🌌 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: 216.5

Radius: 11.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.49 AU - 0.65 AU

Year: 302 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,073,168 km

• M1: 145,559 km (0.057 R)
• M2: 640,428 km (0.047 R)
• M3: 1,636,601 km (0.118 R)
• M4: 2,157,650 km (0.106 R)
• M5: 2,585,949 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 14.9

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.43 AU - 1.71 AU

Year: 1383 Days

Day: 5 Hours

Environment

Temp: -192 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,073,168 km

• M1: 189,391 km (0.115 R)
• M2: 1,388,867 km (0.102 R)
• M3: 2,568,446 km (0.073 R)
• M4: 3,155,917 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.6

Radius: 12.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.89 AU - 2.51 AU

Year: 2294 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,073,168 km

• M1: 153,039 km (0.089 R)
• M2: 566,976 km (0.118 R)
• M3: 1,027,887 km (0.108 R)
• M4: 2,133,864 km (0.116 R)
• M5: 2,605,247 km (0.083 R)
• M6: 3,508,818 km (0.056 R)
• M7: 4,506,636 km (0.037 R)
• M8: 5,848,080 km (0.106 R)
• M9: 6,600,408 km (0.077 R)
• M10: 7,611,689 km (0.097 R)
• M11: 8,723,650 km (0.1 R)
• M12: 9,446,806 km (0.114 R)
• M13: 10,059,709 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 12.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.64 AU - 5.22 AU

Year: 7694 Days

Day: 8.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,073,168 km

• M1: 155,283 km (0.118 R)
• M2: 550,819 km (0.092 R)
• M3: 936,034 km (0.108 R)
• M4: 1,478,326 km (0.06 R)
• M5: 3,944,447 km (0.085 R)
• M6: 4,349,408 km (0.105 R)
• M7: 6,612,076 km (0.076 R)
• M8: 9,868,373 km (0.109 R)
• M9: 11,600,567 km (0.116 R)
• M10: 12,691,734 km (0.097 R)
• M11: 13,209,791 km (0.085 R)
• M12: 16,015,050 km (0.118 R)
• M13: 16,498,102 km (0.073 R)
• M14: 18,070,675 km (0.086 R)
• M15: 18,993,843 km (0.086 R)
• M16: 20,507,774 km (0.041 R)
• M17: 23,310,041 km (0.044 R)
• M18: 26,025,542 km (0.068 R)
• M19: 26,778,168 km (0.116 R)
• M20: 27,631,475 km (0.101 R)
• M21: 28,945,393 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.7

Radius: 7.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.74 AU - 7.82 AU

Year: 11062 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,073,168 km

• M1: 93,199 km (0.114 R)
• M2: 409,898 km (0.08 R)
• M3: 838,197 km (0.112 R)
• M4: 1,211,743 km (0.113 R)
• M5: 1,581,848 km (0.051 R)
• M6: 2,091,079 km (0.102 R)
• M7: 2,969,069 km (0.072 R)
• M8: 3,409,635 km (0.116 R)
• M9: 3,670,234 km (0.109 R)
• M10: 4,098,982 km (0.081 R)
• M11: 4,532,666 km (0.096 R)
• M12: 5,523,602 km (0.114 R)
• M13: 6,087,287 km (0.068 R)
• M14: 11,733,559 km (0.09 R)
• M15: 13,060,493 km (0.09 R)
• M16: 13,349,067 km (0.056 R)
• M17: 14,179,784 km (0.097 R)
• M18: 15,618,766 km (0.05 R)
• M19: 18,062,447 km (0.09 R)
• M20: 20,671,883 km (0.114 R)
• M21: 21,944,362 km (0.084 R)
• M22: 22,848,980 km (0.071 R)
• M23: 23,864,002 km (0.118 R)
• M24: 25,085,768 km (0.087 R)
• M25: 25,442,409 km (0.039 R)
• M26: 29,889,655 km (0.108 R)
• M27: 33,952,284 km (0.059 R)
• M28: 35,384,384 km (0.065 R)
• M29: 36,856,128 km (0.12 R)
• M30: 39,800,513 km (0.051 R)
• M31: 41,391,936 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826

Radius: 6.4

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.36 AU - 9.96 AU

Year: 16385 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,073,168 km

• M1: 83,476 km (0.111 R)
• M2: 854,503 km (0.101 R)
• M3: 1,338,901 km (0.048 R)
• M4: 1,935,198 km (0.044 R)
• M5: 2,210,159 km (0.117 R)
• M6: 4,248,729 km (0.061 R)
• M7: 4,477,913 km (0.112 R)
• M8: 4,715,325 km (0.096 R)
• M9: 7,670,332 km (0.056 R)
• M10: 8,210,081 km (0.054 R)
• M11: 9,867,176 km (0.119 R)
• M12: 10,624,291 km (0.079 R)
• M13: 13,970,646 km (0.111 R)
• M14: 24,269,562 km (0.096 R)
• M15: 26,077,751 km (0.099 R)
• M16: 28,088,347 km (0.064 R)
• M17: 28,897,222 km (0.09 R)
• M18: 30,440,773 km (0.071 R)
• M19: 32,794,247 km (0.065 R)
• M20: 40,724,580 km (0.052 R)
• M21: 43,117,846 km (0.065 R)
• M22: 55,954,989 km (0.119 R)
• M23: 56,318,512 km (0.057 R)
• M24: 66,334,987 km (0.099 R)
• M25: 68,595,860 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.3

Radius: 4.5

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.14 AU - 10.74 AU

Year: 20388 Days

Day: 20.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,073,168 km

• M1: 55,950 km (0.086 R)
• M2: 231,578 km (0.066 R)
• M3: 524,041 km (0.067 R)
• M4: 766,091 km (0.094 R)
• M5: 918,531 km (0.073 R)
• M6: 1,161,478 km (0.075 R)
• M7: 1,891,515 km (0.108 R)
• M8: 3,511,511 km (0.106 R)
• M9: 3,965,092 km (0.069 R)
• M10: 6,213,248 km (0.048 R)
• M11: 8,522,890 km (0.087 R)
• M12: 11,921,006 km (0.119 R)
• M13: 16,411,784 km (0.11 R)
• M14: 21,564,683 km (0.114 R)
• M15: 23,343,850 km (0.085 R)
• M16: 23,803,564 km (0.1 R)
• M17: 24,363,060 km (0.062 R)
• M18: 25,897,785 km (0.032 R)
• M19: 26,688,709 km (0.086 R)
• M20: 32,227,121 km (0.059 R)
• M21: 33,141,763 km (0.113 R)
• M22: 36,726,427 km (0.11 R)
• M23: 38,868,220 km (0.073 R)
• M24: 46,655,088 km (0.066 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: 545 - 18,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit