🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20

Radius: 12.5

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.78 AU - 1.06 AU

Year: 570 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,179,467 km

• M1: 155,432 km (0.119 R)
• M2: 793,766 km (0.06 R)
• M3: 1,562,550 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.8

Radius: 14.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.05 AU - 1.59 AU

Year: 979 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,179,467 km

• M1: 185,352 km (0.101 R)
• M2: 1,494,333 km (0.071 R)
• M3: 2,980,289 km (0.117 R)
• M4: 4,623,621 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 12.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.51 AU - 1.71 AU

Year: 1319 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,179,467 km

• M1: 160,519 km (0.087 R)
• M2: 638,035 km (0.109 R)
• M3: 1,252,134 km (0.046 R)
• M4: 1,716,935 km (0.116 R)
• M5: 2,156,005 km (0.072 R)
• M6: 2,567,997 km (0.104 R)
• M7: 3,084,110 km (0.066 R)
• M8: 4,151,640 km (0.099 R)
• M9: 4,762,598 km (0.108 R)
• M10: 5,264,199 km (0.111 R)
• M11: 7,007,463 km (0.087 R)
• M12: 7,682,449 km (0.112 R)
• M13: 8,374,788 km (0.101 R)
• M14: 9,081,488 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 14.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.54 AU - 1.74 AU

Year: 1356 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,179,467 km

• M1: 177,124 km (0.038 R)
• M2: 619,335 km (0.098 R)
• M3: 1,084,585 km (0.068 R)
• M4: 1,796,670 km (0.101 R)
• M5: 2,442,634 km (0.098 R)
• M6: 3,898,820 km (0.114 R)
• M7: 5,316,858 km (0.104 R)
• M8: 5,829,829 km (0.103 R)
• M9: 7,207,925 km (0.12 R)
• M10: 8,390,945 km (0.102 R)
• M11: 9,178,727 km (0.037 R)
• M12: 11,106,445 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 11.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.3 AU - 2.52 AU

Year: 2416 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,179,467 km

• M1: 143,464 km (0.092 R)
• M2: 508,782 km (0.051 R)
• M3: 952,041 km (0.081 R)
• M4: 1,341,893 km (0.104 R)
• M5: 1,710,053 km (0.085 R)
• M6: 2,460,436 km (0.106 R)
• M7: 2,974,305 km (0.111 R)
• M8: 3,666,644 km (0.096 R)
• M9: 4,442,758 km (0.083 R)
• M10: 5,162,922 km (0.094 R)
• M11: 5,933,949 km (0.106 R)
• M12: 6,615,667 km (0.087 R)
• M13: 6,975,599 km (0.111 R)
• M14: 7,407,339 km (0.059 R)
• M15: 8,356,387 km (0.11 R)
• M16: 9,628,269 km (0.12 R)
• M17: 10,569,987 km (0.092 R)
• M18: 11,414,018 km (0.111 R)
• M19: 12,302,480 km (0.097 R)
• M20: 13,411,000 km (0.076 R)
• M21: 15,197,199 km (0.034 R)
• M22: 15,582,413 km (0.083 R)
• M23: 17,240,706 km (0.103 R)
• M24: 17,765,645 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 12.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.69 AU - 3.43 AU

Year: 3456 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,179,467 km

• M1: 153,039 km (0.109 R)
• M2: 565,031 km (0.068 R)
• M3: 977,024 km (0.114 R)
• M4: 1,437,037 km (0.064 R)
• M5: 2,697,698 km (0.112 R)
• M6: 3,239,991 km (0.063 R)
• M7: 4,223,597 km (0.094 R)
• M8: 4,834,405 km (0.088 R)
• M9: 5,291,277 km (0.094 R)
• M10: 6,146,079 km (0.096 R)
• M11: 6,775,886 km (0.094 R)
• M12: 8,200,207 km (0.113 R)
• M13: 8,889,554 km (0.11 R)
• M14: 9,735,829 km (0.099 R)
• M15: 10,301,758 km (0.046 R)
• M16: 15,705,383 km (0.083 R)
• M17: 16,541,336 km (0.081 R)
• M18: 20,576,140 km (0.105 R)
• M19: 24,331,495 km (0.096 R)
• M20: 25,148,898 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.6

Radius: 6.6

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.14 AU - 10.2 AU

Year: 17930 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,179,467 km

• M1: 82,428 km (0.049 R)
• M2: 749,785 km (0.05 R)
• M3: 1,066,334 km (0.113 R)
• M4: 1,378,694 km (0.078 R)
• M5: 2,028,697 km (0.081 R)
• M6: 3,068,552 km (0.094 R)
• M7: 3,675,171 km (0.102 R)
• M8: 4,038,245 km (0.084 R)
• M9: 5,935,146 km (0.084 R)
• M10: 6,521,420 km (0.111 R)
• M11: 7,760,240 km (0.119 R)
• M12: 8,005,730 km (0.073 R)
• M13: 10,634,464 km (0.056 R)
• M14: 11,561,372 km (0.06 R)
• M15: 11,882,110 km (0.039 R)
• M16: 12,208,682 km (0.097 R)
• M17: 13,154,889 km (0.105 R)
• M18: 14,149,116 km (0.119 R)
• M19: 15,116,416 km (0.029 R)
• M20: 15,655,118 km (0.112 R)
• M21: 16,852,499 km (0.099 R)
• M22: 23,154,160 km (0.084 R)
• M23: 27,899,255 km (0.058 R)
• M24: 29,893,843 km (0.076 R)
• M25: 32,233,404 km (0.102 R)
• M26: 32,486,674 km (0.042 R)
• M27: 33,125,307 km (0.09 R)
• M28: 36,996,002 km (0.077 R)
• M29: 38,824,836 km (0.108 R)
• M30: 42,814,462 km (0.042 R)
• M31: 49,718,703 km (0.09 R)
• M32: 53,168,430 km (0.078 R)
• M33: 54,771,520 km (0.113 R)
• M34: 55,494,377 km (0.056 R)
• M35: 62,484,039 km (0.104 R)
• M36: 63,273,167 km (0.058 R)
• M37: 66,906,152 km (0.075 R)
• M38: 71,103,419 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 18,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit