🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 11.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.5 AU - 0.64 AU

Year: 287 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,508,598 km

• M1: 141,968 km (0.039 R)
• M2: 564,134 km (0.063 R)
• M3: 923,318 km (0.073 R)
• M4: 2,240,527 km (0.097 R)
• M5: 2,830,093 km (0.103 R)
• M6: 3,629,992 km (0.099 R)
• M7: 4,006,381 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 13.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 812 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,508,598 km

• M1: 163,211 km (0.118 R)
• M2: 686,804 km (0.087 R)
• M3: 1,231,490 km (0.112 R)
• M4: 1,644,230 km (0.108 R)
• M5: 2,739,137 km (0.089 R)
• M6: 3,645,102 km (0.077 R)
• M7: 4,192,331 km (0.117 R)
• M8: 4,604,323 km (0.074 R)
• M9: 5,079,895 km (0.106 R)
• M10: 5,530,035 km (0.066 R)
• M11: 6,663,388 km (0.119 R)
• M12: 7,204,185 km (0.115 R)
• M13: 8,221,301 km (0.108 R)
• M14: 8,738,311 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 12

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.4 AU - 1.62 AU

Year: 1237 Days

Day: 5.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,508,598 km

• M1: 149,299 km (0.1 R)
• M2: 698,024 km (0.047 R)
• M3: 1,307,186 km (0.084 R)
• M4: 1,729,800 km (0.1 R)
• M5: 2,178,145 km (0.089 R)
• M6: 2,770,104 km (0.079 R)
• M7: 3,532,754 km (0.051 R)
• M8: 3,999,798 km (0.068 R)
• M9: 4,826,626 km (0.087 R)
• M10: 5,333,463 km (0.103 R)
• M11: 7,007,164 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.3

Radius: 8.2

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.93 AU - 2.35 AU

Year: 2088 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,508,598 km

• M1: 102,175 km (0.116 R)
• M2: 449,691 km (0.037 R)
• M3: 855,401 km (0.119 R)
• M4: 1,111,512 km (0.061 R)
• M5: 1,456,784 km (0.057 R)
• M6: 2,067,742 km (0.035 R)
• M7: 2,609,436 km (0.114 R)
• M8: 3,736,656 km (0.075 R)
• M9: 4,378,879 km (0.06 R)
• M10: 4,664,013 km (0.109 R)
• M11: 4,939,722 km (0.107 R)
• M12: 5,712,993 km (0.12 R)
• M13: 8,393,338 km (0.081 R)
• M14: 9,970,848 km (0.095 R)
• M15: 12,693,679 km (0.059 R)
• M16: 13,191,091 km (0.119 R)
• M17: 14,358,104 km (0.095 R)
• M18: 15,781,229 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 9.8

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.99 AU - 4.09 AU

Year: 4442 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,508,598 km

• M1: 122,371 km (0.027 R)
• M2: 444,306 km (0.115 R)
• M3: 917,035 km (0.045 R)
• M4: 1,431,502 km (0.1 R)
• M5: 2,044,255 km (0.09 R)
• M6: 2,483,923 km (0.102 R)
• M7: 2,949,322 km (0.08 R)
• M8: 3,617,576 km (0.087 R)
• M9: 3,965,391 km (0.079 R)
• M10: 4,554,058 km (0.103 R)
• M11: 5,172,795 km (0.113 R)
• M12: 8,711,084 km (0.085 R)
• M13: 11,042,268 km (0.085 R)
• M14: 11,778,289 km (0.057 R)
• M15: 12,351,399 km (0.086 R)
• M16: 14,777,128 km (0.071 R)
• M17: 15,670,676 km (0.092 R)
• M18: 16,247,226 km (0.096 R)
• M19: 19,410,174 km (0.07 R)
• M20: 19,807,356 km (0.054 R)
• M21: 20,618,177 km (0.105 R)
• M22: 21,380,677 km (0.082 R)
• M23: 22,305,791 km (0.105 R)
• M24: 26,274,921 km (0.063 R)
• M25: 26,842,944 km (0.07 R)
• M26: 27,171,162 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.3

Radius: 12.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.98 AU - 4.48 AU

Year: 5801 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,508,598 km

• M1: 154,834 km (0.037 R)
• M2: 1,160,879 km (0.056 R)
• M3: 2,746,318 km (0.088 R)
• M4: 3,451,672 km (0.114 R)
• M5: 6,286,701 km (0.04 R)
• M6: 7,929,734 km (0.053 R)
• M7: 10,341,551 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.1

Radius: 13.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.17 AU - 5.47 AU

Year: 7057 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,508,598 km

• M1: 170,841 km (0.083 R)
• M2: 1,039,855 km (0.067 R)
• M3: 1,527,544 km (0.065 R)
• M4: 2,651,921 km (0.106 R)
• M5: 3,650,338 km (0.056 R)
• M6: 4,114,689 km (0.025 R)
• M7: 4,642,471 km (0.07 R)
• M8: 5,112,358 km (0.115 R)
• M9: 8,783,938 km (0.057 R)
• M10: 11,421,349 km (0.115 R)
• M11: 12,801,389 km (0.103 R)
• M12: 15,076,025 km (0.107 R)
• M13: 15,725,579 km (0.12 R)
• M14: 16,281,035 km (0.102 R)
• M15: 23,646,786 km (0.105 R)
• M16: 24,229,470 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.3

Radius: 6.5

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.3 AU - 6.7 AU

Year: 11051 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,508,598 km

• M1: 110,254 km (0.047 R)
• M2: 367,113 km (0.103 R)
• M3: 673,340 km (0.08 R)
• M4: 1,253,630 km (0.063 R)
• M5: 1,750,744 km (0.048 R)
• M6: 2,451,012 km (0.115 R)
• M7: 2,920,898 km (0.081 R)
• M8: 3,871,892 km (0.113 R)
• M9: 4,124,563 km (0.117 R)
• M10: 8,682,062 km (0.098 R)
• M11: 10,079,755 km (0.085 R)
• M12: 10,613,371 km (0.077 R)
• M13: 11,621,211 km (0.115 R)
• M14: 15,441,043 km (0.111 R)
• M15: 18,802,059 km (0.046 R)
• M16: 20,865,163 km (0.089 R)
• M17: 23,906,637 km (0.113 R)
• M18: 32,545,914 km (0.081 R)
• M19: 41,956,368 km (0.072 R)
• M20: 45,168,983 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 19,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit