🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 140 Days

Day: 29.3 Hours

Environment

Temp: 208 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,435,492 km

• M1: 169,943 km (0.113 R)
• M2: 247,584 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.55 AU - 0.73 AU

Year: 185 Days

Day: 36.3 Hours

Environment

Temp: 227 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,435,492 km

• M1: 95,892 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.77 AU

Year: 207 Days

Day: 13.4 Hours

Environment

Temp: 122 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.07 AU - 1.47 AU

Year: 518 Days

Day: 37.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.71 AU - 3.31 AU

Year: 1889 Days

Day: 34.3 Hours

Environment

Temp: -101 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,435,492 km

• M1: 642,224 km (0.06 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 11.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.14 AU - 6.6 AU

Year: 5814 Days

Day: 9.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 48,435,492 km

• M1: 168,746 km (0.1 R)
• M2: 631,602 km (0.079 R)
• M3: 937,081 km (0.098 R)
• M4: 1,091,616 km (0.114 R)
• M5: 1,188,555 km (0.093 R)
• M6: 1,570,179 km (0.106 R)
• M7: 1,969,755 km (0.067 R)
• M8: 2,049,640 km (0.097 R)
• M9: 2,233,197 km (0.077 R)
• M10: 2,358,710 km (0.111 R)
• M11: 2,529,850 km (0.072 R)
• M12: 2,616,916 km (0.115 R)
• M13: 2,727,319 km (0.088 R)
• M14: 2,884,546 km (0.107 R)
• M15: 3,137,815 km (0.075 R)
• M16: 3,279,036 km (0.119 R)
• M17: 3,470,671 km (0.106 R)
• M18: 4,016,852 km (0.099 R)
• M19: 4,170,639 km (0.09 R)
• M20: 4,431,239 km (0.094 R)
• M21: 4,751,079 km (0.112 R)
• M22: 4,913,841 km (0.109 R)
• M23: 5,133,750 km (0.088 R)
• M24: 5,813,074 km (0.101 R)
• M25: 6,045,848 km (0.086 R)
• M26: 7,100,364 km (0.071 R)
• M27: 8,016,800 km (0.058 R)
• M28: 8,243,591 km (0.068 R)
• M29: 8,770,026 km (0.069 R)
• M30: 8,936,827 km (0.099 R)
• M31: 9,683,021 km (0.109 R)
• M32: 9,786,394 km (0.069 R)
• M33: 10,098,604 km (0.048 R)
• M34: 10,697,295 km (0.046 R)
• M35: 10,804,108 km (0.106 R)
• M36: 10,911,369 km (0.119 R)
• M37: 11,126,940 km (0.111 R)
• M38: 11,525,618 km (0.097 R)
• M39: 11,635,274 km (0.118 R)
• M40: 11,966,034 km (0.051 R)
• M41: 12,411,986 km (0.056 R)
• M42: 13,205,453 km (0.113 R)
• M43: 13,704,960 km (0.06 R)
• M44: 14,367,529 km (0.071 R)
• M45: 14,920,892 km (0.044 R)
• M46: 15,080,363 km (0.078 R)
• M47: 16,664,156 km (0.095 R)
• M48: 16,954,076 km (0.049 R)
• M49: 17,664,965 km (0.07 R)
• M50: 18,300,457 km (0.058 R)
• M51: 18,857,260 km (0.093 R)
• M52: 20,295,494 km (0.114 R)
• M53: 20,960,756 km (0.034 R)
• M54: 21,050,066 km (0.053 R)
• M55: 21,723,556 km (0.025 R)
• M56: 22,131,060 km (0.113 R)
• M57: 22,312,971 km (0.09 R)
• M58: 22,495,481 km (0.104 R)
• M59: 23,879,411 km (0.084 R)
• M60: 24,253,106 km (0.109 R)
• M61: 24,534,649 km (0.073 R)
• M62: 24,817,389 km (0.116 R)
• M63: 24,911,785 km (0.097 R)
• M64: 25,006,331 km (0.061 R)
• M65: 27,165,926 km (0.095 R)
• M66: 28,193,963 km (0.118 R)
• M67: 28,391,282 km (0.09 R)
• M68: 29,135,083 km (0.066 R)
• M69: 29,334,646 km (0.111 R)
• M70: 29,584,475 km (0.098 R)
• M71: 30,591,418 km (0.098 R)
• M72: 31,150,017 km (0.118 R)
• M73: 31,302,906 km (0.085 R)
• M74: 32,277,237 km (0.111 R)
• M75: 32,794,097 km (0.042 R)
• M76: 33,053,500 km (0.117 R)
• M77: 33,888,406 km (0.07 R)
• M78: 34,624,427 km (0.118 R)
• M79: 34,782,851 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 10.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.36 AU - 12.5 AU

Year: 13068 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 82 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 48,435,492 km

• M1: 148,999 km (0.111 R)
• M2: 527,781 km (0.109 R)
• M3: 754,272 km (0.111 R)
• M4: 820,096 km (0.079 R)
• M5: 940,522 km (0.086 R)
• M6: 1,419,983 km (0.028 R)
• M7: 1,653,356 km (0.072 R)
• M8: 2,205,073 km (0.115 R)
• M9: 2,680,345 km (0.084 R)
• M10: 3,051,049 km (0.096 R)
• M11: 3,242,534 km (0.05 R)
• M12: 3,551,453 km (0.118 R)
• M13: 4,349,857 km (0.067 R)
• M14: 4,442,010 km (0.117 R)
• M15: 4,848,766 km (0.092 R)
• M16: 5,333,014 km (0.084 R)
• M17: 5,431,599 km (0.111 R)
• M18: 5,731,543 km (0.054 R)
• M19: 6,002,615 km (0.065 R)
• M20: 6,487,162 km (0.092 R)
• M21: 6,734,298 km (0.111 R)
• M22: 8,091,001 km (0.073 R)
• M23: 8,166,697 km (0.108 R)
• M24: 8,664,709 km (0.092 R)
• M25: 8,858,887 km (0.102 R)
• M26: 9,015,216 km (0.111 R)
• M27: 9,449,948 km (0.069 R)
• M28: 9,569,776 km (0.105 R)
• M29: 10,094,565 km (0.085 R)
• M30: 10,878,458 km (0.101 R)
• M31: 11,511,107 km (0.118 R)
• M32: 11,939,556 km (0.11 R)
• M33: 12,679,916 km (0.096 R)
• M34: 12,812,160 km (0.102 R)
• M35: 12,900,572 km (0.028 R)
• M36: 13,480,115 km (0.029 R)
• M37: 14,068,034 km (0.098 R)
• M38: 14,159,289 km (0.066 R)
• M39: 14,388,174 km (0.093 R)
• M40: 14,618,255 km (0.098 R)
• M41: 14,989,108 km (0.062 R)
• M42: 16,840,382 km (0.048 R)
• M43: 17,965,807 km (0.105 R)
• M44: 18,612,668 km (0.064 R)
• M45: 18,763,014 km (0.062 R)
• M46: 20,082,766 km (0.119 R)
• M47: 20,805,922 km (0.057 R)
• M48: 21,118,432 km (0.097 R)
• M49: 23,619,709 km (0.068 R)
• M50: 24,273,302 km (0.093 R)
• M51: 24,382,807 km (0.109 R)
• M52: 25,598,140 km (0.108 R)
• M53: 25,709,591 km (0.116 R)
• M54: 26,213,137 km (0.068 R)
• M55: 28,663,999 km (0.101 R)
• M56: 29,244,289 km (0.102 R)
• M57: 29,419,169 km (0.097 R)
• M58: 30,004,546 km (0.098 R)
• M59: 33,414,330 km (0.067 R)
• M60: 34,454,783 km (0.106 R)
• M61: 35,009,941 km (0.064 R)
• M62: 36,066,551 km (0.106 R)
• M63: 36,442,041 km (0.096 R)
• M64: 38,402,372 km (0.116 R)
• M65: 38,977,875 km (0.119 R)
• M66: 40,008,155 km (0.111 R)
• M67: 40,137,558 km (0.111 R)
• M68: 42,556,705 km (0.089 R)
• M69: 42,754,922 km (0.116 R)
• M70: 42,821,044 km (0.092 R)
• M71: 43,085,982 km (0.038 R)
• M72: 43,218,675 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 9.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 10.18 AU - 11.92 AU

Year: 13284 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 48,435,492 km

• M1: 133,890 km (0.094 R)
• M2: 365,468 km (0.1 R)
• M3: 625,170 km (0.047 R)
• M4: 986,897 km (0.102 R)
• M5: 1,105,079 km (0.029 R)
• M6: 1,681,630 km (0.118 R)
• M7: 1,941,930 km (0.106 R)
• M8: 2,309,193 km (0.113 R)
• M9: 2,468,664 km (0.096 R)
• M10: 3,320,175 km (0.06 R)
• M11: 3,464,537 km (0.12 R)
• M12: 3,759,245 km (0.046 R)
• M13: 3,909,591 km (0.03 R)
• M14: 4,571,262 km (0.067 R)
• M15: 5,100,689 km (0.108 R)
• M16: 5,822,200 km (0.072 R)
• M17: 7,172,320 km (0.095 R)
• M18: 8,075,592 km (0.116 R)
• M19: 8,319,287 km (0.099 R)
• M20: 11,591,441 km (0.102 R)
• M21: 11,976,955 km (0.032 R)
• M22: 12,422,906 km (0.079 R)
• M23: 12,817,546 km (0.106 R)
• M24: 12,931,090 km (0.06 R)
• M25: 13,159,078 km (0.106 R)
• M26: 13,503,601 km (0.101 R)
• M27: 14,084,490 km (0.107 R)
• M28: 14,201,625 km (0.064 R)
• M29: 14,319,059 km (0.094 R)
• M30: 14,554,975 km (0.117 R)
• M31: 15,572,091 km (0.115 R)
• M32: 16,488,528 km (0.079 R)
• M33: 16,550,312 km (0.112 R)
• M34: 17,422,467 km (0.057 R)
• M35: 17,864,080 km (0.114 R)
• M36: 18,694,049 km (0.111 R)
• M37: 19,929,728 km (0.097 R)
• M38: 22,206,009 km (0.085 R)
• M39: 24,141,656 km (0.103 R)
• M40: 24,211,817 km (0.093 R)
• M41: 24,352,289 km (0.12 R)
• M42: 24,422,600 km (0.048 R)
• M43: 24,775,352 km (0.107 R)
• M44: 25,200,809 km (0.113 R)
• M45: 26,058,902 km (0.099 R)
• M46: 26,781,310 km (0.059 R)
• M47: 26,853,865 km (0.118 R)
• M48: 27,510,300 km (0.066 R)
• M49: 28,098,220 km (0.058 R)
• M50: 28,171,972 km (0.097 R)
• M51: 28,838,879 km (0.115 R)
• M52: 28,913,379 km (0.113 R)
• M53: 29,211,677 km (0.058 R)
• M54: 29,361,275 km (0.049 R)
• M55: 31,481,675 km (0.08 R)
• M56: 32,405,442 km (0.099 R)
• M57: 32,715,259 km (0.072 R)
• M58: 34,674,393 km (0.116 R)
• M59: 35,788,149 km (0.111 R)
• M60: 35,868,034 km (0.088 R)
• M61: 36,108,438 km (0.097 R)
• M62: 36,671,375 km (0.048 R)
• M63: 36,752,008 km (0.091 R)
• M64: 36,832,641 km (0.105 R)
• M65: 36,994,357 km (0.086 R)
• M66: 37,724,394 km (0.097 R)
• M67: 38,951,845 km (0.078 R)
• M68: 40,692,117 km (0.117 R)
• M69: 41,194,018 km (0.112 R)
• M70: 41,361,717 km (0.106 R)
• M71: 43,819,610 km (0.11 R)
• M72: 44,850,339 km (0.086 R)
• M73: 45,368,845 km (0.116 R)
• M74: 45,715,464 km (0.082 R)
• M75: 46,760,854 km (0.053 R)
• M76: 48,343,749 km (0.087 R)
• M77: 53,745,279 km (0.06 R)
• M78: 53,836,983 km (0.116 R)
• M79: 55,402,674 km (0.115 R)
• M80: 55,680,627 km (0.103 R)
• M81: 55,773,228 km (0.089 R)
• M82: 57,638,564 km (0.102 R)
• M83: 59,429,400 km (0.084 R)
• M84: 59,524,245 km (0.095 R)
• M85: 60,569,934 km (0.064 R)
• M86: 62,294,199 km (0.076 R)
• M87: 62,969,035 km (0.041 R)
• M88: 63,646,414 km (0.072 R)
• M89: 65,105,891 km (0.115 R)
• M90: 65,203,578 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 14.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.32 AU - 11.88 AU

Year: 14288 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 48,435,492 km

• M1: 183,407 km (0.075 R)
• M2: 594,502 km (0.078 R)
• M3: 1,312,273 km (0.066 R)
• M4: 1,614,460 km (0.112 R)
• M5: 1,751,043 km (0.091 R)
• M6: 2,012,091 km (0.082 R)
• M7: 2,185,026 km (0.094 R)
• M8: 2,652,969 km (0.118 R)
• M9: 2,788,654 km (0.047 R)
• M10: 3,067,056 km (0.087 R)
• M11: 3,354,732 km (0.055 R)
• M12: 3,501,937 km (0.086 R)
• M13: 3,621,316 km (0.113 R)
• M14: 4,050,063 km (0.088 R)
• M15: 4,175,576 km (0.03 R)
• M16: 4,334,449 km (0.118 R)
• M17: 4,592,804 km (0.113 R)
• M18: 5,398,090 km (0.117 R)
• M19: 5,746,802 km (0.057 R)
• M20: 6,247,357 km (0.093 R)
• M21: 6,949,270 km (0.111 R)
• M22: 7,598,674 km (0.074 R)
• M23: 7,950,379 km (0.116 R)
• M24: 8,710,486 km (0.053 R)
• M25: 8,832,707 km (0.067 R)
• M26: 8,955,377 km (0.079 R)
• M27: 9,285,540 km (0.096 R)
• M28: 9,410,304 km (0.062 R)
• M29: 10,299,963 km (0.106 R)
• M30: 11,216,400 km (0.089 R)
• M31: 11,932,225 km (0.082 R)
• M32: 12,204,493 km (0.1 R)
• M33: 13,454,982 km (0.094 R)
• M34: 13,881,037 km (0.064 R)
• M35: 14,263,409 km (0.115 R)
• M36: 14,940,938 km (0.069 R)
• M37: 15,136,313 km (0.032 R)
• M38: 15,628,938 km (0.106 R)
• M39: 16,026,719 km (0.086 R)
• M40: 16,427,941 km (0.068 R)
• M41: 16,528,770 km (0.104 R)
• M42: 17,035,906 km (0.098 R)
• M43: 17,599,890 km (0.102 R)
• M44: 20,891,193 km (0.038 R)
• M45: 21,055,152 km (0.032 R)
• M46: 21,274,463 km (0.089 R)
• M47: 21,384,567 km (0.068 R)
• M48: 22,159,633 km (0.106 R)
• M49: 22,662,731 km (0.082 R)
• M50: 23,680,296 km (0.108 R)
• M51: 24,886,354 km (0.102 R)
• M52: 25,002,292 km (0.114 R)
• M53: 26,703,070 km (0.066 R)
• M54: 26,881,092 km (0.05 R)
• M55: 27,000,022 km (0.108 R)
• M56: 28,926,843 km (0.068 R)
• M57: 29,538,100 km (0.087 R)
• M58: 30,030,127 km (0.066 R)
• M59: 30,339,047 km (0.118 R)
• M60: 32,214,555 km (0.103 R)
• M61: 32,657,664 km (0.095 R)
• M62: 34,449,846 km (0.052 R)
• M63: 34,967,904 km (0.119 R)
• M64: 36,011,499 km (0.053 R)
• M65: 37,995,765 km (0.059 R)
• M66: 38,530,876 km (0.094 R)
• M67: 40,423,439 km (0.072 R)
• M68: 40,901,404 km (0.081 R)
• M69: 41,106,802 km (0.109 R)
• M70: 41,862,720 km (0.116 R)
• M71: 43,040,205 km (0.088 R)
• M72: 44,509,555 km (0.118 R)
• M73: 44,861,858 km (0.094 R)
• M74: 45,569,307 km (0.062 R)
• M75: 46,422,912 km (0.068 R)
• M76: 46,637,286 km (0.085 R)
• M77: 47,425,667 km (0.112 R)
• M78: 48,146,280 km (0.081 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit