🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.63 AU - 0.65 AU

Year: 331 Days

Day: 23 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 9.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.68 AU - 0.78 AU

Year: 403 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,771,245 km

• M1: 121,922 km (0.105 R)
• M2: 453,730 km (0.106 R)
• M3: 974,331 km (0.099 R)
• M4: 1,417,739 km (0.102 R)
• M5: 2,083,001 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 13.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.4 AU - 5.22 AU

Year: 6811 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,771,245 km

• M1: 165,455 km (0.119 R)
• M2: 674,836 km (0.087 R)
• M3: 1,606,532 km (0.115 R)
• M4: 2,890,530 km (0.053 R)
• M5: 3,661,258 km (0.052 R)
• M6: 4,167,647 km (0.1 R)
• M7: 4,668,501 km (0.116 R)
• M8: 5,294,119 km (0.048 R)
• M9: 6,450,211 km (0.08 R)
• M10: 7,694,566 km (0.081 R)
• M11: 8,849,013 km (0.097 R)
• M12: 10,609,631 km (0.051 R)
• M13: 13,377,490 km (0.1 R)
• M14: 14,529,693 km (0.082 R)
• M15: 14,985,668 km (0.107 R)
• M16: 16,046,765 km (0.102 R)
• M17: 16,781,440 km (0.087 R)
• M18: 17,538,555 km (0.108 R)
• M19: 19,188,919 km (0.092 R)
• M20: 20,016,943 km (0.032 R)
• M21: 21,818,401 km (0.109 R)
• M22: 22,341,544 km (0.115 R)
• M23: 24,199,400 km (0.07 R)
• M24: 27,957,149 km (0.116 R)
• M25: 28,485,978 km (0.109 R)
• M26: 29,382,069 km (0.089 R)

Asteroid Belt

Center: 5.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 14.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.11 AU - 6.63 AU

Year: 9183 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,771,245 km

• M1: 182,809 km (0.056 R)
• M2: 858,692 km (0.098 R)
• M3: 1,319,004 km (0.04 R)
• M4: 2,050,688 km (0.086 R)
• M5: 2,560,966 km (0.098 R)
• M6: 3,066,008 km (0.105 R)
• M7: 4,600,583 km (0.066 R)
• M8: 5,094,406 km (0.104 R)
• M9: 5,727,055 km (0.117 R)
• M10: 7,989,424 km (0.103 R)
• M11: 8,614,893 km (0.049 R)
• M12: 9,081,488 km (0.117 R)
• M13: 11,674,169 km (0.082 R)
• M14: 17,158,128 km (0.103 R)
• M15: 18,125,727 km (0.107 R)
• M16: 19,208,217 km (0.095 R)
• M17: 19,845,953 km (0.076 R)
• M18: 21,930,150 km (0.11 R)
• M19: 22,626,977 km (0.045 R)
• M20: 24,806,319 km (0.036 R)
• M21: 25,947,003 km (0.11 R)
• M22: 27,622,499 km (0.095 R)
• M23: 30,109,264 km (0.065 R)
• M24: 45,093,436 km (0.076 R)
• M25: 47,078,749 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 4.2

Gravity: 38.08 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.84 AU - 11.28 AU

Year: 23749 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,771,245 km

• M1: 52,808 km (0.094 R)
• M2: 194,926 km (0.083 R)
• M3: 355,594 km (0.076 R)
• M4: 490,831 km (0.081 R)
• M5: 730,038 km (0.104 R)
• M6: 1,180,028 km (0.11 R)
• M7: 1,664,725 km (0.05 R)
• M8: 2,097,213 km (0.042 R)
• M9: 2,576,075 km (0.117 R)
• M10: 3,208,874 km (0.063 R)
• M11: 3,747,127 km (0.083 R)
• M12: 5,233,831 km (0.09 R)
• M13: 5,515,075 km (0.083 R)
• M14: 6,601,754 km (0.093 R)
• M15: 7,073,885 km (0.108 R)
• M16: 8,138,124 km (0.081 R)
• M17: 8,792,016 km (0.109 R)
• M18: 10,265,406 km (0.119 R)
• M19: 13,171,345 km (0.12 R)
• M20: 16,839,784 km (0.11 R)
• M21: 18,627,328 km (0.072 R)
• M22: 19,471,659 km (0.116 R)
• M23: 20,835,094 km (0.051 R)
• M24: 25,191,833 km (0.106 R)
• M25: 27,282,612 km (0.079 R)
• M26: 30,502,407 km (0.117 R)
• M27: 31,673,460 km (0.06 R)
• M28: 36,512,651 km (0.084 R)
• M29: 42,942,218 km (0.052 R)
• M30: 45,745,682 km (0.086 R)
• M31: 47,278,163 km (0.085 R)
• M32: 47,450,500 km (0.108 R)
• M33: 49,020,679 km (0.076 R)
• M34: 51,167,558 km (0.116 R)
• M35: 53,938,260 km (0.109 R)
• M36: 59,978,125 km (0.107 R)
• M37: 67,757,812 km (0.101 R)
• M38: 72,002,203 km (0.1 R)
• M39: 83,506,878 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit