🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275

Radius: 13.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.66 AU - 0.78 AU

Year: 388 Days

Day: 6.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,922,142 km

• M1: 167,849 km (0.077 R)
• M2: 766,539 km (0.055 R)
• M3: 1,956,740 km (0.109 R)
• M4: 2,745,719 km (0.061 R)
• M5: 3,480,245 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 12.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.92 AU - 1.06 AU

Year: 626 Days

Day: 7.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,922,142 km

• M1: 160,369 km (0.108 R)
• M2: 600,187 km (0.112 R)
• M3: 1,023,549 km (0.093 R)
• M4: 2,384,889 km (0.098 R)
• M5: 2,795,685 km (0.059 R)
• M6: 3,596,482 km (0.117 R)
• M7: 4,186,347 km (0.083 R)
• M8: 5,044,141 km (0.118 R)
• M9: 5,469,597 km (0.054 R)
• M10: 6,312,581 km (0.09 R)
• M11: 6,786,657 km (0.115 R)
• M12: 7,553,795 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.3

Radius: 13

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.04 AU - 1.14 AU

Year: 724 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,922,142 km

• M1: 161,865 km (0.08 R)
• M2: 639,381 km (0.025 R)
• M3: 1,226,254 km (0.058 R)
• M4: 1,707,211 km (0.096 R)
• M5: 2,392,968 km (0.028 R)
• M6: 2,845,800 km (0.099 R)
• M7: 3,305,963 km (0.108 R)
• M8: 4,500,502 km (0.085 R)
• M9: 4,929,848 km (0.058 R)
• M10: 6,039,715 km (0.09 R)
• M11: 6,623,895 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 13

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.25 AU - 1.73 AU

Year: 1156 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,922,142 km

• M1: 162,014 km (0.106 R)
• M2: 633,697 km (0.1 R)
• M3: 1,086,380 km (0.053 R)
• M4: 1,794,426 km (0.098 R)
• M5: 2,519,378 km (0.028 R)
• M6: 3,221,441 km (0.054 R)
• M7: 5,441,922 km (0.055 R)
• M8: 6,679,096 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 8.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.52 AU - 1.54 AU

Year: 1203 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,922,142 km

• M1: 115,490 km (0.11 R)
• M2: 624,870 km (0.097 R)
• M3: 1,006,494 km (0.105 R)
• M4: 1,427,313 km (0.12 R)
• M5: 2,518,630 km (0.085 R)
• M6: 2,918,505 km (0.08 R)
• M7: 3,537,242 km (0.115 R)
• M8: 4,883,622 km (0.08 R)
• M9: 5,189,401 km (0.105 R)
• M10: 7,010,605 km (0.117 R)
• M11: 9,022,098 km (0.105 R)
• M12: 9,367,071 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.09 AU - 6.67 AU

Year: 7934 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,922,142 km

• M1: 112,198 km (0.111 R)
• M2: 409,449 km (0.107 R)
• M3: 857,046 km (0.072 R)
• M4: 1,148,912 km (0.111 R)
• M5: 2,251,149 km (0.109 R)
• M6: 2,661,496 km (0.111 R)
• M7: 3,319,577 km (0.065 R)
• M8: 4,517,556 km (0.089 R)
• M9: 4,983,703 km (0.093 R)
• M10: 5,683,971 km (0.03 R)
• M11: 6,259,025 km (0.102 R)
• M12: 8,522,740 km (0.064 R)
• M13: 8,874,146 km (0.065 R)
• M14: 9,522,952 km (0.104 R)
• M15: 11,803,272 km (0.12 R)
• M16: 12,487,981 km (0.08 R)
• M17: 12,890,849 km (0.092 R)
• M18: 13,302,542 km (0.105 R)
• M19: 13,936,388 km (0.097 R)
• M20: 15,551,447 km (0.105 R)
• M21: 16,494,063 km (0.091 R)
• M22: 17,725,253 km (0.112 R)
• M23: 18,170,457 km (0.066 R)
• M24: 20,508,522 km (0.105 R)
• M25: 23,040,316 km (0.112 R)
• M26: 28,454,861 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.9

Radius: 6.2

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.83 AU - 8.19 AU

Year: 13086 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,922,142 km

• M1: 79,137 km (0.027 R)
• M2: 526,884 km (0.043 R)
• M3: 1,036,264 km (0.073 R)
• M4: 1,275,023 km (0.101 R)
• M5: 1,656,198 km (0.1 R)
• M6: 2,038,271 km (0.118 R)
• M7: 2,416,903 km (0.037 R)
• M8: 3,921,559 km (0.116 R)
• M9: 4,178,418 km (0.119 R)
• M10: 9,661,030 km (0.075 R)
• M11: 10,183,725 km (0.069 R)
• M12: 11,058,873 km (0.108 R)
• M13: 11,688,979 km (0.096 R)
• M14: 12,162,008 km (0.078 R)
• M15: 12,771,320 km (0.107 R)
• M16: 18,876,110 km (0.113 R)
• M17: 20,108,796 km (0.091 R)
• M18: 20,616,681 km (0.081 R)
• M19: 22,012,579 km (0.109 R)
• M20: 24,223,037 km (0.051 R)
• M21: 25,283,985 km (0.097 R)
• M22: 27,913,915 km (0.057 R)
• M23: 28,123,502 km (0.047 R)
• M24: 29,838,043 km (0.059 R)
• M25: 34,788,686 km (0.114 R)
• M26: 35,275,328 km (0.118 R)
• M27: 38,033,164 km (0.119 R)
• M28: 38,420,024 km (0.031 R)
• M29: 46,424,857 km (0.098 R)
• M30: 49,884,607 km (0.099 R)
• M31: 52,869,084 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.3

Radius: 4.2

Gravity: 24.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.59 AU - 10.21 AU

Year: 15479 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,922,142 km

• M1: 52,210 km (0.063 R)
• M2: 213,925 km (0.105 R)
• M3: 751,729 km (0.083 R)
• M4: 1,035,516 km (0.094 R)
• M5: 1,214,884 km (0.118 R)
• M6: 1,731,895 km (0.029 R)
• M7: 3,257,643 km (0.064 R)
• M8: 3,671,880 km (0.116 R)
• M9: 4,604,323 km (0.066 R)
• M10: 8,712,131 km (0.102 R)
• M11: 16,536,698 km (0.111 R)
• M12: 16,834,548 km (0.077 R)
• M13: 18,298,662 km (0.076 R)
• M14: 20,693,724 km (0.092 R)
• M15: 23,104,045 km (0.103 R)
• M16: 28,367,047 km (0.104 R)
• M17: 36,093,628 km (0.069 R)
• M18: 43,256,224 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.2

Radius: 7.7

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.15 AU - 11.33 AU

Year: 19327 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,922,142 km

• M1: 96,191 km (0.097 R)
• M2: 349,610 km (0.113 R)
• M3: 676,781 km (0.113 R)
• M4: 1,140,833 km (0.083 R)
• M5: 1,391,709 km (0.067 R)
• M6: 1,679,984 km (0.07 R)
• M7: 4,078,337 km (0.11 R)
• M8: 5,140,781 km (0.119 R)
• M9: 5,481,116 km (0.118 R)
• M10: 5,796,319 km (0.044 R)
• M11: 6,770,351 km (0.106 R)
• M12: 7,226,325 km (0.045 R)
• M13: 8,877,586 km (0.083 R)
• M14: 10,463,922 km (0.067 R)
• M15: 14,260,716 km (0.101 R)
• M16: 15,706,580 km (0.095 R)
• M17: 17,499,959 km (0.05 R)
• M18: 18,533,680 km (0.035 R)
• M19: 19,065,501 km (0.09 R)
• M20: 21,102,874 km (0.095 R)
• M21: 25,279,497 km (0.095 R)
• M22: 26,710,849 km (0.077 R)
• M23: 27,162,037 km (0.078 R)
• M24: 31,704,127 km (0.11 R)
• M25: 35,629,126 km (0.105 R)
• M26: 36,728,072 km (0.117 R)
• M27: 38,133,245 km (0.075 R)
• M28: 38,849,071 km (0.118 R)
• M29: 44,585,401 km (0.088 R)
• M30: 44,902,100 km (0.091 R)
• M31: 67,393,990 km (0.077 R)
• M32: 68,230,093 km (0.11 R)
• M33: 68,650,612 km (0.081 R)
• M34: 69,497,037 km (0.063 R)
• M35: 70,994,811 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.1

Radius: 7.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.13 AU - 12.07 AU

Year: 21943 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 97.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,922,142 km

• M1: 88,263 km (0.037 R)
• M2: 443,109 km (0.112 R)
• M3: 867,817 km (0.083 R)
• M4: 1,145,172 km (0.074 R)
• M5: 2,026,154 km (0.119 R)
• M6: 2,314,429 km (0.094 R)
• M7: 2,787,008 km (0.091 R)
• M8: 3,270,808 km (0.083 R)
• M9: 4,040,339 km (0.056 R)
• M10: 4,373,793 km (0.08 R)
• M11: 5,631,761 km (0.092 R)
• M12: 7,377,569 km (0.067 R)
• M13: 10,600,954 km (0.088 R)
• M14: 11,533,098 km (0.061 R)
• M15: 12,080,926 km (0.109 R)
• M16: 12,645,957 km (0.087 R)
• M17: 14,869,131 km (0.072 R)
• M18: 15,299,673 km (0.111 R)
• M19: 17,419,326 km (0.038 R)
• M20: 17,897,740 km (0.089 R)
• M21: 18,221,469 km (0.119 R)
• M22: 20,334,539 km (0.107 R)
• M23: 22,324,640 km (0.116 R)
• M24: 22,699,981 km (0.11 R)
• M25: 24,441,001 km (0.109 R)
• M26: 24,940,059 km (0.028 R)
• M27: 31,704,726 km (0.095 R)
• M28: 32,899,265 km (0.057 R)
• M29: 39,597,509 km (0.116 R)
• M30: 40,009,651 km (0.111 R)
• M31: 42,542,044 km (0.102 R)
• M32: 51,263,750 km (0.102 R)
• M33: 56,646,431 km (0.108 R)
• M34: 58,758,304 km (0.036 R)
• M35: 60,557,816 km (0.112 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: 434 - 18,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit