🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 9.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.77 AU - 1.05 AU

Year: 552 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,850,249 km

• M1: 122,072 km (0.087 R)
• M2: 487,988 km (0.051 R)
• M3: 810,671 km (0.113 R)
• M4: 1,288,486 km (0.095 R)
• M5: 2,003,863 km (0.082 R)
• M6: 2,391,172 km (0.077 R)
• M7: 2,787,457 km (0.051 R)
• M8: 3,104,904 km (0.077 R)
• M9: 3,851,547 km (0.117 R)
• M10: 4,384,863 km (0.046 R)
• M11: 4,951,540 km (0.079 R)
• M12: 5,292,324 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 14

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.98 AU - 1.32 AU

Year: 784 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,850,249 km

• M1: 174,431 km (0.093 R)
• M2: 654,491 km (0.084 R)
• M3: 1,106,127 km (0.11 R)
• M4: 1,555,369 km (0.06 R)
• M5: 2,689,471 km (0.12 R)
• M6: 3,212,614 km (0.089 R)
• M7: 3,955,069 km (0.091 R)
• M8: 4,534,162 km (0.066 R)
• M9: 5,337,502 km (0.067 R)
• M10: 5,924,375 km (0.119 R)
• M11: 6,663,538 km (0.072 R)
• M12: 7,776,397 km (0.074 R)
• M13: 9,392,951 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 15

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.06 AU - 1.46 AU

Year: 899 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,850,249 km

• M1: 186,549 km (0.037 R)
• M2: 690,245 km (0.079 R)
• M3: 1,200,224 km (0.111 R)
• M4: 1,689,409 km (0.1 R)
• M5: 2,466,719 km (0.104 R)
• M6: 3,003,776 km (0.079 R)
• M7: 3,721,995 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 13.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.42 AU - 1.56 AU

Year: 1156 Days

Day: 8 Hours

Environment

Temp: -181 °C

Axial Tilt: 151.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,850,249 km

• M1: 170,392 km (0.112 R)
• M2: 622,178 km (0.095 R)
• M3: 1,142,479 km (0.06 R)
• M4: 2,161,240 km (0.073 R)
• M5: 3,314,341 km (0.085 R)
• M6: 4,176,473 km (0.111 R)
• M7: 4,651,596 km (0.04 R)
• M8: 5,866,032 km (0.069 R)
• M9: 6,977,095 km (0.091 R)
• M10: 7,649,538 km (0.091 R)
• M11: 8,167,894 km (0.119 R)
• M12: 9,154,492 km (0.087 R)
• M13: 10,415,153 km (0.111 R)
• M14: 11,260,082 km (0.11 R)
• M15: 11,932,375 km (0.039 R)
• M16: 12,481,848 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.8

Radius: 14.6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.71 AU - 2.31 AU

Year: 1812 Days

Day: 6.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,850,249 km

• M1: 184,155 km (0.108 R)
• M2: 740,360 km (0.109 R)
• M3: 1,214,585 km (0.104 R)
• M4: 1,716,935 km (0.107 R)
• M5: 2,431,863 km (0.083 R)
• M6: 2,991,060 km (0.094 R)
• M7: 3,509,267 km (0.087 R)
• M8: 4,595,497 km (0.105 R)
• M9: 5,105,027 km (0.064 R)
• M10: 6,192,454 km (0.099 R)
• M11: 7,695,165 km (0.12 R)
• M12: 10,588,388 km (0.111 R)
• M13: 11,696,310 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 15

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.33 AU - 4.11 AU

Year: 4562 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,850,249 km

• M1: 186,549 km (0.052 R)
• M2: 1,037,910 km (0.118 R)
• M3: 1,643,033 km (0.046 R)
• M4: 2,200,136 km (0.066 R)
• M5: 3,487,426 km (0.038 R)
• M6: 4,134,586 km (0.112 R)
• M7: 5,231,737 km (0.076 R)
• M8: 7,381,309 km (0.098 R)
• M9: 8,290,116 km (0.057 R)
• M10: 9,449,350 km (0.042 R)
• M11: 10,368,928 km (0.099 R)
• M12: 11,226,722 km (0.115 R)
• M13: 12,301,134 km (0.108 R)
• M14: 15,584,957 km (0.091 R)
• M15: 16,192,773 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.6

Radius: 6

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.14 AU - 6.26 AU

Year: 9816 Days

Day: 23.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,850,249 km

• M1: 75,098 km (0.109 R)
• M2: 387,010 km (0.088 R)
• M3: 766,689 km (0.1 R)
• M4: 1,101,489 km (0.09 R)
• M5: 1,571,376 km (0.045 R)
• M6: 2,495,891 km (0.076 R)
• M7: 2,693,210 km (0.108 R)
• M8: 3,008,862 km (0.108 R)
• M9: 3,564,917 km (0.083 R)
• M10: 4,729,088 km (0.076 R)
• M11: 5,780,013 km (0.11 R)
• M12: 7,291,999 km (0.088 R)
• M13: 7,990,022 km (0.107 R)
• M14: 8,377,032 km (0.046 R)
• M15: 9,235,275 km (0.116 R)
• M16: 9,613,608 km (0.116 R)
• M17: 11,553,593 km (0.093 R)
• M18: 12,557,694 km (0.077 R)
• M19: 12,788,524 km (0.104 R)
• M20: 13,985,307 km (0.103 R)
• M21: 15,059,718 km (0.115 R)
• M22: 15,517,787 km (0.092 R)
• M23: 15,850,493 km (0.094 R)
• M24: 16,392,935 km (0.102 R)
• M25: 18,686,868 km (0.113 R)
• M26: 19,291,992 km (0.104 R)
• M27: 23,461,284 km (0.065 R)
• M28: 28,391,282 km (0.091 R)
• M29: 32,756,548 km (0.115 R)
• M30: 34,193,436 km (0.111 R)
• M31: 34,870,516 km (0.054 R)
• M32: 35,556,422 km (0.048 R)
• M33: 35,787,102 km (0.057 R)
• M34: 36,368,140 km (0.1 R)
• M35: 36,719,695 km (0.059 R)
• M36: 43,838,609 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.6

Radius: 5.8

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.96 AU - 7.24 AU

Year: 12029 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,850,249 km

• M1: 72,405 km (0.112 R)
• M2: 474,225 km (0.101 R)
• M3: 709,393 km (0.071 R)
• M4: 1,204,263 km (0.104 R)
• M5: 1,449,903 km (0.069 R)
• M6: 1,990,549 km (0.114 R)
• M7: 2,355,119 km (0.105 R)
• M8: 3,075,882 km (0.11 R)
• M9: 3,289,208 km (0.104 R)
• M10: 3,772,260 km (0.105 R)
• M11: 5,103,980 km (0.082 R)
• M12: 5,821,900 km (0.043 R)
• M13: 9,324,585 km (0.094 R)
• M14: 9,672,101 km (0.038 R)
• M15: 11,597,575 km (0.082 R)
• M16: 12,057,738 km (0.081 R)
• M17: 12,410,939 km (0.107 R)
• M18: 12,953,380 km (0.1 R)
• M19: 13,448,699 km (0.096 R)
• M20: 14,876,162 km (0.069 R)
• M21: 16,545,375 km (0.075 R)
• M22: 17,425,010 km (0.05 R)
• M23: 21,772,175 km (0.096 R)
• M24: 22,827,588 km (0.094 R)
• M25: 23,458,891 km (0.096 R)
• M26: 26,790,585 km (0.05 R)
• M27: 27,899,554 km (0.075 R)
• M28: 30,424,617 km (0.05 R)
• M29: 34,374,150 km (0.097 R)
• M30: 37,271,412 km (0.103 R)
• M31: 42,590,364 km (0.036 R)
• M32: 44,796,334 km (0.066 R)
• M33: 46,213,026 km (0.075 R)
• M34: 47,952,251 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.9

Radius: 6.6

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.85 AU - 10.39 AU

Year: 18971 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,850,249 km

• M1: 82,129 km (0.075 R)
• M2: 309,368 km (0.075 R)
• M3: 601,383 km (0.082 R)
• M4: 942,467 km (0.081 R)
• M5: 1,205,160 km (0.073 R)
• M6: 1,484,908 km (0.074 R)
• M7: 1,918,742 km (0.093 R)
• M8: 2,570,391 km (0.105 R)
• M9: 2,909,379 km (0.09 R)
• M10: 3,169,380 km (0.065 R)
• M11: 4,107,509 km (0.028 R)
• M12: 5,447,756 km (0.103 R)
• M13: 6,828,694 km (0.036 R)
• M14: 9,680,927 km (0.11 R)
• M15: 11,241,083 km (0.1 R)
• M16: 13,101,183 km (0.075 R)
• M17: 14,775,183 km (0.089 R)
• M18: 16,100,620 km (0.063 R)
• M19: 18,104,334 km (0.104 R)
• M20: 21,218,962 km (0.114 R)
• M21: 23,517,384 km (0.071 R)
• M22: 24,460,299 km (0.094 R)
• M23: 25,102,672 km (0.109 R)
• M24: 27,097,560 km (0.101 R)
• M25: 28,484,631 km (0.097 R)
• M26: 33,319,186 km (0.1 R)
• M27: 35,587,688 km (0.028 R)
• M28: 41,176,664 km (0.113 R)
• M29: 41,478,104 km (0.033 R)
• M30: 46,340,484 km (0.038 R)
• M31: 47,323,491 km (0.113 R)
• M32: 52,624,941 km (0.036 R)
• M33: 52,979,936 km (0.029 R)
• M34: 53,694,865 km (0.095 R)
• M35: 58,879,628 km (0.089 R)
• M36: 65,612,130 km (0.12 R)
• M37: 68,527,194 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.3

Radius: 3.5

Gravity: 30.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.8 AU - 10.62 AU

Year: 20743 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,850,249 km

• M1: 43,832 km (0.102 R)
• M2: 651,499 km (0.069 R)
• M3: 770,279 km (0.067 R)
• M4: 1,126,622 km (0.08 R)
• M5: 1,429,258 km (0.062 R)
• M6: 2,755,892 km (0.108 R)
• M7: 3,146,193 km (0.088 R)
• M8: 4,313,655 km (0.117 R)
• M9: 5,081,241 km (0.082 R)
• M10: 6,625,989 km (0.098 R)
• M11: 9,382,479 km (0.107 R)
• M12: 12,883,369 km (0.062 R)
• M13: 14,813,181 km (0.105 R)
• M14: 18,387,673 km (0.092 R)
• M15: 23,464,576 km (0.072 R)
• M16: 25,794,862 km (0.072 R)
• M17: 26,854,463 km (0.113 R)
• M18: 27,394,960 km (0.088 R)
• M19: 28,053,191 km (0.109 R)
• M20: 36,264,319 km (0.105 R)
• M21: 39,506,105 km (0.095 R)
• M22: 40,064,554 km (0.081 R)
• M23: 42,789,030 km (0.091 R)
• M24: 63,468,243 km (0.097 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 11,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit