🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 8.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.83 AU - 1.09 AU

Year: 627 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 87,207,251 km

• M1: 110,702 km (0.102 R)
• M2: 548,725 km (0.101 R)
• M3: 1,309,580 km (0.039 R)
• M4: 1,662,182 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 8.1

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.23 AU - 1.49 AU

Year: 1058 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,207,251 km

• M1: 100,829 km (0.07 R)
• M2: 517,160 km (0.111 R)
• M3: 815,009 km (0.094 R)
• M4: 1,573,171 km (0.089 R)
• M5: 1,844,093 km (0.042 R)
• M6: 2,199,837 km (0.115 R)
• M7: 2,458,342 km (0.095 R)
• M8: 2,969,967 km (0.117 R)
• M9: 3,244,329 km (0.086 R)
• M10: 3,641,661 km (0.035 R)
• M11: 4,787,880 km (0.101 R)
• M12: 5,772,383 km (0.064 R)
• M13: 6,223,870 km (0.088 R)
• M14: 6,768,556 km (0.12 R)
• M15: 7,644,601 km (0.093 R)
• M16: 8,216,065 km (0.111 R)
• M17: 10,224,715 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 12.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.47 AU - 3.87 AU

Year: 3764 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,207,251 km

• M1: 154,235 km (0.119 R)
• M2: 861,684 km (0.107 R)
• M3: 1,603,091 km (0.114 R)
• M4: 2,090,331 km (0.083 R)
• M5: 3,246,124 km (0.046 R)
• M6: 4,117,831 km (0.118 R)
• M7: 6,159,244 km (0.069 R)
• M8: 6,574,826 km (0.066 R)
• M9: 10,222,023 km (0.079 R)
• M10: 11,578,726 km (0.05 R)
• M11: 12,085,114 km (0.091 R)
• M12: 13,278,756 km (0.061 R)
• M13: 13,787,089 km (0.089 R)
• M14: 14,404,480 km (0.108 R)
• M15: 17,332,110 km (0.085 R)
• M16: 17,883,827 km (0.097 R)
• M17: 20,148,290 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 14.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.77 AU - 3.85 AU

Year: 4959 Days

Day: 9 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,207,251 km

• M1: 262,993 km (0.117 R)
• M2: 1,120,787 km (0.099 R)
• M3: 1,617,003 km (0.085 R)
• M4: 2,347,191 km (0.111 R)
• M5: 2,905,490 km (0.089 R)
• M6: 4,272,066 km (0.073 R)
• M7: 7,121,906 km (0.084 R)
• M8: 9,052,616 km (0.104 R)
• M9: 9,576,059 km (0.095 R)
• M10: 10,318,812 km (0.083 R)
• M11: 11,269,058 km (0.1 R)
• M12: 18,714,245 km (0.098 R)
• M13: 19,689,623 km (0.108 R)
• M14: 22,751,742 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 13.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.16 AU - 5.22 AU

Year: 5719 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,207,251 km

• M1: 166,951 km (0.109 R)
• M2: 787,782 km (0.082 R)
• M3: 1,360,443 km (0.063 R)
• M4: 1,786,348 km (0.062 R)
• M5: 2,335,522 km (0.077 R)
• M6: 3,340,670 km (0.071 R)
• M7: 4,722,506 km (0.099 R)
• M8: 5,307,583 km (0.118 R)
• M9: 6,623,895 km (0.1 R)
• M10: 7,541,677 km (0.099 R)
• M11: 8,785,733 km (0.087 R)
• M12: 9,243,652 km (0.105 R)
• M13: 11,141,002 km (0.108 R)
• M14: 11,728,024 km (0.048 R)
• M15: 12,804,830 km (0.102 R)
• M16: 13,834,811 km (0.034 R)
• M17: 15,452,712 km (0.12 R)
• M18: 16,245,282 km (0.09 R)
• M19: 17,322,386 km (0.094 R)
• M20: 17,911,652 km (0.049 R)
• M21: 20,840,479 km (0.049 R)
• M22: 21,657,433 km (0.112 R)
• M23: 24,726,882 km (0.09 R)
• M24: 26,667,316 km (0.038 R)
• M25: 28,889,294 km (0.11 R)
• M26: 30,944,619 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.7

Radius: 6.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.76 AU - 11.5 AU

Year: 19928 Days

Day: 21.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,207,251 km

• M1: 78,838 km (0.111 R)
• M2: 336,446 km (0.088 R)
• M3: 933,940 km (0.108 R)
• M4: 1,141,581 km (0.052 R)
• M5: 2,202,081 km (0.118 R)
• M6: 3,424,894 km (0.1 R)
• M7: 4,207,739 km (0.057 R)
• M8: 4,475,370 km (0.109 R)
• M9: 5,565,490 km (0.079 R)
• M10: 6,606,840 km (0.103 R)
• M11: 6,932,066 km (0.097 R)
• M12: 11,299,127 km (0.079 R)
• M13: 11,504,375 km (0.059 R)
• M14: 14,106,780 km (0.116 R)
• M15: 16,942,856 km (0.097 R)
• M16: 18,036,417 km (0.068 R)
• M17: 34,181,617 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.8

Radius: 3.2

Gravity: 94.22 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.74 AU - 12 AU

Year: 20678 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,207,251 km

• M1: 50,714 km (0.031 R)
• M2: 254,316 km (0.034 R)
• M3: 390,151 km (0.083 R)
• M4: 637,736 km (0.117 R)
• M5: 1,813,276 km (0.069 R)
• M6: 2,869,437 km (0.047 R)
• M7: 3,032,050 km (0.061 R)
• M8: 3,200,946 km (0.089 R)
• M9: 3,557,288 km (0.111 R)
• M10: 4,785,187 km (0.095 R)
• M11: 6,590,534 km (0.101 R)
• M12: 7,617,972 km (0.101 R)
• M13: 8,860,682 km (0.068 R)
• M14: 9,381,731 km (0.116 R)
• M15: 9,800,755 km (0.115 R)
• M16: 10,484,417 km (0.087 R)
• M17: 13,164,463 km (0.061 R)
• M18: 13,387,813 km (0.119 R)
• M19: 18,493,887 km (0.119 R)
• M20: 19,728,070 km (0.078 R)
• M21: 19,922,547 km (0.046 R)
• M22: 21,525,937 km (0.092 R)
• M23: 23,978,145 km (0.099 R)
• M24: 25,214,123 km (0.102 R)
• M25: 25,328,565 km (0.08 R)
• M26: 26,491,988 km (0.064 R)
• M27: 27,812,339 km (0.062 R)
• M28: 37,256,602 km (0.073 R)
• M29: 39,679,788 km (0.074 R)
• M30: 55,097,195 km (0.081 R)
• M31: 56,455,843 km (0.07 R)
• M32: 59,239,710 km (0.096 R)
• M33: 64,222,515 km (0.058 R)
• M34: 85,647,623 km (0.204 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 20,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit