🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 10.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.7 AU - 1 AU

Year: 514 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,722,919 km

• M1: 129,253 km (0.089 R)
• M2: 479,012 km (0.029 R)
• M3: 928,255 km (0.064 R)
• M4: 1,432,250 km (0.069 R)
• M5: 1,984,565 km (0.045 R)
• M6: 3,091,141 km (0.059 R)
• M7: 3,492,811 km (0.081 R)
• M8: 3,929,188 km (0.107 R)
• M9: 4,293,608 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 10.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.8 AU - 1.28 AU

Year: 696 Days

Day: 7 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,722,919 km

• M1: 129,552 km (0.058 R)
• M2: 546,481 km (0.116 R)
• M3: 924,664 km (0.075 R)
• M4: 1,342,641 km (0.117 R)
• M5: 1,728,155 km (0.096 R)
• M6: 2,089,583 km (0.103 R)
• M7: 2,654,315 km (0.038 R)
• M8: 3,116,273 km (0.108 R)
• M9: 3,815,643 km (0.073 R)
• M10: 4,245,887 km (0.115 R)
• M11: 4,723,852 km (0.103 R)
• M12: 5,388,515 km (0.1 R)
• M13: 6,357,760 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.4

Radius: 11

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.22 AU - 4.68 AU

Year: 5150 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,722,919 km

• M1: 136,882 km (0.05 R)
• M2: 521,349 km (0.084 R)
• M3: 1,184,366 km (0.068 R)
• M4: 1,637,199 km (0.026 R)
• M5: 2,006,556 km (0.107 R)
• M6: 2,882,153 km (0.111 R)
• M7: 3,548,312 km (0.092 R)
• M8: 4,699,916 km (0.059 R)
• M9: 5,765,502 km (0.112 R)
• M10: 6,294,630 km (0.103 R)
• M11: 6,792,043 km (0.061 R)
• M12: 7,382,805 km (0.063 R)
• M13: 8,223,545 km (0.093 R)
• M14: 8,856,792 km (0.065 R)
• M15: 10,305,049 km (0.117 R)
• M16: 14,554,526 km (0.113 R)
• M17: 15,481,435 km (0.092 R)
• M18: 16,159,263 km (0.113 R)
• M19: 17,033,962 km (0.073 R)
• M20: 17,940,076 km (0.092 R)
• M21: 21,818,101 km (0.104 R)
• M22: 22,598,254 km (0.088 R)
• M23: 24,064,313 km (0.069 R)
• M24: 24,440,552 km (0.099 R)
• M25: 26,700,527 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 8.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.03 AU - 4.97 AU

Year: 5248 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,722,919 km

• M1: 109,506 km (0.08 R)
• M2: 434,582 km (0.11 R)
• M3: 1,308,682 km (0.071 R)
• M4: 2,611,530 km (0.085 R)
• M5: 3,133,627 km (0.119 R)
• M6: 3,744,734 km (0.099 R)
• M7: 4,527,580 km (0.051 R)
• M8: 5,689,506 km (0.104 R)
• M9: 6,355,067 km (0.099 R)
• M10: 7,007,015 km (0.119 R)
• M11: 7,840,574 km (0.071 R)
• M12: 8,299,391 km (0.096 R)
• M13: 9,945,715 km (0.116 R)
• M14: 12,639,225 km (0.107 R)
• M15: 13,123,024 km (0.101 R)
• M16: 16,861,924 km (0.101 R)
• M17: 17,448,348 km (0.094 R)
• M18: 19,289,149 km (0.078 R)
• M19: 24,155,119 km (0.075 R)
• M20: 25,051,211 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.7

Radius: 8

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.62 AU - 10.42 AU

Year: 17771 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,722,919 km

• M1: 99,931 km (0.083 R)
• M2: 422,614 km (0.086 R)
• M3: 872,604 km (0.113 R)
• M4: 1,995,785 km (0.11 R)
• M5: 2,732,704 km (0.048 R)
• M6: 5,242,657 km (0.104 R)
• M7: 6,543,261 km (0.103 R)
• M8: 7,128,787 km (0.098 R)
• M9: 7,410,480 km (0.093 R)
• M10: 9,882,435 km (0.101 R)
• M11: 12,582,827 km (0.102 R)
• M12: 15,347,844 km (0.07 R)
• M13: 17,121,028 km (0.054 R)
• M14: 19,026,755 km (0.049 R)
• M15: 19,387,734 km (0.055 R)
• M16: 20,878,028 km (0.084 R)
• M17: 22,947,865 km (0.096 R)
• M18: 23,563,460 km (0.119 R)
• M19: 32,215,153 km (0.115 R)
• M20: 38,450,094 km (0.106 R)
• M21: 39,172,801 km (0.096 R)
• M22: 39,610,674 km (0.11 R)
• M23: 40,199,790 km (0.098 R)
• M24: 40,794,591 km (0.08 R)
• M25: 41,546,321 km (0.096 R)
• M26: 49,749,370 km (0.064 R)
• M27: 50,091,351 km (0.07 R)
• M28: 50,434,977 km (0.08 R)
• M29: 54,500,000 km (0.114 R)
• M30: 55,963,516 km (0.112 R)
• M31: 57,453,212 km (0.084 R)
• M32: 60,317,263 km (0.097 R)
• M33: 61,882,954 km (0.091 R)
• M34: 63,274,963 km (0.106 R)
• M35: 64,282,055 km (0.119 R)
• M36: 65,299,620 km (0.108 R)
• M37: 67,576,350 km (0.066 R)
• M38: 72,068,625 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 13,789 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit