🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 11.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 406 Days

Day: 7.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,858,918 km

• M1: 139,276 km (0.088 R)
• M2: 574,306 km (0.085 R)
• M3: 929,452 km (0.118 R)
• M4: 1,642,884 km (0.112 R)
• M5: 2,104,543 km (0.096 R)
• M6: 2,533,440 km (0.119 R)
• M7: 3,733,065 km (0.103 R)
• M8: 4,495,865 km (0.101 R)
• M9: 4,914,739 km (0.03 R)
• M10: 5,625,927 km (0.09 R)
• M11: 5,989,001 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 8.2

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.79 AU - 1.11 AU

Year: 628 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,858,918 km

• M1: 102,175 km (0.036 R)
• M2: 368,310 km (0.074 R)
• M3: 659,427 km (0.114 R)
• M4: 943,215 km (0.085 R)
• M5: 1,200,972 km (0.117 R)
• M6: 1,896,901 km (0.092 R)
• M7: 2,214,497 km (0.091 R)
• M8: 3,161,601 km (0.031 R)
• M9: 3,497,748 km (0.068 R)
• M10: 3,817,887 km (0.119 R)
• M11: 4,143,562 km (0.08 R)
• M12: 4,682,114 km (0.108 R)
• M13: 5,023,945 km (0.096 R)
• M14: 6,168,818 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 10.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.29 AU - 1.91 AU

Year: 1373 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,858,918 km

• M1: 126,859 km (0.098 R)
• M2: 490,232 km (0.086 R)
• M3: 900,729 km (0.09 R)
• M4: 1,341,145 km (0.056 R)
• M5: 2,296,776 km (0.091 R)
• M6: 2,785,213 km (0.12 R)
• M7: 3,177,908 km (0.083 R)
• M8: 3,591,246 km (0.101 R)
• M9: 4,794,163 km (0.085 R)
• M10: 5,215,281 km (0.12 R)
• M11: 5,770,588 km (0.05 R)
• M12: 6,701,835 km (0.115 R)
• M13: 8,169,689 km (0.096 R)
• M14: 8,596,941 km (0.103 R)
• M15: 9,434,390 km (0.092 R)
• M16: 10,227,109 km (0.037 R)
• M17: 10,961,036 km (0.087 R)
• M18: 11,693,916 km (0.095 R)
• M19: 12,127,301 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.5

Radius: 10.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.9 AU - 5.62 AU

Year: 8182 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,858,918 km

• M1: 128,355 km (0.103 R)
• M2: 522,695 km (0.038 R)
• M3: 965,505 km (0.097 R)
• M4: 2,420,942 km (0.098 R)
• M5: 3,966,737 km (0.115 R)
• M6: 5,206,903 km (0.099 R)
• M7: 5,651,209 km (0.112 R)
• M8: 6,189,761 km (0.081 R)
• M9: 6,615,966 km (0.107 R)
• M10: 9,048,128 km (0.107 R)
• M11: 10,267,351 km (0.106 R)
• M12: 13,970,048 km (0.062 R)
• M13: 16,318,435 km (0.079 R)
• M14: 17,411,247 km (0.119 R)
• M15: 31,361,249 km (0.07 R)
• M16: 32,091,586 km (0.099 R)
• M17: 33,478,059 km (0.095 R)
• M18: 41,637,127 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.8

Radius: 5.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.41 AU - 9.99 AU

Year: 20490 Days

Day: 21.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,858,918 km

• M1: 73,453 km (0.04 R)
• M2: 332,706 km (0.101 R)
• M3: 794,065 km (0.08 R)
• M4: 1,022,651 km (0.103 R)
• M5: 1,219,821 km (0.117 R)
• M6: 1,414,747 km (0.096 R)
• M7: 2,222,127 km (0.098 R)
• M8: 5,449,402 km (0.114 R)
• M9: 5,766,250 km (0.109 R)
• M10: 6,398,301 km (0.084 R)
• M11: 7,283,472 km (0.062 R)
• M12: 7,495,452 km (0.092 R)
• M13: 8,385,260 km (0.071 R)
• M14: 10,749,953 km (0.074 R)
• M15: 13,910,807 km (0.053 R)
• M16: 14,838,912 km (0.084 R)
• M17: 15,318,074 km (0.095 R)
• M18: 18,886,133 km (0.103 R)
• M19: 20,947,292 km (0.094 R)
• M20: 24,359,919 km (0.079 R)
• M21: 27,201,082 km (0.085 R)
• M22: 28,334,136 km (0.113 R)
• M23: 28,543,423 km (0.091 R)
• M24: 29,821,139 km (0.089 R)
• M25: 30,037,756 km (0.091 R)
• M26: 31,471,502 km (0.083 R)
• M27: 32,261,978 km (0.103 R)
• M28: 33,414,180 km (0.069 R)
• M29: 36,167,978 km (0.081 R)
• M30: 36,414,366 km (0.06 R)
• M31: 38,170,495 km (0.096 R)
• M32: 41,176,814 km (0.112 R)
• M33: 49,299,829 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 16,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit