🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 13.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.47 AU

Year: 971 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,771,238 km

• M1: 164,109 km (0.094 R)
• M2: 683,662 km (0.075 R)
• M3: 1,097,300 km (0.054 R)
• M4: 1,665,174 km (0.113 R)
• M5: 2,693,809 km (0.034 R)
• M6: 3,138,563 km (0.116 R)
• M7: 4,249,028 km (0.114 R)
• M8: 4,856,396 km (0.046 R)
• M9: 5,692,349 km (0.117 R)

Asteroid Belt

Center: 2.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 12.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.69 AU - 3.83 AU

Year: 5125 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,771,238 km

• M1: 162,314 km (0.115 R)
• M2: 825,032 km (0.08 R)
• M3: 3,692,524 km (0.103 R)
• M4: 4,733,127 km (0.06 R)
• M5: 7,128,937 km (0.073 R)
• M6: 7,583,266 km (0.079 R)
• M7: 9,770,985 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 12.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.68 AU - 6.06 AU

Year: 7554 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,771,238 km

• M1: 154,385 km (0.118 R)
• M2: 689,945 km (0.101 R)
• M3: 1,083,238 km (0.074 R)
• M4: 2,366,190 km (0.081 R)
• M5: 2,867,791 km (0.109 R)
• M6: 3,516,448 km (0.05 R)
• M7: 4,440,364 km (0.079 R)
• M8: 6,766,611 km (0.079 R)
• M9: 7,919,711 km (0.114 R)
• M10: 8,437,320 km (0.104 R)
• M11: 8,903,916 km (0.105 R)
• M12: 9,811,077 km (0.09 R)
• M13: 13,768,390 km (0.051 R)
• M14: 14,164,974 km (0.063 R)
• M15: 14,722,525 km (0.113 R)
• M16: 15,506,567 km (0.068 R)
• M17: 16,373,337 km (0.063 R)
• M18: 17,733,780 km (0.084 R)
• M19: 19,600,762 km (0.108 R)
• M20: 20,039,832 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.8

Radius: 10.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.23 AU - 5.57 AU

Year: 7624 Days

Day: 10.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,771,238 km

• M1: 132,843 km (0.103 R)
• M2: 555,158 km (0.05 R)
• M3: 1,784,254 km (0.086 R)
• M4: 2,366,489 km (0.079 R)
• M5: 2,796,732 km (0.085 R)
• M6: 3,495,803 km (0.076 R)
• M7: 4,307,820 km (0.097 R)
• M8: 5,818,011 km (0.092 R)
• M9: 6,403,686 km (0.095 R)
• M10: 6,885,840 km (0.053 R)
• M11: 8,767,482 km (0.083 R)
• M12: 10,539,918 km (0.107 R)
• M13: 12,017,646 km (0.12 R)
• M14: 12,968,041 km (0.033 R)
• M15: 14,082,096 km (0.056 R)
• M16: 18,831,530 km (0.099 R)
• M17: 19,536,136 km (0.032 R)
• M18: 20,185,390 km (0.098 R)
• M19: 23,165,829 km (0.109 R)
• M20: 24,386,547 km (0.11 R)
• M21: 28,305,563 km (0.075 R)
• M22: 29,136,878 km (0.056 R)
• M23: 29,889,355 km (0.045 R)
• M24: 30,366,273 km (0.099 R)
• M25: 35,524,558 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 14

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.98 AU - 5.9 AU

Year: 7718 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,771,238 km

• M1: 174,730 km (0.042 R)
• M2: 1,713,793 km (0.074 R)
• M3: 2,415,407 km (0.1 R)
• M4: 2,851,784 km (0.068 R)
• M5: 3,418,611 km (0.098 R)
• M6: 4,635,440 km (0.09 R)
• M7: 5,160,229 km (0.108 R)
• M8: 6,851,582 km (0.095 R)
• M9: 7,535,095 km (0.073 R)
• M10: 10,106,383 km (0.117 R)
• M11: 11,036,882 km (0.118 R)
• M12: 14,485,412 km (0.089 R)
• M13: 16,454,270 km (0.094 R)
• M14: 18,970,057 km (0.104 R)
• M15: 22,078,551 km (0.084 R)
• M16: 24,010,159 km (0.101 R)
• M17: 25,819,844 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.5

Radius: 10.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.61 AU - 5.71 AU

Year: 8239 Days

Day: 14.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,771,238 km

• M1: 131,497 km (0.111 R)
• M2: 624,122 km (0.07 R)
• M3: 1,060,200 km (0.079 R)
• M4: 1,613,413 km (0.047 R)
• M5: 1,949,709 km (0.119 R)
• M6: 2,888,884 km (0.065 R)
• M7: 3,483,686 km (0.118 R)
• M8: 3,823,123 km (0.098 R)
• M9: 4,799,399 km (0.047 R)
• M10: 5,128,813 km (0.065 R)
• M11: 6,209,060 km (0.06 R)
• M12: 7,395,072 km (0.111 R)
• M13: 10,808,596 km (0.088 R)
• M14: 11,324,559 km (0.119 R)
• M15: 18,063,344 km (0.039 R)
• M16: 18,938,043 km (0.03 R)
• M17: 19,536,884 km (0.098 R)
• M18: 23,312,435 km (0.109 R)
• M19: 25,416,379 km (0.064 R)
• M20: 27,739,335 km (0.105 R)
• M21: 29,100,376 km (0.119 R)
• M22: 37,742,346 km (0.1 R)
• M23: 38,690,497 km (0.064 R)
• M24: 41,006,272 km (0.062 R)
• M25: 42,261,398 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 6.9

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.77 AU - 8.49 AU

Year: 14815 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,771,238 km

• M1: 93,648 km (0.086 R)
• M2: 317,297 km (0.096 R)
• M3: 790,625 km (0.117 R)
• M4: 1,070,373 km (0.116 R)
• M5: 1,517,072 km (0.081 R)
• M6: 1,955,244 km (0.067 R)
• M7: 4,559,145 km (0.081 R)
• M8: 4,916,384 km (0.112 R)
• M9: 5,948,311 km (0.098 R)
• M10: 6,335,619 km (0.116 R)
• M11: 10,118,351 km (0.072 R)
• M12: 12,385,357 km (0.097 R)
• M13: 13,017,109 km (0.116 R)
• M14: 13,803,246 km (0.071 R)
• M15: 18,295,221 km (0.108 R)
• M16: 18,701,679 km (0.096 R)
• M17: 19,364,547 km (0.12 R)
• M18: 22,357,103 km (0.106 R)
• M19: 24,449,678 km (0.032 R)
• M20: 25,847,371 km (0.029 R)
• M21: 28,149,831 km (0.087 R)
• M22: 33,762,743 km (0.045 R)
• M23: 36,381,005 km (0.055 R)
• M24: 38,863,732 km (0.068 R)
• M25: 48,673,612 km (0.104 R)
• M26: 49,926,045 km (0.066 R)
• M27: 52,169,415 km (0.066 R)
• M28: 57,200,990 km (0.05 R)
• M29: 58,771,169 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 11,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit