🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 14.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.76 AU - 1.18 AU

Year: 637 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,301,492 km

• M1: 192,084 km (0.088 R)
• M2: 853,905 km (0.12 R)
• M3: 1,415,944 km (0.072 R)
• M4: 2,019,721 km (0.107 R)
• M5: 2,505,166 km (0.107 R)
• M6: 3,044,765 km (0.103 R)
• M7: 3,994,263 km (0.112 R)
• M8: 6,113,018 km (0.077 R)
• M9: 7,014,495 km (0.066 R)
• M10: 7,555,141 km (0.047 R)
• M11: 8,493,419 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 12.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.3 AU - 2.5 AU

Year: 2479 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,301,492 km

• M1: 153,039 km (0.085 R)
• M2: 748,438 km (0.044 R)
• M3: 1,195,885 km (0.12 R)
• M4: 1,844,392 km (0.099 R)
• M5: 2,411,368 km (0.074 R)
• M6: 3,134,823 km (0.082 R)
• M7: 3,998,153 km (0.093 R)
• M8: 4,522,643 km (0.079 R)
• M9: 5,416,191 km (0.089 R)
• M10: 6,104,640 km (0.057 R)
• M11: 6,634,965 km (0.109 R)
• M12: 9,948,707 km (0.06 R)
• M13: 10,424,578 km (0.106 R)
• M14: 10,849,436 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 8.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.35 AU - 2.61 AU

Year: 2604 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,301,492 km

• M1: 104,120 km (0.089 R)
• M2: 422,315 km (0.072 R)
• M3: 1,289,085 km (0.1 R)
• M4: 2,061,758 km (0.074 R)
• M5: 2,613,475 km (0.088 R)
• M6: 3,210,520 km (0.114 R)
• M7: 3,515,400 km (0.102 R)
• M8: 4,086,116 km (0.039 R)
• M9: 4,465,496 km (0.11 R)
• M10: 5,134,947 km (0.108 R)
• M11: 5,869,622 km (0.079 R)
• M12: 6,353,422 km (0.086 R)
• M13: 7,086,451 km (0.058 R)
• M14: 8,057,491 km (0.073 R)
• M15: 8,687,747 km (0.101 R)
• M16: 10,479,929 km (0.055 R)
• M17: 10,926,180 km (0.071 R)
• M18: 12,097,381 km (0.104 R)
• M19: 15,483,529 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831

Radius: 4.9

Gravity: 34.61 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.49 AU - 7.43 AU

Year: 10949 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 112.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,301,492 km

• M1: 63,429 km (0.075 R)
• M2: 247,734 km (0.108 R)
• M3: 421,417 km (0.063 R)
• M4: 703,858 km (0.115 R)
• M5: 1,630,467 km (0.083 R)
• M6: 1,992,644 km (0.044 R)
• M7: 2,347,041 km (0.118 R)
• M8: 5,375,500 km (0.106 R)
• M9: 5,874,559 km (0.063 R)
• M10: 6,135,457 km (0.043 R)
• M11: 7,047,107 km (0.106 R)
• M12: 8,842,281 km (0.056 R)
• M13: 9,741,365 km (0.092 R)
• M14: 10,266,453 km (0.056 R)
• M15: 11,430,025 km (0.04 R)
• M16: 12,373,838 km (0.083 R)
• M17: 14,752,893 km (0.036 R)
• M18: 15,941,747 km (0.034 R)
• M19: 16,596,238 km (0.074 R)
• M20: 18,429,111 km (0.086 R)
• M21: 19,394,317 km (0.107 R)
• M22: 23,037,623 km (0.107 R)
• M23: 25,507,634 km (0.11 R)
• M24: 28,358,969 km (0.102 R)
• M25: 28,996,406 km (0.111 R)
• M26: 30,742,961 km (0.109 R)
• M27: 31,190,408 km (0.053 R)
• M28: 33,847,266 km (0.054 R)
• M29: 34,204,656 km (0.051 R)
• M30: 39,474,689 km (0.105 R)
• M31: 39,738,281 km (0.077 R)
• M32: 40,939,252 km (0.064 R)
• M33: 42,164,160 km (0.103 R)
• M34: 42,994,129 km (0.077 R)
• M35: 44,829,844 km (0.088 R)
• M36: 50,184,850 km (0.102 R)
• M37: 50,649,501 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820

Radius: 3.8

Gravity: 56.79 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.89 AU - 12.45 AU

Year: 23242 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,301,492 km

• M1: 47,572 km (0.106 R)
• M2: 169,345 km (0.097 R)
• M3: 373,247 km (0.098 R)
• M4: 997,668 km (0.031 R)
• M5: 2,269,400 km (0.108 R)
• M6: 3,196,757 km (0.108 R)
• M7: 4,006,680 km (0.096 R)
• M8: 5,759,518 km (0.063 R)
• M9: 5,932,603 km (0.077 R)
• M10: 7,343,460 km (0.079 R)
• M11: 8,072,600 km (0.057 R)
• M12: 13,260,056 km (0.079 R)
• M13: 16,576,491 km (0.085 R)
• M14: 18,565,245 km (0.054 R)
• M15: 19,422,740 km (0.109 R)
• M16: 20,910,042 km (0.095 R)
• M17: 21,319,043 km (0.08 R)
• M18: 26,891,564 km (0.095 R)
• M19: 27,497,136 km (0.091 R)
• M20: 30,269,484 km (0.044 R)
• M21: 32,672,025 km (0.061 R)
• M22: 33,361,223 km (0.111 R)
• M23: 33,779,349 km (0.055 R)
• M24: 34,626,222 km (0.104 R)
• M25: 41,916,127 km (0.045 R)
• M26: 50,347,313 km (0.048 R)
• M27: 71,608,162 km (0.102 R)
• M28: 82,773,399 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 15,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit