 AU - 15.68 AU

Year: 17477 Days

Day: 18.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 87,977,517 km

• M1: 134,937 km (0.038 R)
• M2: 229,184 km (0.071 R)
• M3: 601,234 km (0.115 R)
• M4: 768,783 km (0.119 R)
• M5: 904,020 km (0.083 R)
• M6: 1,047,185 km (0.08 R)
• M7: 1,275,471 km (0.049 R)
• M8: 1,463,666 km (0.08 R)
• M9: 1,660,836 km (0.094 R)
• M10: 1,747,902 km (0.104 R)
• M11: 1,926,671 km (0.042 R)
• M12: 2,699,494 km (0.071 R)
• M13: 2,871,382 km (0.102 R)
• M14: 4,132,342 km (0.057 R)
• M15: 4,370,502 km (0.082 R)
• M16: 4,777,558 km (0.116 R)
• M17: 4,943,761 km (0.072 R)
• M18: 5,367,422 km (0.052 R)
• M19: 7,034,241 km (0.069 R)
• M20: 8,643,765 km (0.107 R)
• M21: 9,935,243 km (0.098 R)
• M22: 10,576,420 km (0.07 R)
• M23: 10,901,945 km (0.063 R)
• M24: 10,956,398 km (0.074 R)
• M25: 11,011,151 km (0.082 R)
• M26: 12,236,657 km (0.103 R)
• M27: 12,923,162 km (0.092 R)
• M28: 13,329,320 km (0.101 R)
• M29: 15,545,164 km (0.118 R)
• M30: 16,288,067 km (0.107 R)
• M31: 18,715,442 km (0.113 R)
• M32: 19,240,680 km (0.071 R)
• M33: 19,372,775 km (0.028 R)
• M34: 20,642,412 km (0.078 R)
• M35: 21,526,535 km (0.107 R)
• M36: 21,663,567 km (0.082 R)
• M37: 22,701,178 km (0.062 R)
• M38: 23,684,036 km (0.105 R)
• M39: 25,618,635 km (0.074 R)
• M40: 28,501,087 km (0.084 R)
• M41: 29,180,860 km (0.113 R)
• M42: 30,402,177 km (0.071 R)
• M43: 31,874,220 km (0.097 R)
• M44: 32,108,640 km (0.066 R)
• M45: 35,370,921 km (0.069 R)
• M46: 35,775,882 km (0.11 R)
• M47: 36,101,108 km (0.112 R)
• M48: 36,182,489 km (0.12 R)
• M49: 36,918,062 km (0.08 R)
• M50: 37,082,171 km (0.09 R)
• M51: 38,653,696 km (0.089 R)
• M52: 39,741,273 km (0.116 R)
• M53: 42,891,505 km (0.082 R)
• M54: 43,150,459 km (0.085 R)
• M55: 43,496,478 km (0.054 R)
• M56: 44,802,318 km (0.108 R)
• M57: 46,474,823 km (0.087 R)
• M58: 46,918,380 km (0.09 R)
• M59: 47,809,535 km (0.064 R)
• M60: 48,257,281 km (0.073 R)
• M61: 49,066,606 km (0.06 R)
• M62: 49,971,224 km (0.116 R)
• M63: 51,338,399 km (0.09 R)
• M64: 53,087,647 km (0.062 R)
• M65: 53,551,251 km (0.104 R)
• M66: 53,737,051 km (0.03 R)
• M67: 54,575,846 km (0.084 R)
• M68: 55,043,789 km (0.093 R)
• M69: 55,325,182 km (0.109 R)
• M70: 55,607,025 km (0.07 R)
• M71: 56,455,394 km (0.088 R)
• M72: 56,644,486 km (0.034 R)
• M73: 58,069,555 km (0.081 R)
• M74: 62,904,109 km (0.098 R)
• M75: 63,296,505 km (0.11 R)
• M76: 63,689,648 km (0.066 R)
• M77: 65,766,814 km (0.06 R)
• M78: 66,364,308 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.4

Radius: 5.1

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.82 AU - 22.88 AU

Year: 29892 Days

Day: 20.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 87,977,517 km

• M1: 276,906 km (0.083 R)
• M2: 313,557 km (0.105 R)
• M3: 477,666 km (0.065 R)
• M4: 797,506 km (0.088 R)
• M5: 950,096 km (0.041 R)
• M6: 1,412,054 km (0.038 R)
• M7: 1,614,161 km (0.099 R)
• M8: 2,571,288 km (0.091 R)
• M9: 3,556,989 km (0.083 R)
• M10: 3,693,422 km (0.109 R)
• M11: 4,304,080 km (0.105 R)
• M12: 4,670,595 km (0.041 R)
• M13: 4,996,419 km (0.049 R)
• M14: 5,098,146 km (0.111 R)
• M15: 5,355,305 km (0.117 R)
• M16: 6,900,800 km (0.116 R)
• M17: 7,972,370 km (0.115 R)
• M18: 8,270,817 km (0.066 R)
• M19: 9,219,118 km (0.081 R)
• M20: 9,721,917 km (0.099 R)
• M21: 10,298,018 km (0.113 R)
• M22: 10,721,081 km (0.094 R)
• M23: 11,989,821 km (0.108 R)
• M24: 12,262,986 km (0.11 R)
• M25: 13,340,540 km (0.111 R)
• M26: 13,481,760 km (0.118 R)
• M27: 14,848,187 km (0.063 R)
• M28: 15,141,548 km (0.069 R)
• M29: 16,484,638 km (0.095 R)
• M30: 16,522,486 km (0.104 R)
• M31: 17,017,207 km (0.034 R)
• M32: 18,138,143 km (0.111 R)
• M33: 19,522,522 km (0.1 R)
• M34: 20,940,710 km (0.107 R)
• M35: 21,104,819 km (0.098 R)
• M36: 23,362,550 km (0.102 R)
• M37: 24,046,212 km (0.101 R)
• M38: 25,170,889 km (0.12 R)
• M39: 25,564,182 km (0.108 R)
• M40: 26,845,338 km (0.101 R)
• M41: 28,328,451 km (0.115 R)
• M42: 29,102,919 km (0.107 R)
• M43: 29,240,250 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 6.4

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 18.01 AU - 20.55 AU

Year: 30921 Days

Day: 22.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,977,517 km

• M1: 131,048 km (0.026 R)
• M2: 513,719 km (0.035 R)
• M3: 1,003,951 km (0.114 R)
• M4: 1,152,053 km (0.082 R)
• M5: 2,068,490 km (0.118 R)
• M6: 2,296,327 km (0.118 R)
• M7: 3,330,198 km (0.038 R)
• M8: 3,418,461 km (0.059 R)
• M9: 3,552,351 km (0.102 R)
• M10: 3,642,409 km (0.094 R)
• M11: 3,779,141 km (0.095 R)
• M12: 4,199,511 km (0.033 R)
• M13: 5,547,538 km (0.071 R)
• M14: 6,024,456 km (0.11 R)
• M15: 7,301,872 km (0.114 R)
• M16: 7,532,253 km (0.067 R)
• M17: 7,648,490 km (0.099 R)
• M18: 7,823,819 km (0.098 R)
• M19: 8,118,976 km (0.082 R)
• M20: 8,842,281 km (0.06 R)
• M21: 9,087,921 km (0.051 R)
• M22: 9,149,705 km (0.08 R)
• M23: 9,273,722 km (0.084 R)
• M24: 9,648,913 km (0.063 R)
• M25: 9,901,883 km (0.117 R)
• M26: 10,029,191 km (0.106 R)
• M27: 10,221,125 km (0.095 R)
• M28: 10,804,257 km (0.081 R)
• M29: 11,867,300 km (0.078 R)
• M30: 12,479,903 km (0.069 R)
• M31: 13,312,565 km (0.083 R)
• M32: 14,522,662 km (0.117 R)
• M33: 16,440,357 km (0.117 R)
• M34: 16,970,233 km (0.046 R)
• M35: 17,352,007 km (0.067 R)
• M36: 17,428,750 km (0.082 R)
• M37: 17,968,799 km (0.101 R)
• M38: 18,358,052 km (0.12 R)
• M39: 18,986,513 km (0.103 R)
• M40: 19,144,638 km (0.079 R)
• M41: 19,303,361 km (0.103 R)
• M42: 20,264,378 km (0.102 R)
• M43: 21,900,530 km (0.056 R)
• M44: 22,566,839 km (0.038 R)
• M45: 22,902,387 km (0.06 R)
• M46: 23,408,925 km (0.105 R)
• M47: 23,663,690 km (0.114 R)
• M48: 26,084,334 km (0.081 R)
• M49: 26,260,261 km (0.061 R)
• M50: 28,401,754 km (0.095 R)
• M51: 31,998,985 km (0.071 R)
• M52: 34,572,218 km (0.035 R)
• M53: 37,607,409 km (0.062 R)
• M54: 38,604,628 km (0.111 R)
• M55: 38,905,469 km (0.053 R)
• M56: 40,319,618 km (0.086 R)
• M57: 41,545,124 km (0.116 R)
• M58: 41,853,445 km (0.077 R)
• M59: 42,368,959 km (0.099 R)
• M60: 44,242,224 km (0.085 R)
• M61: 44,662,145 km (0.105 R)
• M62: 47,745,806 km (0.083 R)
• M63: 49,912,282 km (0.102 R)
• M64: 50,568,419 km (0.109 R)
• M65: 50,787,879 km (0.102 R)
• M66: 51,007,488 km (0.105 R)
• M67: 52,554,031 km (0.108 R)
• M68: 53,779,986 km (0.113 R)
• M69: 55,806,289 km (0.115 R)
• M70: 58,316,541 km (0.099 R)
• M71: 59,123,023 km (0.106 R)
• M72: 59,354,152 km (0.049 R)
• M73: 59,933,096 km (0.097 R)
• M74: 62,620,771 km (0.112 R)
• M75: 63,328,369 km (0.052 R)
• M76: 67,749,734 km (0.031 R)
• M77: 68,233,683 km (0.052 R)
• M78: 69,814,484 km (0.06 R)
• M79: 73,880,853 km (0.076 R)
• M80: 74,878,073 km (0.11 R)
• M81: 75,503,691 km (0.112 R)
• M82: 76,760,014 km (0.111 R)
• M83: 77,264,607 km (0.119 R)
• M84: 77,643,688 km (0.074 R)
• M85: 79,293,454 km (0.099 R)
• M86: 81,083,093 km (0.106 R)
• M87: 81,596,812 km (0.041 R)
• M88: 83,015,299 km (0.119 R)
• M89: 83,922,161 km (0.073 R)
• M90: 84,051,863 km (0.113 R)
• M91: 84,181,863 km (0.116 R)
• M92: 85,092,914 km (0.076 R)
• M93: 85,615,011 km (0.05 R)
• M94: 86,400,101 km (0.1 R)
• M95: 87,714,019 km (0.047 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 17,554 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit