🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 14.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.6 AU - 0.96 AU

Year: 438 Days

Day: 10.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,628,373 km

• M1: 185,053 km (0.111 R)
• M2: 707,448 km (0.115 R)
• M3: 1,321,099 km (0.119 R)
• M4: 1,976,038 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 12

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.43 AU - 1.99 AU

Year: 1422 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,628,373 km

• M1: 149,448 km (0.085 R)
• M2: 574,456 km (0.075 R)
• M3: 968,796 km (0.095 R)
• M4: 1,517,222 km (0.09 R)
• M5: 2,151,965 km (0.08 R)
• M6: 3,732,616 km (0.094 R)
• M7: 4,114,390 km (0.109 R)
• M8: 4,657,879 km (0.078 R)
• M9: 5,573,717 km (0.065 R)
• M10: 6,384,987 km (0.112 R)
• M11: 6,908,579 km (0.048 R)
• M12: 7,789,112 km (0.08 R)
• M13: 9,580,248 km (0.083 R)
• M14: 9,969,053 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.8

Radius: 8.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.83 AU - 2.95 AU

Year: 3124 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,628,373 km

• M1: 105,766 km (0.106 R)
• M2: 427,401 km (0.11 R)
• M3: 818,600 km (0.107 R)
• M4: 2,028,697 km (0.1 R)
• M5: 2,511,748 km (0.051 R)
• M6: 2,976,250 km (0.076 R)
• M7: 3,707,334 km (0.098 R)
• M8: 5,688,160 km (0.115 R)
• M9: 7,481,090 km (0.117 R)
• M10: 12,586,267 km (0.084 R)
• M11: 13,899,737 km (0.108 R)
• M12: 14,931,663 km (0.117 R)
• M13: 15,774,198 km (0.116 R)
• M14: 16,255,753 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 8.6

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.81 AU - 3.89 AU

Year: 4803 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,628,373 km

• M1: 106,962 km (0.102 R)
• M2: 472,729 km (0.077 R)
• M3: 789,877 km (0.09 R)
• M4: 1,624,633 km (0.102 R)
• M5: 2,562,163 km (0.087 R)
• M6: 3,032,648 km (0.112 R)
• M7: 3,667,841 km (0.063 R)
• M8: 4,849,215 km (0.112 R)
• M9: 5,146,017 km (0.076 R)
• M10: 5,836,262 km (0.101 R)
• M11: 6,203,674 km (0.109 R)
• M12: 7,867,651 km (0.101 R)
• M13: 8,586,469 km (0.045 R)
• M14: 8,982,006 km (0.088 R)
• M15: 9,895,151 km (0.082 R)
• M16: 10,242,218 km (0.085 R)
• M17: 10,687,272 km (0.111 R)
• M18: 12,851,953 km (0.099 R)
• M19: 13,317,502 km (0.04 R)
• M20: 14,558,566 km (0.107 R)
• M21: 14,838,314 km (0.078 R)
• M22: 15,408,431 km (0.12 R)
• M23: 18,875,063 km (0.069 R)
• M24: 20,578,234 km (0.049 R)
• M25: 22,829,383 km (0.12 R)
• M26: 23,589,340 km (0.055 R)
• M27: 25,320,337 km (0.092 R)
• M28: 25,888,360 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 8.8

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.73 AU - 4.55 AU

Year: 5356 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,628,373 km

• M1: 109,506 km (0.095 R)
• M2: 414,237 km (0.082 R)
• M3: 847,173 km (0.11 R)
• M4: 1,172,099 km (0.101 R)
• M5: 1,544,299 km (0.118 R)
• M6: 1,980,077 km (0.07 R)
• M7: 2,777,434 km (0.105 R)
• M8: 3,259,738 km (0.042 R)
• M9: 3,662,754 km (0.088 R)
• M10: 3,957,462 km (0.049 R)
• M11: 4,569,168 km (0.108 R)
• M12: 4,938,375 km (0.039 R)
• M13: 5,299,056 km (0.104 R)
• M14: 6,198,887 km (0.08 R)
• M15: 6,652,169 km (0.1 R)
• M16: 7,625,153 km (0.114 R)
• M17: 9,467,152 km (0.119 R)
• M18: 10,334,520 km (0.11 R)
• M19: 10,879,655 km (0.047 R)
• M20: 11,928,934 km (0.12 R)
• M21: 14,062,200 km (0.102 R)
• M22: 16,074,441 km (0.117 R)
• M23: 21,090,906 km (0.119 R)
• M24: 22,717,484 km (0.117 R)
• M25: 23,022,065 km (0.033 R)
• M26: 24,505,627 km (0.111 R)
• M27: 25,067,966 km (0.1 R)
• M28: 29,069,110 km (0.081 R)
• M29: 29,972,083 km (0.087 R)
• M30: 30,893,755 km (0.105 R)
• M31: 31,455,795 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.5

Radius: 3.6

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.45 AU - 7.61 AU

Year: 13138 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,628,373 km

• M1: 44,730 km (0.101 R)
• M2: 186,997 km (0.095 R)
• M3: 348,413 km (0.064 R)
• M4: 945,459 km (0.101 R)
• M5: 1,172,099 km (0.091 R)
• M6: 1,624,782 km (0.101 R)
• M7: 2,168,720 km (0.079 R)
• M8: 2,351,679 km (0.056 R)
• M9: 2,691,864 km (0.034 R)
• M10: 3,957,761 km (0.099 R)
• M11: 4,984,152 km (0.108 R)
• M12: 6,110,774 km (0.028 R)
• M13: 8,811,015 km (0.06 R)
• M14: 10,630,275 km (0.107 R)
• M15: 10,915,857 km (0.119 R)
• M16: 12,685,151 km (0.079 R)
• M17: 15,837,029 km (0.109 R)
• M18: 17,036,804 km (0.085 R)
• M19: 20,189,579 km (0.056 R)
• M20: 20,774,806 km (0.115 R)
• M21: 24,526,122 km (0.114 R)
• M22: 30,768,841 km (0.094 R)
• M23: 32,231,609 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.7

Radius: 7.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.15 AU - 10.27 AU

Year: 20743 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,628,373 km

• M1: 299,944 km (0.115 R)
• M2: 568,921 km (0.103 R)
• M3: 861,684 km (0.093 R)
• M4: 1,280,259 km (0.099 R)
• M5: 1,645,128 km (0.098 R)
• M6: 2,148,674 km (0.114 R)
• M7: 5,371,910 km (0.098 R)
• M8: 7,853,140 km (0.045 R)
• M9: 11,011,151 km (0.103 R)
• M10: 12,482,147 km (0.096 R)
• M11: 14,927,624 km (0.077 R)
• M12: 16,941,061 km (0.091 R)
• M13: 20,909,594 km (0.046 R)
• M14: 21,329,216 km (0.067 R)
• M15: 27,808,599 km (0.045 R)
• M16: 32,601,266 km (0.119 R)
• M17: 39,045,044 km (0.068 R)
• M18: 41,896,978 km (0.105 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 11,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit