🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.51 AU - 0.59 AU

Year: 143 Days

Day: 20.4 Hours

Environment

Temp: 195 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,871,369 km

• M1: 154,385 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.78 AU - 1.06 AU

Year: 309 Days

Day: 36.9 Hours

Environment

Temp: 111 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.1 AU - 1.3 AU

Year: 460 Days

Day: 26.1 Hours

Environment

Temp: 11 °C

Axial Tilt: 15.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 92,871,369 km

• M1: 184,005 km (0.036 R)
• M2: 301,589 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3 AU - 4.24 AU

Year: 2410 Days

Day: 12.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.54 AU - 5.5 AU

Year: 3935 Days

Day: 24 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.1

Radius: 12

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.06 AU - 9.2 AU

Year: 8110 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 92,871,369 km

• M1: 167,849 km (0.097 R)
• M2: 336,296 km (0.065 R)
• M3: 492,925 km (0.098 R)
• M4: 636,539 km (0.085 R)
• M5: 1,052,870 km (0.098 R)
• M6: 1,488,648 km (0.069 R)
• M7: 1,646,025 km (0.041 R)
• M8: 1,747,453 km (0.111 R)
• M9: 1,893,011 km (0.069 R)
• M10: 2,152,115 km (0.076 R)
• M11: 2,609,884 km (0.05 R)
• M12: 2,705,029 km (0.076 R)
• M13: 3,199,001 km (0.067 R)
• M14: 3,275,595 km (0.059 R)
• M15: 3,641,063 km (0.099 R)
• M16: 3,910,339 km (0.057 R)
• M17: 4,241,997 km (0.102 R)
• M18: 4,439,766 km (0.115 R)
• M19: 4,815,256 km (0.109 R)
• M20: 5,658,839 km (0.1 R)
• M21: 6,909,028 km (0.104 R)
• M22: 7,075,381 km (0.091 R)
• M23: 7,310,549 km (0.055 R)
• M24: 7,446,084 km (0.092 R)
• M25: 8,775,261 km (0.111 R)
• M26: 9,028,082 km (0.035 R)
• M27: 9,726,405 km (0.113 R)
• M28: 10,327,938 km (0.112 R)
• M29: 10,633,267 km (0.095 R)
• M30: 10,710,160 km (0.081 R)
• M31: 10,980,484 km (0.096 R)
• M32: 11,058,125 km (0.064 R)
• M33: 11,370,485 km (0.075 R)
• M34: 12,405,852 km (0.081 R)
• M35: 13,388,261 km (0.116 R)
• M36: 14,183,823 km (0.115 R)
• M37: 14,268,495 km (0.062 R)
• M38: 14,438,139 km (0.113 R)
• M39: 15,167,279 km (0.091 R)
• M40: 15,601,712 km (0.117 R)
• M41: 16,216,708 km (0.118 R)
• M42: 16,884,663 km (0.118 R)
• M43: 17,380,131 km (0.108 R)
• M44: 17,470,787 km (0.116 R)
• M45: 17,926,163 km (0.094 R)
• M46: 19,128,631 km (0.109 R)
• M47: 19,409,725 km (0.099 R)
• M48: 20,548,165 km (0.089 R)
• M49: 21,416,132 km (0.071 R)
• M50: 21,952,440 km (0.119 R)
• M51: 22,988,555 km (0.087 R)
• M52: 23,788,754 km (0.119 R)
• M53: 23,889,434 km (0.038 R)
• M54: 24,394,925 km (0.119 R)
• M55: 24,547,215 km (0.068 R)
• M56: 25,006,032 km (0.086 R)
• M57: 26,556,165 km (0.109 R)
• M58: 26,869,872 km (0.102 R)
• M59: 27,237,434 km (0.067 R)
• M60: 27,924,537 km (0.1 R)
• M61: 28,563,918 km (0.116 R)
• M62: 29,100,376 km (0.043 R)
• M63: 30,510,635 km (0.112 R)
• M64: 31,444,874 km (0.065 R)
• M65: 31,665,980 km (0.078 R)
• M66: 32,165,487 km (0.109 R)
• M67: 34,360,088 km (0.073 R)
• M68: 34,587,925 km (0.03 R)
• M69: 34,759,215 km (0.11 R)
• M70: 34,930,654 km (0.119 R)
• M71: 35,849,933 km (0.079 R)
• M72: 37,594,992 km (0.11 R)
• M73: 37,829,861 km (0.049 R)
• M74: 37,947,295 km (0.118 R)
• M75: 38,300,795 km (0.05 R)
• M76: 39,189,107 km (0.063 R)
• M77: 39,486,807 km (0.035 R)
• M78: 39,606,036 km (0.057 R)
• M79: 39,785,255 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.8

Radius: 6.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 11.54 AU - 17.46 AU

Year: 19317 Days

Day: 16.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 92,871,369 km

• M1: 612,154 km (0.09 R)
• M2: 801,845 km (0.071 R)
• M3: 1,476,232 km (0.075 R)
• M4: 1,838,408 km (0.118 R)
• M5: 1,892,263 km (0.054 R)
• M6: 2,256,085 km (0.116 R)
• M7: 3,777,496 km (0.105 R)
• M8: 4,633,345 km (0.117 R)
• M9: 4,931,494 km (0.075 R)
• M10: 5,236,075 km (0.072 R)
• M11: 6,472,651 km (0.086 R)
• M12: 6,722,031 km (0.094 R)
• M13: 6,847,843 km (0.111 R)
• M14: 7,706,983 km (0.119 R)
• M15: 8,782,293 km (0.1 R)
• M16: 8,919,923 km (0.051 R)
• M17: 10,725,120 km (0.12 R)
• M18: 11,769,612 km (0.093 R)
• M19: 11,921,454 km (0.041 R)
• M20: 13,954,041 km (0.1 R)
• M21: 14,007,597 km (0.085 R)
• M22: 14,330,130 km (0.09 R)
• M23: 14,438,139 km (0.032 R)
• M24: 15,037,279 km (0.111 R)
• M25: 15,923,197 km (0.068 R)
• M26: 16,035,246 km (0.046 R)
• M27: 16,372,589 km (0.105 R)
• M28: 18,445,567 km (0.117 R)
• M29: 18,504,359 km (0.083 R)
• M30: 20,477,854 km (0.089 R)
• M31: 20,660,663 km (0.032 R)
• M32: 21,458,618 km (0.053 R)
• M33: 21,644,269 km (0.101 R)
• M34: 22,705,965 km (0.104 R)
• M35: 22,768,946 km (0.1 R)
• M36: 22,895,057 km (0.092 R)
• M37: 23,084,747 km (0.102 R)
• M38: 23,976,649 km (0.091 R)
• M39: 24,620,668 km (0.09 R)
• M40: 25,009,772 km (0.108 R)
• M41: 25,728,440 km (0.112 R)
• M42: 28,874,633 km (0.11 R)
• M43: 30,111,209 km (0.113 R)
• M44: 31,015,229 km (0.114 R)
• M45: 32,920,807 km (0.086 R)
• M46: 33,564,377 km (0.052 R)
• M47: 35,812,833 km (0.109 R)
• M48: 36,033,041 km (0.094 R)
• M49: 36,106,493 km (0.068 R)
• M50: 36,327,300 km (0.067 R)
• M51: 36,400,902 km (0.054 R)
• M52: 37,289,064 km (0.104 R)
• M53: 37,512,264 km (0.099 R)
• M54: 38,334,305 km (0.103 R)
• M55: 39,389,119 km (0.045 R)
• M56: 39,464,816 km (0.096 R)
• M57: 39,540,512 km (0.097 R)
• M58: 42,843,484 km (0.102 R)
• M59: 43,155,246 km (0.082 R)
• M60: 44,725,126 km (0.075 R)
• M61: 45,517,097 km (0.085 R)
• M62: 46,154,085 km (0.088 R)
• M63: 46,233,820 km (0.112 R)
• M64: 46,713,730 km (0.096 R)
• M65: 46,874,099 km (0.108 R)
• M66: 47,678,487 km (0.113 R)
• M67: 50,858,938 km (0.092 R)
• M68: 50,941,366 km (0.119 R)
• M69: 52,183,328 km (0.074 R)
• M70: 53,854,934 km (0.053 R)
• M71: 54,275,603 km (0.101 R)
• M72: 56,309,686 km (0.062 R)
• M73: 56,907,628 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438

Radius: 4.5

Gravity: 21.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 15.57 AU - 19.37 AU

Year: 25546 Days

Day: 16.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 92,871,369 km

• M1: 242,199 km (0.101 R)
• M2: 274,063 km (0.054 R)
• M3: 360,830 km (0.057 R)
• M4: 417,228 km (0.118 R)
• M5: 604,824 km (0.106 R)
• M6: 1,217,727 km (0.113 R)
• M7: 1,671,607 km (0.107 R)
• M8: 1,703,621 km (0.114 R)
• M9: 1,833,621 km (0.116 R)
• M10: 2,172,759 km (0.071 R)
• M11: 3,796,196 km (0.065 R)
• M12: 4,491,078 km (0.108 R)
• M13: 4,761,700 km (0.035 R)
• M14: 4,898,881 km (0.12 R)
• M15: 4,991,183 km (0.088 R)
• M16: 5,413,349 km (0.099 R)
• M17: 5,993,938 km (0.087 R)
• M18: 6,798,475 km (0.112 R)
• M19: 7,423,794 km (0.042 R)
• M20: 7,636,373 km (0.035 R)
• M21: 8,013,060 km (0.08 R)
• M22: 8,067,364 km (0.104 R)
• M23: 8,231,174 km (0.101 R)
• M24: 8,506,285 km (0.085 R)
• M25: 8,840,636 km (0.084 R)
• M26: 9,522,054 km (0.12 R)
• M27: 10,279,019 km (0.11 R)
• M28: 12,726,740 km (0.116 R)
• M29: 13,753,879 km (0.042 R)
• M30: 13,884,178 km (0.077 R)
• M31: 14,277,322 km (0.116 R)
• M32: 15,818,180 km (0.054 R)
• M33: 16,920,866 km (0.101 R)
• M34: 17,060,440 km (0.09 R)
• M35: 17,270,476 km (0.036 R)
• M36: 17,340,787 km (0.047 R)
• M37: 18,333,668 km (0.106 R)
• M38: 18,692,703 km (0.04 R)
• M39: 18,909,320 km (0.088 R)
• M40: 20,820,732 km (0.077 R)
• M41: 21,421,218 km (0.112 R)
• M42: 21,875,248 km (0.069 R)
• M43: 23,957,351 km (0.096 R)
• M44: 24,349,746 km (0.118 R)
• M45: 25,220,705 km (0.117 R)
• M46: 25,380,027 km (0.064 R)
• M47: 25,780,201 km (0.096 R)
• M48: 26,101,687 km (0.089 R)
• M49: 26,182,320 km (0.111 R)
• M50: 27,976,148 km (0.059 R)
• M51: 28,472,364 km (0.065 R)
• M52: 29,138,374 km (0.12 R)
• M53: 33,941,662 km (0.065 R)
• M54: 34,205,703 km (0.082 R)
• M55: 35,358,354 km (0.082 R)
• M56: 36,343,456 km (0.072 R)
• M57: 36,613,630 km (0.094 R)
• M58: 37,428,340 km (0.052 R)
• M59: 38,432,291 km (0.076 R)
• M60: 39,075,712 km (0.102 R)
• M61: 40,001,124 km (0.084 R)
• M62: 40,466,374 km (0.119 R)
• M63: 40,933,568 km (0.087 R)
• M64: 44,542,018 km (0.077 R)
• M65: 44,638,359 km (0.099 R)
• M66: 45,508,420 km (0.105 R)
• M67: 45,994,165 km (0.089 R)
• M68: 46,091,553 km (0.099 R)
• M69: 46,188,941 km (0.11 R)
• M70: 46,481,554 km (0.103 R)
• M71: 49,442,395 km (0.069 R)
• M72: 51,753,084 km (0.103 R)
• M73: 53,074,781 km (0.07 R)
• M74: 55,751,087 km (0.071 R)
• M75: 57,315,133 km (0.112 R)
• M76: 58,682,158 km (0.06 R)
• M77: 59,741,012 km (0.078 R)
• M78: 60,272,683 km (0.103 R)
• M79: 61,233,999 km (0.089 R)
• M80: 61,662,746 km (0.104 R)
• M81: 64,474,289 km (0.097 R)
• M82: 65,676,308 km (0.119 R)
• M83: 66,115,228 km (0.03 R)
• M84: 68,657,943 km (0.067 R)
• M85: 69,438,096 km (0.116 R)
• M86: 70,109,192 km (0.073 R)
• M87: 72,814,968 km (0.077 R)
• M88: 73,496,686 km (0.03 R)
• M89: 73,952,361 km (0.096 R)
• M90: 75,325,071 km (0.089 R)
• M91: 75,439,813 km (0.089 R)
• M92: 76,129,608 km (0.109 R)
• M93: 76,706,009 km (0.103 R)
• M94: 77,168,266 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.3

Radius: 4.9

Gravity: 21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 17.97 AU - 22.15 AU

Year: 31432 Days

Day: 15.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 92,871,369 km

• M1: 104,120 km (0.064 R)
• M2: 303,983 km (0.118 R)
• M3: 449,990 km (0.066 R)
• M4: 543,190 km (0.059 R)
• M5: 748,438 km (0.1 R)
• M6: 831,465 km (0.112 R)
• M7: 976,575 km (0.063 R)
• M8: 1,037,012 km (0.062 R)
• M9: 1,706,613 km (0.032 R)
• M10: 2,280,171 km (0.041 R)
• M11: 2,442,634 km (0.042 R)
• M12: 3,128,989 km (0.097 R)
• M13: 3,400,808 km (0.066 R)
• M14: 3,967,336 km (0.1 R)
• M15: 4,361,077 km (0.101 R)
• M16: 5,027,236 km (0.073 R)
• M17: 5,398,838 km (0.092 R)
• M18: 6,623,745 km (0.053 R)
• M19: 7,030,801 km (0.111 R)
• M20: 7,445,935 km (0.096 R)
• M21: 8,362,222 km (0.032 R)
• M22: 9,637,992 km (0.106 R)
• M23: 10,098,604 km (0.106 R)
• M24: 10,566,546 km (0.113 R)
• M25: 10,769,252 km (0.109 R)
• M26: 10,905,086 km (0.103 R)
• M27: 10,973,153 km (0.062 R)
• M28: 11,109,886 km (0.119 R)
• M29: 11,247,067 km (0.093 R)
• M30: 12,721,803 km (0.067 R)
• M31: 13,885,674 km (0.048 R)
• M32: 13,959,576 km (0.073 R)
• M33: 14,705,321 km (0.072 R)
• M34: 14,855,966 km (0.076 R)
• M35: 15,159,051 km (0.079 R)
• M36: 15,387,637 km (0.104 R)
• M37: 16,157,617 km (0.087 R)
• M38: 16,704,098 km (0.113 R)
• M39: 19,278,528 km (0.042 R)
• M40: 20,191,524 km (0.056 R)
• M41: 21,715,777 km (0.084 R)
• M42: 21,973,384 km (0.025 R)
• M43: 23,540,272 km (0.085 R)
• M44: 23,628,385 km (0.119 R)
• M45: 25,413,387 km (0.038 R)
• M46: 27,148,872 km (0.029 R)
• M47: 27,426,376 km (0.064 R)
• M48: 27,891,027 km (0.102 R)
• M49: 28,639,764 km (0.077 R)
• M50: 29,680,068 km (0.057 R)
• M51: 30,252,729 km (0.076 R)
• M52: 33,764,389 km (0.051 R)
• M53: 35,972,902 km (0.092 R)
• M54: 36,074,330 km (0.083 R)
• M55: 36,175,907 km (0.076 R)
• M56: 38,331,163 km (0.064 R)
• M57: 39,372,065 km (0.051 R)
• M58: 39,476,634 km (0.05 R)
• M59: 40,950,772 km (0.08 R)
• M60: 41,907,749 km (0.049 R)
• M61: 43,195,338 km (0.112 R)
• M62: 43,627,377 km (0.099 R)
• M63: 45,369,893 km (0.104 R)
• M64: 49,260,185 km (0.091 R)
• M65: 49,937,714 km (0.062 R)
• M66: 52,678,796 km (0.112 R)
• M67: 54,299,988 km (0.095 R)
• M68: 54,999,956 km (0.085 R)
• M69: 56,290,687 km (0.107 R)
• M70: 56,644,486 km (0.112 R)
• M71: 61,310,144 km (0.058 R)
• M72: 64,735,038 km (0.101 R)
• M73: 65,973,259 km (0.06 R)
• M74: 66,346,207 km (0.086 R)
• M75: 66,719,902 km (0.086 R)
• M76: 67,469,238 km (0.082 R)
• M77: 68,347,228 km (0.05 R)
• M78: 68,472,890 km (0.096 R)
• M79: 69,102,697 km (0.116 R)
• M80: 71,003,338 km (0.116 R)
• M81: 72,792,828 km (0.108 R)
• M82: 73,693,108 km (0.109 R)
• M83: 74,209,221 km (0.072 R)
• M84: 75,504,888 km (0.118 R)
• M85: 76,285,789 km (0.112 R)
• M86: 80,097,692 km (0.074 R)
• M87: 81,559,712 km (0.066 R)
• M88: 87,086,156 km (0.042 R)
• M89: 89,412,852 km (0.119 R)
• M90: 90,238,932 km (0.119 R)
• M91: 91,621,216 km (0.108 R)
• M92: 92,176,224 km (0.083 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 16,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit