🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.1

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,398,166 km

• M1: 185,352 km (0.113 R)
• M2: 654,491 km (0.086 R)
• M3: 1,407,866 km (0.069 R)
• M4: 1,917,845 km (0.036 R)
• M5: 2,437,847 km (0.086 R)
• M6: 3,052,545 km (0.098 R)
• M7: 3,938,762 km (0.038 R)
• M8: 4,476,716 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 12.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.3 AU - 1.88 AU

Year: 1360 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,398,166 km

• M1: 152,440 km (0.093 R)
• M2: 826,079 km (0.036 R)
• M3: 1,342,342 km (0.079 R)
• M4: 1,950,008 km (0.084 R)
• M5: 2,364,394 km (0.068 R)
• M6: 2,837,872 km (0.081 R)
• M7: 3,418,611 km (0.1 R)
• M8: 4,598,788 km (0.066 R)
• M9: 5,183,865 km (0.075 R)
• M10: 5,946,815 km (0.118 R)
• M11: 6,389,624 km (0.049 R)
• M12: 6,973,954 km (0.114 R)
• M13: 8,440,611 km (0.107 R)
• M14: 8,944,008 km (0.114 R)
• M15: 9,349,269 km (0.085 R)
• M16: 10,898,055 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147

Radius: 9.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.61 AU - 1.69 AU

Year: 1438 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,398,166 km

• M1: 115,041 km (0.063 R)
• M2: 411,394 km (0.068 R)
• M3: 718,668 km (0.115 R)
• M4: 1,237,474 km (0.106 R)
• M5: 1,589,777 km (0.116 R)
• M6: 2,325,349 km (0.105 R)
• M7: 3,726,932 km (0.074 R)
• M8: 4,043,331 km (0.116 R)
• M9: 4,519,800 km (0.035 R)
• M10: 5,659,587 km (0.119 R)
• M11: 7,241,285 km (0.107 R)
• M12: 7,576,384 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 8.1

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.06 AU - 5.6 AU

Year: 7200 Days

Day: 13.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,398,166 km

• M1: 100,679 km (0.095 R)
• M2: 620,682 km (0.097 R)
• M3: 1,010,982 km (0.03 R)
• M4: 1,454,091 km (0.108 R)
• M5: 1,957,039 km (0.091 R)
• M6: 2,789,402 km (0.034 R)
• M7: 3,041,325 km (0.054 R)
• M8: 4,072,503 km (0.042 R)
• M9: 4,342,677 km (0.111 R)
• M10: 4,979,365 km (0.074 R)
• M11: 5,743,361 km (0.106 R)
• M12: 6,365,988 km (0.114 R)
• M13: 7,422,897 km (0.045 R)
• M14: 8,203,798 km (0.106 R)
• M15: 9,452,940 km (0.071 R)
• M16: 9,784,150 km (0.063 R)
• M17: 10,620,701 km (0.1 R)
• M18: 11,881,811 km (0.071 R)
• M19: 14,824,850 km (0.084 R)
• M20: 15,466,774 km (0.073 R)
• M21: 15,728,720 km (0.114 R)
• M22: 16,668,793 km (0.096 R)
• M23: 16,944,203 km (0.096 R)
• M24: 17,931,998 km (0.093 R)
• M25: 19,408,977 km (0.052 R)
• M26: 20,568,660 km (0.108 R)
• M27: 20,965,394 km (0.067 R)
• M28: 21,855,950 km (0.063 R)
• M29: 34,368,615 km (0.115 R)
• M30: 36,062,960 km (0.101 R)
• M31: 37,457,811 km (0.083 R)
• M32: 39,495,035 km (0.088 R)
• M33: 41,478,852 km (0.07 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 16,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit