🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 14.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.56 AU

Year: 254 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,102,700 km

• M1: 179,667 km (0.096 R)
• M2: 820,694 km (0.12 R)
• M3: 1,314,068 km (0.091 R)
• M4: 2,131,321 km (0.09 R)
• M5: 2,581,461 km (0.081 R)
• M6: 3,770,016 km (0.103 R)
• M7: 4,310,214 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 13.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 7.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,102,700 km

• M1: 169,195 km (0.068 R)
• M2: 631,153 km (0.086 R)
• M3: 1,089,820 km (0.119 R)
• M4: 1,702,274 km (0.118 R)
• M5: 2,539,573 km (0.088 R)
• M6: 3,098,322 km (0.056 R)
• M7: 3,670,533 km (0.105 R)
• M8: 4,414,334 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 11.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.25 AU - 1.49 AU

Year: 1088 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,102,700 km

• M1: 142,118 km (0.088 R)
• M2: 508,633 km (0.108 R)
• M3: 1,011,431 km (0.112 R)
• M4: 2,414,659 km (0.111 R)
• M5: 3,383,605 km (0.03 R)
• M6: 4,179,914 km (0.1 R)
• M7: 4,557,649 km (0.11 R)
• M8: 5,361,737 km (0.074 R)
• M9: 5,830,876 km (0.07 R)
• M10: 6,397,104 km (0.103 R)
• M11: 9,007,737 km (0.076 R)
• M12: 10,272,437 km (0.097 R)
• M13: 11,935,217 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 10

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.07 AU - 4.35 AU

Year: 4847 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,102,700 km

• M1: 124,316 km (0.093 R)
• M2: 451,935 km (0.076 R)
• M3: 919,728 km (0.081 R)
• M4: 1,281,455 km (0.101 R)
• M5: 1,599,500 km (0.079 R)
• M6: 2,043,507 km (0.116 R)
• M7: 2,708,918 km (0.12 R)
• M8: 3,406,942 km (0.119 R)
• M9: 4,725,647 km (0.034 R)
• M10: 5,617,550 km (0.096 R)
• M11: 6,784,413 km (0.087 R)
• M12: 7,443,092 km (0.091 R)
• M13: 8,067,963 km (0.065 R)
• M14: 8,451,532 km (0.108 R)
• M15: 9,090,913 km (0.049 R)
• M16: 10,601,552 km (0.116 R)
• M17: 11,488,518 km (0.113 R)
• M18: 12,123,262 km (0.09 R)
• M19: 12,474,667 km (0.055 R)
• M20: 13,948,954 km (0.115 R)
• M21: 14,558,715 km (0.059 R)
• M22: 15,772,253 km (0.101 R)
• M23: 18,268,294 km (0.078 R)
• M24: 19,473,005 km (0.028 R)
• M25: 20,025,171 km (0.049 R)
• M26: 21,233,024 km (0.111 R)
• M27: 23,559,720 km (0.041 R)
• M28: 26,721,920 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 13.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.88 AU - 4.72 AU

Year: 6048 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,102,700 km

• M1: 170,691 km (0.105 R)
• M2: 698,772 km (0.062 R)
• M3: 1,216,829 km (0.09 R)
• M4: 2,124,739 km (0.098 R)
• M5: 2,582,658 km (0.103 R)
• M6: 3,087,700 km (0.079 R)
• M7: 3,790,212 km (0.05 R)
• M8: 4,299,892 km (0.069 R)
• M9: 4,750,929 km (0.11 R)
• M10: 5,808,586 km (0.072 R)
• M11: 6,521,570 km (0.119 R)
• M12: 7,503,231 km (0.082 R)
• M13: 8,123,015 km (0.059 R)
• M14: 8,659,024 km (0.114 R)
• M15: 11,136,065 km (0.038 R)
• M16: 13,464,556 km (0.11 R)
• M17: 14,216,884 km (0.104 R)
• M18: 20,501,042 km (0.075 R)
• M19: 22,080,795 km (0.085 R)
• M20: 29,306,372 km (0.11 R)
• M21: 29,843,728 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 8.6

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.6 AU - 5.4 AU

Year: 6475 Days

Day: 5.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,102,700 km

• M1: 106,962 km (0.099 R)
• M2: 574,306 km (0.117 R)
• M3: 897,438 km (0.092 R)
• M4: 1,509,742 km (0.099 R)
• M5: 3,388,093 km (0.092 R)
• M6: 6,163,283 km (0.098 R)
• M7: 7,168,880 km (0.076 R)
• M8: 12,246,979 km (0.112 R)
• M9: 14,462,673 km (0.109 R)
• M10: 18,890,621 km (0.081 R)
• M11: 19,743,329 km (0.098 R)
• M12: 20,695,669 km (0.078 R)
• M13: 21,986,848 km (0.039 R)
• M14: 32,565,212 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.4

Radius: 7.4

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.3 AU - 8.36 AU

Year: 13460 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,102,700 km

• M1: 92,003 km (0.048 R)
• M2: 429,196 km (0.039 R)
• M3: 833,709 km (0.067 R)
• M4: 1,199,027 km (0.086 R)
• M5: 1,683,724 km (0.118 R)
• M6: 2,216,292 km (0.095 R)
• M7: 2,833,533 km (0.042 R)
• M8: 3,800,833 km (0.081 R)
• M9: 4,080,880 km (0.12 R)
• M10: 4,374,840 km (0.063 R)
• M11: 4,842,184 km (0.098 R)
• M12: 9,804,644 km (0.071 R)
• M13: 10,119,548 km (0.104 R)
• M14: 10,714,648 km (0.112 R)
• M15: 11,275,491 km (0.051 R)
• M16: 12,763,541 km (0.08 R)
• M17: 15,479,939 km (0.075 R)
• M18: 15,764,025 km (0.099 R)
• M19: 16,051,552 km (0.09 R)
• M20: 19,286,008 km (0.12 R)
• M21: 19,532,396 km (0.113 R)
• M22: 20,710,329 km (0.042 R)
• M23: 23,114,517 km (0.099 R)
• M24: 25,500,902 km (0.117 R)
• M25: 26,601,194 km (0.103 R)
• M26: 29,762,197 km (0.116 R)
• M27: 30,201,716 km (0.109 R)
• M28: 32,118,364 km (0.094 R)
• M29: 35,695,698 km (0.086 R)
• M30: 36,191,914 km (0.108 R)
• M31: 36,567,105 km (0.096 R)
• M32: 36,818,729 km (0.087 R)
• M33: 37,708,238 km (0.112 R)
• M34: 44,626,391 km (0.096 R)
• M35: 45,202,193 km (0.05 R)
• M36: 46,515,962 km (0.092 R)
• M37: 48,458,341 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 17,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit