🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 12.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.3 AU - 2.08 AU

Year: 1397 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,077,288 km

• M1: 150,495 km (0.081 R)
• M2: 1,071,270 km (0.079 R)
• M3: 1,619,846 km (0.036 R)
• M4: 2,106,188 km (0.045 R)
• M5: 2,581,311 km (0.073 R)
• M6: 3,127,643 km (0.043 R)
• M7: 3,673,675 km (0.059 R)
• M8: 4,182,457 km (0.067 R)
• M9: 4,612,252 km (0.107 R)
• M10: 6,212,500 km (0.035 R)
• M11: 6,659,050 km (0.101 R)
• M12: 7,151,227 km (0.112 R)
• M13: 7,717,904 km (0.116 R)
• M14: 8,234,764 km (0.109 R)
• M15: 9,223,756 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 10.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.37 AU - 2.65 AU

Year: 2528 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,077,288 km

• M1: 134,040 km (0.079 R)
• M2: 550,371 km (0.085 R)
• M3: 953,088 km (0.104 R)
• M4: 1,417,290 km (0.068 R)
• M5: 2,451,311 km (0.06 R)
• M6: 2,797,779 km (0.056 R)
• M7: 3,177,160 km (0.051 R)
• M8: 5,163,819 km (0.06 R)
• M9: 6,128,277 km (0.104 R)
• M10: 7,043,068 km (0.081 R)
• M11: 7,576,534 km (0.108 R)
• M12: 9,340,293 km (0.073 R)
• M13: 14,403,133 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 9.5

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.91 AU - 2.99 AU

Year: 3222 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,077,288 km

• M1: 118,182 km (0.027 R)
• M2: 694,882 km (0.115 R)
• M3: 1,010,982 km (0.108 R)
• M4: 1,324,091 km (0.074 R)
• M5: 2,098,709 km (0.041 R)
• M6: 4,133,090 km (0.077 R)
• M7: 4,565,278 km (0.096 R)
• M8: 5,876,504 km (0.115 R)
• M9: 6,543,710 km (0.07 R)
• M10: 9,531,180 km (0.057 R)
• M11: 12,469,431 km (0.077 R)
• M12: 12,797,649 km (0.105 R)
• M13: 16,239,148 km (0.071 R)
• M14: 16,914,582 km (0.074 R)
• M15: 20,903,759 km (0.108 R)
• M16: 22,384,629 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.5

Radius: 7.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.99 AU - 9.57 AU

Year: 16542 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,077,288 km

• M1: 135,536 km (0.094 R)
• M2: 387,608 km (0.05 R)
• M3: 3,254,053 km (0.113 R)
• M4: 6,222,523 km (0.102 R)
• M5: 7,626,200 km (0.079 R)
• M6: 9,698,430 km (0.116 R)
• M7: 11,254,547 km (0.101 R)
• M8: 12,286,772 km (0.111 R)
• M9: 16,981,303 km (0.08 R)
• M10: 17,972,987 km (0.035 R)
• M11: 28,996,406 km (0.117 R)
• M12: 31,135,206 km (0.107 R)
• M13: 36,183,686 km (0.117 R)
• M14: 42,133,492 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.1

Radius: 6.3

Gravity: 23.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.88 AU - 12.78 AU

Year: 22661 Days

Day: 17.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,077,288 km

• M1: 112,348 km (0.07 R)
• M2: 333,454 km (0.059 R)
• M3: 1,171,202 km (0.104 R)
• M4: 2,075,970 km (0.102 R)
• M5: 2,789,252 km (0.056 R)
• M6: 3,561,177 km (0.039 R)
• M7: 4,013,412 km (0.053 R)
• M8: 4,687,649 km (0.034 R)
• M9: 5,434,891 km (0.086 R)
• M10: 6,258,726 km (0.11 R)
• M11: 8,706,746 km (0.108 R)
• M12: 8,935,780 km (0.1 R)
• M13: 10,524,210 km (0.104 R)
• M14: 11,728,473 km (0.066 R)
• M15: 12,007,922 km (0.116 R)
• M16: 12,435,772 km (0.106 R)
• M17: 15,384,047 km (0.095 R)
• M18: 15,803,818 km (0.094 R)
• M19: 16,842,177 km (0.096 R)
• M20: 19,054,131 km (0.09 R)
• M21: 22,082,291 km (0.056 R)
• M22: 25,068,863 km (0.085 R)
• M23: 26,839,354 km (0.118 R)
• M24: 27,325,098 km (0.112 R)
• M25: 34,469,893 km (0.106 R)
• M26: 35,188,262 km (0.116 R)
• M27: 37,554,451 km (0.103 R)
• M28: 39,241,466 km (0.117 R)
• M29: 64,013,826 km (0.048 R)
• M30: 65,098,710 km (0.092 R)
• M31: 65,317,123 km (0.085 R)
• M32: 68,201,370 km (0.11 R)
• M33: 70,017,937 km (0.074 R)
• M34: 70,477,053 km (0.107 R)
• M35: 77,117,254 km (0.11 R)
• M36: 77,852,377 km (0.091 R)
• M37: 85,988,258 km (0.103 R)
• M38: 87,308,608 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit