🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 12.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.47 AU - 0.55 AU

Year: 251 Days

Day: 13.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,492,274 km

• M1: 161,117 km (0.06 R)
• M2: 595,998 km (0.104 R)
• M3: 1,008,888 km (0.094 R)
• M4: 1,605,036 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 8.8

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,492,274 km

• M1: 109,506 km (0.11 R)
• M2: 409,150 km (0.117 R)
• M3: 704,307 km (0.116 R)
• M4: 1,042,996 km (0.04 R)
• M5: 1,332,468 km (0.088 R)
• M6: 1,712,447 km (0.106 R)
• M7: 2,005,060 km (0.044 R)
• M8: 2,376,811 km (0.105 R)
• M9: 2,683,038 km (0.095 R)
• M10: 3,037,286 km (0.113 R)
• M11: 3,969,729 km (0.069 R)
• M12: 4,559,444 km (0.083 R)
• M13: 5,317,307 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 13.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.66 AU - 2.16 AU

Year: 1822 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,492,274 km

• M1: 164,258 km (0.07 R)
• M2: 667,655 km (0.05 R)
• M3: 1,160,730 km (0.07 R)
• M4: 1,733,091 km (0.042 R)
• M5: 2,151,965 km (0.098 R)
• M6: 2,653,268 km (0.119 R)
• M7: 4,042,134 km (0.064 R)
• M8: 6,089,082 km (0.108 R)
• M9: 6,753,446 km (0.084 R)
• M10: 7,437,408 km (0.114 R)
• M11: 7,987,778 km (0.095 R)
• M12: 8,816,551 km (0.076 R)
• M13: 11,084,454 km (0.059 R)
• M14: 12,155,276 km (0.06 R)
• M15: 13,044,186 km (0.082 R)
• M16: 14,237,529 km (0.098 R)
• M17: 14,996,887 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 12.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.84 AU - 2.48 AU

Year: 2191 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,492,274 km

• M1: 154,235 km (0.102 R)
• M2: 612,154 km (0.117 R)
• M3: 1,017,116 km (0.091 R)
• M4: 1,485,507 km (0.12 R)
• M5: 1,993,092 km (0.1 R)
• M6: 2,398,951 km (0.05 R)
• M7: 3,105,652 km (0.104 R)
• M8: 3,692,075 km (0.102 R)
• M9: 4,805,233 km (0.109 R)
• M10: 5,359,344 km (0.116 R)
• M11: 5,832,971 km (0.118 R)
• M12: 6,490,453 km (0.105 R)
• M13: 7,539,882 km (0.095 R)
• M14: 9,221,662 km (0.079 R)
• M15: 9,974,139 km (0.074 R)
• M16: 10,365,337 km (0.06 R)
• M17: 13,017,408 km (0.069 R)
• M18: 16,434,672 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 12.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.01 AU - 2.67 AU

Year: 2471 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,492,274 km

• M1: 151,243 km (0.116 R)
• M2: 997,818 km (0.073 R)
• M3: 1,435,691 km (0.117 R)
• M4: 2,827,549 km (0.109 R)
• M5: 3,225,480 km (0.074 R)
• M6: 3,963,895 km (0.088 R)
• M7: 5,595,708 km (0.089 R)
• M8: 6,622,548 km (0.09 R)
• M9: 7,054,437 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 11.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.13 AU - 3.21 AU

Year: 3011 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,492,274 km

• M1: 138,976 km (0.057 R)
• M2: 525,089 km (0.12 R)
• M3: 2,089,583 km (0.12 R)
• M4: 2,720,288 km (0.088 R)
• M5: 6,685,828 km (0.1 R)
• M6: 7,239,939 km (0.092 R)
• M7: 7,626,350 km (0.08 R)
• M8: 9,215,378 km (0.112 R)
• M9: 10,070,929 km (0.086 R)
• M10: 10,588,238 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.7

Radius: 4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.66 AU - 11.28 AU

Year: 20116 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,492,274 km

• M1: 89,609 km (0.09 R)
• M2: 232,026 km (0.113 R)
• M3: 427,252 km (0.066 R)
• M4: 867,069 km (0.097 R)
• M5: 1,156,541 km (0.085 R)
• M6: 2,113,220 km (0.082 R)
• M7: 2,987,769 km (0.117 R)
• M8: 3,282,776 km (0.081 R)
• M9: 5,852,119 km (0.052 R)
• M10: 6,449,613 km (0.101 R)
• M11: 7,458,351 km (0.082 R)
• M12: 8,159,816 km (0.086 R)
• M13: 8,777,057 km (0.072 R)
• M14: 10,150,515 km (0.074 R)
• M15: 10,290,538 km (0.116 R)
• M16: 12,178,314 km (0.103 R)
• M17: 12,765,037 km (0.104 R)
• M18: 17,343,629 km (0.073 R)
• M19: 22,115,502 km (0.104 R)
• M20: 35,517,227 km (0.104 R)
• M21: 35,840,209 km (0.09 R)
• M22: 36,492,306 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit