🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 10.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.02 AU - 1.1 AU

Year: 716 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,151,471 km

• M1: 125,662 km (0.081 R)
• M2: 515,664 km (0.061 R)
• M3: 853,306 km (0.06 R)
• M4: 1,449,005 km (0.12 R)
• M5: 1,845,140 km (0.056 R)
• M6: 2,294,682 km (0.103 R)
• M7: 3,003,626 km (0.114 R)
• M8: 3,527,967 km (0.076 R)
• M9: 4,592,056 km (0.109 R)
• M10: 5,092,461 km (0.077 R)
• M11: 5,542,751 km (0.117 R)
• M12: 6,001,268 km (0.11 R)
• M13: 6,408,922 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 8.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.09 AU - 1.59 AU

Year: 1018 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,151,471 km

• M1: 105,616 km (0.099 R)
• M2: 440,715 km (0.098 R)
• M3: 729,140 km (0.108 R)
• M4: 1,065,137 km (0.119 R)
• M5: 1,395,150 km (0.086 R)
• M6: 1,704,369 km (0.077 R)
• M7: 2,265,660 km (0.059 R)
• M8: 2,769,655 km (0.071 R)
• M9: 3,074,984 km (0.082 R)
• M10: 3,473,962 km (0.112 R)
• M11: 3,907,048 km (0.115 R)
• M12: 4,597,891 km (0.09 R)
• M13: 5,139,435 km (0.103 R)
• M14: 6,590,684 km (0.091 R)
• M15: 7,091,089 km (0.107 R)
• M16: 7,446,683 km (0.076 R)
• M17: 7,739,745 km (0.044 R)
• M18: 8,401,117 km (0.028 R)
• M19: 8,826,424 km (0.087 R)
• M20: 9,350,166 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 11.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.48 AU - 2 AU

Year: 1506 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,151,471 km

• M1: 148,102 km (0.033 R)
• M2: 597,195 km (0.094 R)
• M3: 1,086,380 km (0.118 R)
• M4: 1,528,741 km (0.119 R)
• M5: 2,323,105 km (0.094 R)
• M6: 2,826,801 km (0.06 R)
• M7: 4,211,778 km (0.044 R)
• M8: 5,236,225 km (0.064 R)
• M9: 6,441,086 km (0.105 R)
• M10: 8,596,043 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 13.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.15 AU - 2.47 AU

Year: 2303 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,151,471 km

• M1: 170,392 km (0.112 R)
• M2: 642,074 km (0.1 R)
• M3: 1,187,657 km (0.115 R)
• M4: 1,871,619 km (0.105 R)
• M5: 2,691,116 km (0.075 R)
• M6: 3,541,430 km (0.092 R)
• M7: 4,564,081 km (0.106 R)
• M8: 6,416,253 km (0.089 R)
• M9: 7,335,083 km (0.091 R)
• M10: 8,992,178 km (0.037 R)
• M11: 10,179,387 km (0.061 R)
• M12: 12,029,913 km (0.104 R)
• M13: 15,404,841 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.7

Radius: 14.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.41 AU - 5.29 AU

Year: 7007 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 80.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,151,471 km

• M1: 228,586 km (0.049 R)
• M2: 1,305,690 km (0.085 R)
• M3: 3,423,996 km (0.117 R)
• M4: 4,693,184 km (0.099 R)
• M5: 8,656,630 km (0.086 R)
• M6: 9,414,942 km (0.099 R)
• M7: 9,911,009 km (0.102 R)
• M8: 11,844,112 km (0.092 R)
• M9: 12,344,816 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.1

Radius: 3

Gravity: 42.23 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.16 AU - 9.12 AU

Year: 15235 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,151,471 km

• M1: 42,785 km (0.077 R)
• M2: 144,063 km (0.071 R)
• M3: 362,027 km (0.088 R)
• M4: 663,167 km (0.032 R)
• M5: 803,640 km (0.1 R)
• M6: 2,448,468 km (0.063 R)
• M7: 3,524,975 km (0.109 R)
• M8: 3,981,697 km (0.086 R)
• M9: 4,786,234 km (0.103 R)
• M10: 5,693,396 km (0.115 R)
• M11: 6,206,068 km (0.097 R)
• M12: 8,107,457 km (0.11 R)
• M13: 8,473,523 km (0.058 R)
• M14: 9,238,566 km (0.066 R)
• M15: 12,578,189 km (0.118 R)
• M16: 15,293,989 km (0.033 R)
• M17: 15,781,678 km (0.119 R)
• M18: 17,306,529 km (0.072 R)
• M19: 18,220,721 km (0.117 R)
• M20: 19,327,147 km (0.069 R)
• M21: 21,155,233 km (0.112 R)
• M22: 22,376,550 km (0.077 R)
• M23: 24,014,946 km (0.03 R)
• M24: 25,927,256 km (0.089 R)
• M25: 26,719,825 km (0.028 R)
• M26: 32,495,949 km (0.119 R)
• M27: 36,529,107 km (0.094 R)
• M28: 38,282,394 km (0.098 R)
• M29: 47,306,886 km (0.081 R)
• M30: 48,637,709 km (0.101 R)
• M31: 49,689,830 km (0.079 R)
• M32: 50,450,536 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 19,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit