🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 11.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,177,490 km

• M1: 145,708 km (0.076 R)
• M2: 546,930 km (0.057 R)
• M3: 976,276 km (0.11 R)
• M4: 1,414,149 km (0.102 R)
• M5: 1,801,009 km (0.093 R)
• M6: 2,594,476 km (0.07 R)
• M7: 3,062,867 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.1

Radius: 8.7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.73 AU - 0.97 AU

Year: 523 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,177,490 km

• M1: 108,159 km (0.105 R)
• M2: 428,747 km (0.09 R)
• M3: 988,992 km (0.1 R)
• M4: 1,339,051 km (0.091 R)
• M5: 1,668,615 km (0.112 R)
• M6: 2,016,579 km (0.066 R)
• M7: 2,294,532 km (0.098 R)
• M8: 2,749,160 km (0.105 R)
• M9: 3,152,775 km (0.12 R)
• M10: 3,464,986 km (0.055 R)
• M11: 3,743,088 km (0.096 R)
• M12: 4,269,673 km (0.064 R)
• M13: 4,543,287 km (0.093 R)
• M14: 5,126,121 km (0.116 R)
• M15: 6,924,586 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 11.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.56 AU - 1.9 AU

Year: 1517 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,177,490 km

• M1: 140,622 km (0.047 R)
• M2: 516,113 km (0.07 R)
• M3: 931,995 km (0.079 R)
• M4: 1,350,270 km (0.09 R)
• M5: 1,858,454 km (0.075 R)
• M6: 2,425,879 km (0.063 R)
• M7: 2,854,178 km (0.039 R)
• M8: 3,211,567 km (0.099 R)
• M9: 4,033,458 km (0.081 R)
• M10: 4,386,210 km (0.095 R)
• M11: 4,990,136 km (0.12 R)
• M12: 6,050,785 km (0.098 R)
• M13: 7,538,835 km (0.079 R)
• M14: 8,355,639 km (0.074 R)
• M15: 8,745,940 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 9.1

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.14 AU - 2.68 AU

Year: 2495 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,177,490 km

• M1: 113,395 km (0.078 R)
• M2: 561,441 km (0.071 R)
• M3: 1,164,769 km (0.088 R)
• M4: 1,851,124 km (0.085 R)
• M5: 2,167,075 km (0.078 R)
• M6: 2,679,597 km (0.102 R)
• M7: 3,219,945 km (0.089 R)
• M8: 3,662,305 km (0.116 R)
• M9: 4,712,931 km (0.068 R)
• M10: 5,284,545 km (0.088 R)
• M11: 7,367,845 km (0.044 R)
• M12: 7,854,636 km (0.1 R)
• M13: 9,235,275 km (0.118 R)
• M14: 10,167,120 km (0.11 R)
• M15: 11,559,128 km (0.079 R)
• M16: 11,884,952 km (0.117 R)
• M17: 13,250,183 km (0.09 R)
• M18: 14,340,601 km (0.07 R)
• M19: 14,716,990 km (0.106 R)
• M20: 17,115,941 km (0.119 R)
• M21: 17,700,420 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 13.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.73 AU - 5.55 AU

Year: 7771 Days

Day: 14.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,177,490 km

• M1: 163,062 km (0.059 R)
• M2: 591,809 km (0.116 R)
• M3: 1,106,276 km (0.064 R)
• M4: 1,658,592 km (0.1 R)
• M5: 4,047,819 km (0.053 R)
• M6: 6,367,933 km (0.048 R)
• M7: 8,125,857 km (0.053 R)
• M8: 12,017,795 km (0.043 R)
• M9: 13,274,717 km (0.112 R)
• M10: 14,807,347 km (0.103 R)
• M11: 15,256,888 km (0.111 R)
• M12: 15,715,556 km (0.095 R)
• M13: 18,368,524 km (0.105 R)
• M14: 21,064,427 km (0.089 R)
• M15: 22,129,714 km (0.11 R)
• M16: 23,576,624 km (0.11 R)
• M17: 24,014,049 km (0.092 R)
• M18: 28,493,009 km (0.118 R)
• M19: 29,390,596 km (0.084 R)
• M20: 32,627,595 km (0.114 R)
• M21: 33,171,084 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.3

Radius: 3.8

Gravity: 31.39 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.44 AU - 12.12 AU

Year: 20396 Days

Day: 24.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,177,490 km

• M1: 48,171 km (0.116 R)
• M2: 181,612 km (0.119 R)
• M3: 365,617 km (0.092 R)
• M4: 651,349 km (0.078 R)
• M5: 1,108,819 km (0.077 R)
• M6: 1,227,151 km (0.116 R)
• M7: 1,584,989 km (0.12 R)
• M8: 1,859,801 km (0.081 R)
• M9: 2,459,688 km (0.072 R)
• M10: 2,925,536 km (0.054 R)
• M11: 5,092,162 km (0.068 R)
• M12: 5,804,697 km (0.1 R)
• M13: 7,564,566 km (0.116 R)
• M14: 9,216,575 km (0.102 R)
• M15: 10,155,003 km (0.083 R)
• M16: 10,617,858 km (0.102 R)
• M17: 11,710,521 km (0.11 R)
• M18: 15,359,662 km (0.104 R)
• M19: 15,968,974 km (0.094 R)
• M20: 18,228,800 km (0.12 R)
• M21: 20,601,272 km (0.118 R)
• M22: 23,072,928 km (0.107 R)
• M23: 24,688,137 km (0.07 R)
• M24: 28,595,035 km (0.113 R)
• M25: 29,283,783 km (0.092 R)
• M26: 29,632,346 km (0.112 R)
• M27: 30,694,491 km (0.114 R)
• M28: 35,328,136 km (0.087 R)
• M29: 36,925,542 km (0.058 R)
• M30: 38,292,866 km (0.097 R)
• M31: 42,894,945 km (0.028 R)
• M32: 45,019,235 km (0.059 R)
• M33: 45,483,437 km (0.093 R)
• M34: 49,312,245 km (0.105 R)
• M35: 54,218,307 km (0.067 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 17,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit