🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 12.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.58 AU - 0.74 AU

Year: 364 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,460,605 km

• M1: 154,535 km (0.025 R)
• M2: 570,117 km (0.118 R)
• M3: 1,014,124 km (0.054 R)
• M4: 1,657,844 km (0.116 R)
• M5: 2,732,256 km (0.087 R)
• M6: 3,331,993 km (0.109 R)
• M7: 4,200,559 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 14.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.79 AU - 0.81 AU

Year: 485 Days

Day: 6.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,460,605 km

• M1: 176,525 km (0.119 R)
• M2: 708,795 km (0.119 R)
• M3: 1,525,449 km (0.109 R)
• M4: 2,229,158 km (0.06 R)
• M5: 2,703,084 km (0.105 R)
• M6: 3,163,247 km (0.093 R)
• M7: 4,024,482 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 13

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.95 AU - 1.31 AU

Year: 815 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,460,605 km

• M1: 161,715 km (0.115 R)
• M2: 581,337 km (0.085 R)
• M3: 994,676 km (0.119 R)
• M4: 1,437,486 km (0.104 R)
• M5: 1,933,552 km (0.081 R)
• M6: 2,364,394 km (0.044 R)
• M7: 2,907,285 km (0.097 R)
• M8: 3,827,611 km (0.116 R)
• M9: 4,483,897 km (0.074 R)
• M10: 5,090,068 km (0.028 R)
• M11: 5,788,690 km (0.12 R)
• M12: 6,467,266 km (0.109 R)
• M13: 7,021,526 km (0.11 R)
• M14: 7,469,272 km (0.12 R)
• M15: 8,348,010 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 12

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.13 AU - 1.59 AU

Year: 1076 Days

Day: 12.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,460,605 km

• M1: 149,299 km (0.075 R)
• M2: 564,433 km (0.085 R)
• M3: 1,072,766 km (0.118 R)
• M4: 1,628,373 km (0.064 R)
• M5: 2,077,765 km (0.1 R)
• M6: 2,471,656 km (0.077 R)
• M7: 3,191,371 km (0.089 R)
• M8: 4,030,167 km (0.103 R)
• M9: 4,579,939 km (0.097 R)
• M10: 6,017,126 km (0.114 R)
• M11: 6,896,911 km (0.117 R)
• M12: 7,885,902 km (0.071 R)
• M13: 9,329,821 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 8.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.42 AU - 1.64 AU

Year: 1284 Days

Day: 6.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,460,605 km

• M1: 108,159 km (0.089 R)
• M2: 469,139 km (0.06 R)
• M3: 800,349 km (0.106 R)
• M4: 1,217,876 km (0.025 R)
• M5: 1,908,719 km (0.033 R)
• M6: 2,204,923 km (0.118 R)
• M7: 2,543,762 km (0.059 R)
• M8: 3,228,023 km (0.113 R)
• M9: 3,948,935 km (0.095 R)
• M10: 5,052,818 km (0.118 R)
• M11: 5,323,889 km (0.101 R)
• M12: 6,712,606 km (0.065 R)
• M13: 7,478,547 km (0.062 R)
• M14: 8,064,073 km (0.11 R)
• M15: 8,625,215 km (0.113 R)
• M16: 9,735,979 km (0.083 R)
• M17: 10,248,950 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 12.6

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.81 AU - 2.89 AU

Year: 2443 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,460,605 km

• M1: 157,527 km (0.087 R)
• M2: 570,566 km (0.098 R)
• M3: 1,089,372 km (0.087 R)
• M4: 3,045,214 km (0.116 R)
• M5: 3,448,829 km (0.068 R)
• M6: 4,111,997 km (0.093 R)
• M7: 4,518,753 km (0.114 R)
• M8: 6,738,187 km (0.073 R)
• M9: 8,102,370 km (0.076 R)
• M10: 9,792,377 km (0.081 R)
• M11: 11,371,233 km (0.09 R)
• M12: 12,091,397 km (0.032 R)
• M13: 13,622,831 km (0.098 R)
• M14: 14,928,222 km (0.1 R)
• M15: 15,688,628 km (0.074 R)
• M16: 16,634,984 km (0.118 R)
• M17: 19,523,420 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 11.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.12 AU - 3.08 AU

Year: 2843 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,460,605 km

• M1: 145,559 km (0.119 R)
• M2: 513,569 km (0.103 R)
• M3: 988,393 km (0.118 R)
• M4: 1,849,179 km (0.098 R)
• M5: 2,527,456 km (0.116 R)
• M6: 3,156,964 km (0.083 R)
• M7: 3,888,497 km (0.104 R)
• M8: 4,253,217 km (0.117 R)
• M9: 5,315,063 km (0.081 R)
• M10: 7,894,130 km (0.042 R)
• M11: 8,684,904 km (0.045 R)
• M12: 10,540,068 km (0.097 R)
• M13: 11,664,296 km (0.112 R)
• M14: 14,340,452 km (0.081 R)
• M15: 15,366,843 km (0.095 R)
• M16: 17,456,276 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 13.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.69 AU - 4.31 AU

Year: 5426 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,460,605 km

• M1: 180,265 km (0.09 R)
• M2: 1,230,442 km (0.1 R)
• M3: 1,835,715 km (0.115 R)
• M4: 2,392,818 km (0.045 R)
• M5: 2,915,064 km (0.11 R)
• M6: 3,452,120 km (0.074 R)
• M7: 4,933,139 km (0.107 R)
• M8: 5,672,153 km (0.109 R)
• M9: 6,205,170 km (0.083 R)
• M10: 6,642,594 km (0.043 R)
• M11: 7,440,998 km (0.087 R)
• M12: 8,796,205 km (0.112 R)
• M13: 10,011,090 km (0.071 R)
• M14: 11,197,700 km (0.095 R)
• M15: 13,849,472 km (0.049 R)
• M16: 18,575,268 km (0.089 R)
• M17: 20,569,109 km (0.095 R)
• M18: 23,595,324 km (0.118 R)
• M19: 24,357,376 km (0.085 R)
• M20: 27,154,706 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.9

Radius: 7

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.6 AU - 8.24 AU

Year: 15117 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,460,605 km

• M1: 87,066 km (0.098 R)
• M2: 322,084 km (0.11 R)
• M3: 626,665 km (0.068 R)
• M4: 1,032,375 km (0.113 R)
• M5: 1,647,372 km (0.037 R)
• M6: 2,088,536 km (0.116 R)
• M7: 2,483,923 km (0.062 R)
• M8: 3,134,524 km (0.117 R)
• M9: 4,374,391 km (0.039 R)
• M10: 4,644,715 km (0.116 R)
• M11: 5,022,599 km (0.114 R)
• M12: 7,778,790 km (0.068 R)
• M13: 13,241,207 km (0.038 R)
• M14: 13,808,482 km (0.076 R)
• M15: 17,333,307 km (0.071 R)
• M16: 18,088,477 km (0.098 R)
• M17: 18,474,140 km (0.117 R)
• M18: 19,826,804 km (0.101 R)
• M19: 21,329,664 km (0.061 R)
• M20: 22,727,956 km (0.102 R)
• M21: 23,086,841 km (0.109 R)
• M22: 23,449,466 km (0.082 R)
• M23: 26,588,030 km (0.083 R)
• M24: 27,389,126 km (0.036 R)
• M25: 36,671,225 km (0.068 R)
• M26: 40,221,632 km (0.083 R)
• M27: 41,143,753 km (0.089 R)
• M28: 47,703,171 km (0.054 R)
• M29: 50,237,508 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 14,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit