🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.88 AU

Year: 429 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,259,780 km

• M1: 171,589 km (0.107 R)
• M2: 699,520 km (0.071 R)
• M3: 1,545,645 km (0.081 R)
• M4: 2,149,273 km (0.091 R)
• M5: 2,600,909 km (0.102 R)
• M6: 3,335,135 km (0.09 R)
• M7: 3,816,242 km (0.044 R)
• M8: 4,592,056 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 10.8

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.51 AU - 1.59 AU

Year: 1356 Days

Day: 8.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,259,780 km

• M1: 134,339 km (0.103 R)
• M2: 527,183 km (0.063 R)
• M3: 1,024,446 km (0.037 R)
• M4: 1,406,669 km (0.09 R)
• M5: 1,806,394 km (0.052 R)
• M6: 2,458,791 km (0.071 R)
• M7: 3,381,361 km (0.074 R)
• M8: 4,057,842 km (0.071 R)
• M9: 4,465,197 km (0.081 R)
• M10: 4,860,884 km (0.032 R)
• M11: 5,467,054 km (0.099 R)
• M12: 6,283,410 km (0.07 R)
• M13: 7,028,258 km (0.104 R)
• M14: 7,750,516 km (0.094 R)
• M15: 9,313,066 km (0.105 R)
• M16: 11,178,102 km (0.05 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 4.9

Gravity: 37.75 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.67 AU - 5.67 AU

Year: 9490 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,259,780 km

• M1: 61,485 km (0.1 R)
• M2: 460,911 km (0.116 R)
• M3: 686,654 km (0.081 R)
• M4: 902,524 km (0.076 R)
• M5: 1,175,241 km (0.063 R)
• M6: 1,918,443 km (0.113 R)
• M7: 2,145,233 km (0.092 R)
• M8: 2,409,423 km (0.092 R)
• M9: 3,141,854 km (0.114 R)
• M10: 3,457,955 km (0.083 R)
• M11: 3,610,694 km (0.053 R)
• M12: 4,937,478 km (0.07 R)
• M13: 6,180,038 km (0.107 R)
• M14: 6,443,928 km (0.085 R)
• M15: 6,636,910 km (0.068 R)
• M16: 7,198,051 km (0.036 R)
• M17: 7,405,843 km (0.045 R)
• M18: 8,053,601 km (0.078 R)
• M19: 9,411,651 km (0.066 R)
• M20: 11,024,765 km (0.118 R)
• M21: 11,413,121 km (0.095 R)
• M22: 12,275,552 km (0.112 R)
• M23: 14,000,566 km (0.085 R)
• M24: 14,521,615 km (0.056 R)
• M25: 15,258,983 km (0.051 R)
• M26: 16,954,076 km (0.102 R)
• M27: 20,964,945 km (0.064 R)
• M28: 21,474,774 km (0.097 R)
• M29: 26,049,477 km (0.083 R)
• M30: 26,737,627 km (0.076 R)
• M31: 26,936,443 km (0.119 R)
• M32: 27,236,536 km (0.112 R)
• M33: 29,400,021 km (0.112 R)
• M34: 32,798,884 km (0.114 R)
• M35: 37,809,067 km (0.105 R)
• M36: 38,563,938 km (0.074 R)
• M37: 40,495,246 km (0.119 R)
• M38: 42,625,220 km (0.107 R)
• M39: 47,980,974 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.6

Radius: 4.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.07 AU - 7.77 AU

Year: 12796 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,259,780 km

• M1: 647,460 km (0.075 R)
• M2: 1,021,753 km (0.1 R)
• M3: 2,391,472 km (0.079 R)
• M4: 2,800,023 km (0.097 R)
• M5: 4,329,512 km (0.107 R)
• M6: 6,374,365 km (0.094 R)
• M7: 9,798,062 km (0.115 R)
• M8: 11,660,855 km (0.11 R)
• M9: 12,774,910 km (0.086 R)
• M10: 17,384,918 km (0.114 R)
• M11: 17,631,605 km (0.104 R)
• M12: 18,194,991 km (0.071 R)
• M13: 19,822,765 km (0.061 R)
• M14: 21,263,243 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.3

Radius: 6.1

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.73 AU - 11.03 AU

Year: 18601 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,259,780 km

• M1: 102,026 km (0.108 R)
• M2: 338,091 km (0.099 R)
• M3: 558,748 km (0.066 R)
• M4: 808,726 km (0.051 R)
• M5: 1,073,365 km (0.115 R)
• M6: 1,367,175 km (0.11 R)
• M7: 2,098,110 km (0.112 R)
• M8: 2,849,839 km (0.085 R)
• M9: 3,657,219 km (0.119 R)
• M10: 3,852,594 km (0.08 R)
• M11: 4,480,905 km (0.105 R)
• M12: 5,787,942 km (0.112 R)
• M13: 6,092,523 km (0.1 R)
• M14: 8,630,301 km (0.073 R)
• M15: 11,616,574 km (0.04 R)
• M16: 11,857,426 km (0.106 R)
• M17: 16,631,094 km (0.088 R)
• M18: 17,481,858 km (0.064 R)
• M19: 18,853,371 km (0.101 R)
• M20: 20,381,962 km (0.116 R)
• M21: 21,355,844 km (0.083 R)
• M22: 21,808,527 km (0.108 R)
• M23: 22,453,144 km (0.054 R)
• M24: 23,300,467 km (0.118 R)
• M25: 23,491,653 km (0.08 R)
• M26: 23,877,017 km (0.085 R)
• M27: 26,798,663 km (0.04 R)
• M28: 30,403,374 km (0.115 R)
• M29: 31,556,324 km (0.093 R)
• M30: 32,143,646 km (0.044 R)
• M31: 32,738,148 km (0.11 R)
• M32: 33,582,927 km (0.06 R)
• M33: 33,826,921 km (0.113 R)
• M34: 34,318,350 km (0.106 R)
• M35: 34,814,566 km (0.081 R)
• M36: 36,076,275 km (0.087 R)
• M37: 42,558,201 km (0.09 R)
• M38: 42,843,933 km (0.087 R)
• M39: 55,353,007 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.7

Radius: 4.1

Gravity: 56.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.58 AU - 10.68 AU

Year: 19392 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,259,780 km

• M1: 51,162 km (0.105 R)
• M2: 194,776 km (0.117 R)
• M3: 512,373 km (0.115 R)
• M4: 877,990 km (0.092 R)
• M5: 1,117,197 km (0.111 R)
• M6: 1,398,441 km (0.093 R)
• M7: 1,652,608 km (0.07 R)
• M8: 5,619,644 km (0.049 R)
• M9: 6,853,078 km (0.04 R)
• M10: 7,837,432 km (0.065 R)
• M11: 8,256,306 km (0.08 R)
• M12: 12,229,626 km (0.088 R)
• M13: 14,275,826 km (0.106 R)
• M14: 14,663,733 km (0.047 R)
• M15: 17,755,771 km (0.058 R)
• M16: 18,385,878 km (0.098 R)
• M17: 18,568,686 km (0.086 R)
• M18: 20,365,656 km (0.076 R)
• M19: 22,378,944 km (0.114 R)
• M20: 26,562,299 km (0.066 R)
• M21: 29,832,359 km (0.117 R)
• M22: 33,090,301 km (0.107 R)
• M23: 35,436,295 km (0.053 R)
• M24: 36,004,019 km (0.058 R)
• M25: 36,577,577 km (0.065 R)
• M26: 42,176,427 km (0.109 R)
• M27: 46,097,686 km (0.069 R)
• M28: 46,435,029 km (0.114 R)
• M29: 46,774,018 km (0.036 R)
• M30: 57,923,248 km (0.106 R)
• M31: 58,513,113 km (0.07 R)
• M32: 58,908,500 km (0.108 R)
• M33: 67,630,355 km (0.109 R)
• M34: 72,980,723 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 19,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit