🌌 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: 712.9

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.64 AU - 0.78 AU

Year: 406 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,494,085 km

• M1: 175,329 km (0.105 R)
• M2: 623,674 km (0.068 R)
• M3: 1,232,387 km (0.099 R)
• M4: 1,745,059 km (0.076 R)
• M5: 2,276,880 km (0.077 R)
• M6: 3,011,704 km (0.084 R)
• M7: 4,161,813 km (0.099 R)
• M8: 4,988,042 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 9

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.1 AU - 1.24 AU

Year: 858 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,494,085 km

• M1: 111,899 km (0.08 R)
• M2: 439,967 km (0.062 R)
• M3: 883,824 km (0.083 R)
• M4: 1,425,369 km (0.115 R)
• M5: 1,726,808 km (0.066 R)
• M6: 2,020,618 km (0.088 R)
• M7: 2,686,479 km (0.095 R)
• M8: 3,057,481 km (0.058 R)
• M9: 3,716,161 km (0.096 R)
• M10: 4,211,330 km (0.085 R)
• M11: 4,518,604 km (0.102 R)
• M12: 4,951,839 km (0.112 R)
• M13: 5,552,175 km (0.105 R)
• M14: 5,838,805 km (0.103 R)
• M15: 6,178,392 km (0.053 R)
• M16: 6,712,756 km (0.064 R)
• M17: 7,899,366 km (0.04 R)
• M18: 8,368,505 km (0.112 R)
• M19: 10,007,948 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 9

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.21 AU - 1.29 AU

Year: 948 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,494,085 km

• M1: 111,899 km (0.086 R)
• M2: 427,551 km (0.112 R)
• M3: 792,121 km (0.097 R)
• M4: 1,372,411 km (0.071 R)
• M5: 1,739,225 km (0.092 R)
• M6: 2,026,453 km (0.112 R)
• M7: 2,735,397 km (0.048 R)
• M8: 3,265,722 km (0.112 R)
• M9: 3,630,890 km (0.061 R)
• M10: 4,837,995 km (0.108 R)
• M11: 5,452,842 km (0.094 R)
• M12: 6,539,372 km (0.035 R)
• M13: 7,340,020 km (0.12 R)
• M14: 8,525,283 km (0.067 R)
• M15: 9,480,017 km (0.045 R)
• M16: 10,073,921 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 12.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.62 AU - 2.04 AU

Year: 1679 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,494,085 km

• M1: 153,039 km (0.092 R)
• M2: 598,990 km (0.12 R)
• M3: 1,062,893 km (0.065 R)
• M4: 1,568,384 km (0.048 R)
• M5: 2,408,526 km (0.11 R)
• M6: 2,883,200 km (0.075 R)
• M7: 3,435,515 km (0.099 R)
• M8: 4,022,986 km (0.059 R)
• M9: 4,469,835 km (0.085 R)
• M10: 5,110,562 km (0.087 R)
• M11: 6,970,214 km (0.085 R)
• M12: 8,305,225 km (0.039 R)
• M13: 9,275,517 km (0.096 R)
• M14: 10,059,709 km (0.049 R)
• M15: 10,819,816 km (0.077 R)
• M16: 11,796,390 km (0.097 R)
• M17: 12,641,768 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 9.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.01 AU - 2.25 AU

Year: 2108 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,494,085 km

• M1: 168,746 km (0.094 R)
• M2: 477,367 km (0.045 R)
• M3: 794,215 km (0.114 R)
• M4: 1,123,181 km (0.066 R)
• M5: 1,552,228 km (0.042 R)
• M6: 3,249,116 km (0.107 R)
• M7: 3,956,564 km (0.094 R)
• M8: 5,676,192 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 13.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.79 AU - 3.01 AU

Year: 3350 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,494,085 km

• M1: 172,935 km (0.095 R)
• M2: 626,665 km (0.101 R)
• M3: 1,159,832 km (0.115 R)
• M4: 1,704,518 km (0.102 R)
• M5: 2,930,622 km (0.08 R)
• M6: 4,237,060 km (0.089 R)
• M7: 5,010,033 km (0.042 R)
• M8: 5,456,283 km (0.054 R)
• M9: 5,902,234 km (0.073 R)
• M10: 6,544,458 km (0.111 R)
• M11: 7,547,063 km (0.113 R)
• M12: 8,338,885 km (0.076 R)
• M13: 9,781,158 km (0.087 R)
• M14: 11,681,649 km (0.067 R)
• M15: 12,696,521 km (0.081 R)
• M16: 14,851,329 km (0.038 R)
• M17: 15,309,996 km (0.074 R)
• M18: 16,907,851 km (0.067 R)
• M19: 17,747,244 km (0.056 R)
• M20: 18,614,164 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.9

Radius: 5.3

Gravity: 32.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.68 AU - 11.76 AU

Year: 22160 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,494,085 km

• M1: 66,421 km (0.077 R)
• M2: 281,094 km (0.062 R)
• M3: 781,350 km (0.089 R)
• M4: 992,432 km (0.056 R)
• M5: 1,619,696 km (0.096 R)
• M6: 1,925,773 km (0.114 R)
• M7: 2,808,102 km (0.083 R)
• M8: 3,135,871 km (0.116 R)
• M9: 4,669,548 km (0.077 R)
• M10: 5,411,553 km (0.067 R)
• M11: 5,832,372 km (0.086 R)
• M12: 6,644,240 km (0.113 R)
• M13: 8,324,224 km (0.079 R)
• M14: 9,894,254 km (0.025 R)
• M15: 10,522,714 km (0.111 R)
• M16: 10,716,443 km (0.106 R)
• M17: 11,446,930 km (0.103 R)
• M18: 13,991,739 km (0.097 R)
• M19: 14,383,686 km (0.111 R)
• M20: 14,622,294 km (0.037 R)
• M21: 16,714,720 km (0.115 R)
• M22: 17,604,827 km (0.067 R)
• M23: 18,619,998 km (0.081 R)
• M24: 19,094,074 km (0.049 R)
• M25: 19,771,303 km (0.059 R)
• M26: 21,482,404 km (0.118 R)
• M27: 22,003,902 km (0.05 R)
• M28: 29,443,853 km (0.111 R)
• M29: 32,073,185 km (0.103 R)
• M30: 32,617,273 km (0.113 R)
• M31: 37,193,023 km (0.114 R)
• M32: 38,859,692 km (0.118 R)
• M33: 40,734,004 km (0.039 R)
• M34: 41,371,890 km (0.111 R)
• M35: 42,504,196 km (0.052 R)
• M36: 42,831,516 km (0.114 R)
• M37: 43,325,638 km (0.106 R)
• M38: 59,361,632 km (0.099 R)
• M39: 60,801,212 km (0.081 R)
• M40: 66,571,651 km (0.093 R)
• M41: 72,230,340 km (0.071 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: 400 - 17,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit