🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 8.3

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.4 AU - 1.86 AU

Year: 1365 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,764,338 km

• M1: 105,167 km (0.049 R)
• M2: 394,340 km (0.078 R)
• M3: 1,064,538 km (0.09 R)
• M4: 1,439,132 km (0.038 R)
• M5: 1,910,963 km (0.102 R)
• M6: 2,344,947 km (0.071 R)
• M7: 2,612,128 km (0.101 R)
• M8: 2,871,531 km (0.118 R)
• M9: 3,239,243 km (0.092 R)
• M10: 4,087,313 km (0.078 R)
• M11: 4,612,102 km (0.099 R)
• M12: 6,003,512 km (0.088 R)
• M13: 6,336,517 km (0.076 R)
• M14: 6,606,840 km (0.059 R)
• M15: 7,039,777 km (0.091 R)
• M16: 7,962,197 km (0.107 R)
• M17: 9,024,492 km (0.079 R)
• M18: 9,881,089 km (0.109 R)
• M19: 11,106,296 km (0.114 R)
• M20: 12,164,551 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 13.2

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.08 AU - 2.36 AU

Year: 2170 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,764,338 km

• M1: 168,746 km (0.115 R)
• M2: 720,912 km (0.074 R)
• M3: 1,321,548 km (0.039 R)
• M4: 1,991,896 km (0.051 R)
• M5: 2,418,848 km (0.085 R)
• M6: 3,212,315 km (0.086 R)
• M7: 6,128,726 km (0.095 R)
• M8: 6,827,048 km (0.116 R)
• M9: 7,734,509 km (0.092 R)
• M10: 9,009,083 km (0.077 R)
• M11: 10,843,452 km (0.08 R)
• M12: 11,518,438 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.5

Radius: 10.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.36 AU - 3.88 AU

Year: 3615 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,764,338 km

• M1: 130,599 km (0.097 R)
• M2: 538,104 km (0.065 R)
• M3: 2,103,047 km (0.076 R)
• M4: 3,175,664 km (0.088 R)
• M5: 3,508,968 km (0.113 R)
• M6: 4,298,096 km (0.07 R)
• M7: 5,380,437 km (0.11 R)
• M8: 5,964,018 km (0.052 R)
• M9: 8,870,406 km (0.105 R)
• M10: 10,455,096 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 3.2

Gravity: 34.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.27 AU - 7.43 AU

Year: 10497 Days

Day: 18.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,764,338 km

• M1: 40,391 km (0.095 R)
• M2: 181,911 km (0.115 R)
• M3: 347,965 km (0.089 R)
• M4: 498,011 km (0.12 R)
• M5: 602,431 km (0.106 R)
• M6: 786,885 km (0.071 R)
• M7: 901,926 km (0.066 R)
• M8: 1,613,712 km (0.062 R)
• M9: 2,795,535 km (0.039 R)
• M10: 3,467,379 km (0.09 R)
• M11: 3,928,739 km (0.087 R)
• M12: 5,151,851 km (0.11 R)
• M13: 6,050,187 km (0.065 R)
• M14: 8,027,422 km (0.089 R)
• M15: 8,656,630 km (0.093 R)
• M16: 8,961,212 km (0.094 R)
• M17: 10,691,161 km (0.087 R)
• M18: 11,818,531 km (0.119 R)
• M19: 14,427,518 km (0.103 R)
• M20: 14,793,733 km (0.087 R)
• M21: 16,124,706 km (0.101 R)
• M22: 16,987,437 km (0.113 R)
• M23: 20,210,972 km (0.089 R)
• M24: 20,901,216 km (0.089 R)
• M25: 23,819,422 km (0.12 R)
• M26: 24,245,177 km (0.12 R)
• M27: 25,819,396 km (0.04 R)
• M28: 28,880,318 km (0.073 R)
• M29: 31,455,645 km (0.071 R)
• M30: 31,762,321 km (0.089 R)
• M31: 34,939,331 km (0.109 R)
• M32: 35,932,212 km (0.085 R)
• M33: 38,788,634 km (0.106 R)
• M34: 39,259,268 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.4

Radius: 4.9

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.24 AU - 8.92 AU

Year: 16487 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,764,338 km

• M1: 61,036 km (0.103 R)
• M2: 420,819 km (0.039 R)
• M3: 734,077 km (0.104 R)
• M4: 998,117 km (0.071 R)
• M5: 1,365,081 km (0.112 R)
• M6: 1,635,254 km (0.106 R)
• M7: 1,869,375 km (0.116 R)
• M8: 2,510,551 km (0.076 R)
• M9: 3,339,473 km (0.031 R)
• M10: 3,579,279 km (0.101 R)
• M11: 4,431,089 km (0.04 R)
• M12: 6,943,436 km (0.102 R)
• M13: 8,018,895 km (0.094 R)
• M14: 9,566,485 km (0.076 R)
• M15: 10,160,538 km (0.116 R)
• M16: 10,438,491 km (0.116 R)
• M17: 19,148,079 km (0.092 R)
• M18: 20,089,348 km (0.061 R)
• M19: 20,351,444 km (0.065 R)
• M20: 24,065,959 km (0.106 R)
• M21: 24,460,449 km (0.088 R)
• M22: 25,364,169 km (0.094 R)
• M23: 28,099,267 km (0.107 R)
• M24: 35,148,020 km (0.115 R)
• M25: 35,528,597 km (0.118 R)
• M26: 38,135,489 km (0.091 R)
• M27: 42,710,940 km (0.09 R)
• M28: 58,073,445 km (0.107 R)
• M29: 58,250,269 km (0.069 R)
• M30: 59,319,146 km (0.093 R)
• M31: 59,858,297 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 11,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit