🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 8.5

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,830,022 km

• M1: 105,766 km (0.076 R)
• M2: 579,991 km (0.032 R)
• M3: 872,305 km (0.066 R)
• M4: 1,229,844 km (0.118 R)
• M5: 1,494,184 km (0.118 R)
• M6: 2,132,069 km (0.073 R)
• M7: 2,875,720 km (0.089 R)
• M8: 3,185,836 km (0.115 R)
• M9: 3,481,292 km (0.074 R)
• M10: 3,821,178 km (0.043 R)
• M11: 4,238,706 km (0.048 R)
• M12: 4,567,821 km (0.082 R)
• M13: 5,245,350 km (0.032 R)
• M14: 5,676,192 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 11

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.98 AU - 1.1 AU

Year: 746 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,830,022 km

• M1: 137,780 km (0.065 R)
• M2: 532,120 km (0.101 R)
• M3: 1,014,573 km (0.115 R)
• M4: 1,424,920 km (0.089 R)
• M5: 2,026,902 km (0.097 R)
• M6: 2,528,354 km (0.048 R)
• M7: 2,931,221 km (0.097 R)
• M8: 3,481,890 km (0.026 R)
• M9: 4,175,426 km (0.091 R)
• M10: 5,009,733 km (0.072 R)
• M11: 5,430,702 km (0.112 R)
• M12: 6,048,092 km (0.103 R)
• M13: 6,404,285 km (0.063 R)
• M14: 6,986,221 km (0.063 R)
• M15: 7,445,636 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 11.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1 AU - 1.14 AU

Year: 778 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,830,022 km

• M1: 151,991 km (0.067 R)
• M2: 625,020 km (0.04 R)
• M3: 1,320,052 km (0.085 R)
• M4: 1,863,092 km (0.067 R)
• M5: 2,238,732 km (0.099 R)
• M6: 2,644,292 km (0.055 R)
• M7: 3,376,873 km (0.111 R)
• M8: 5,077,202 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 13.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.03 AU - 1.57 AU

Year: 1042 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,830,022 km

• M1: 171,589 km (0.114 R)
• M2: 662,569 km (0.064 R)
• M3: 1,184,815 km (0.111 R)
• M4: 1,803,103 km (0.091 R)
• M5: 2,479,884 km (0.099 R)
• M6: 3,427,886 km (0.068 R)
• M7: 4,160,317 km (0.119 R)
• M8: 4,655,037 km (0.094 R)
• M9: 5,224,855 km (0.04 R)
• M10: 5,821,751 km (0.103 R)
• M11: 6,422,237 km (0.092 R)
• M12: 7,937,962 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.6

Radius: 12.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.28 AU - 1.64 AU

Year: 1240 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 60.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,830,022 km

• M1: 157,975 km (0.09 R)
• M2: 993,180 km (0.049 R)
• M3: 1,561,203 km (0.112 R)
• M4: 2,025,705 km (0.107 R)
• M5: 2,488,860 km (0.068 R)
• M6: 3,944,148 km (0.117 R)
• M7: 4,912,495 km (0.116 R)
• M8: 5,533,625 km (0.049 R)
• M9: 6,933,413 km (0.086 R)
• M10: 7,640,562 km (0.098 R)
• M11: 8,557,447 km (0.096 R)
• M12: 10,736,340 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.5

Radius: 13.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.44 AU - 1.96 AU

Year: 1558 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,830,022 km

• M1: 174,730 km (0.096 R)
• M2: 847,023 km (0.08 R)
• M3: 1,345,184 km (0.039 R)
• M4: 2,733,303 km (0.085 R)
• M5: 3,543,525 km (0.069 R)
• M6: 4,665,509 km (0.085 R)
• M7: 5,159,032 km (0.115 R)
• M8: 6,398,899 km (0.061 R)
• M9: 8,028,918 km (0.059 R)
• M10: 10,054,772 km (0.095 R)
• M11: 11,793,099 km (0.086 R)
• M12: 14,269,991 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 8.7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.5 AU - 5.2 AU

Year: 6377 Days

Day: 13.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,830,022 km

• M1: 108,159 km (0.114 R)
• M2: 443,707 km (0.079 R)
• M3: 1,425,369 km (0.086 R)
• M4: 2,231,851 km (0.12 R)
• M5: 2,572,036 km (0.116 R)
• M6: 2,907,584 km (0.047 R)
• M7: 3,876,530 km (0.048 R)
• M8: 4,345,070 km (0.058 R)
• M9: 4,633,345 km (0.105 R)
• M10: 6,012,039 km (0.115 R)
• M11: 7,059,524 km (0.103 R)
• M12: 7,950,678 km (0.11 R)
• M13: 8,343,372 km (0.098 R)
• M14: 10,457,938 km (0.099 R)
• M15: 11,663,996 km (0.084 R)
• M16: 12,640,870 km (0.077 R)
• M17: 13,895,099 km (0.101 R)
• M18: 15,592,137 km (0.041 R)
• M19: 16,459,057 km (0.093 R)
• M20: 17,033,064 km (0.071 R)
• M21: 18,904,683 km (0.082 R)
• M22: 19,393,120 km (0.064 R)
• M23: 19,961,741 km (0.074 R)
• M24: 22,502,811 km (0.065 R)
• M25: 23,209,960 km (0.039 R)
• M26: 24,094,233 km (0.079 R)
• M27: 24,917,470 km (0.095 R)
• M28: 28,672,377 km (0.028 R)
• M29: 29,224,542 km (0.106 R)
• M30: 29,971,933 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 16,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit