🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 9.4

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.41 AU - 0.67 AU

Year: 265 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,304,200 km

• M1: 116,836 km (0.1 R)
• M2: 734,825 km (0.043 R)
• M3: 1,168,060 km (0.07 R)
• M4: 1,524,701 km (0.087 R)
• M5: 2,029,445 km (0.068 R)
• M6: 2,632,923 km (0.088 R)
• M7: 2,977,446 km (0.105 R)
• M8: 3,319,427 km (0.098 R)
• M9: 3,960,604 km (0.092 R)
• M10: 4,285,231 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 13

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.51 AU - 0.61 AU

Year: 279 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,304,200 km

• M1: 161,715 km (0.04 R)
• M2: 577,597 km (0.073 R)
• M3: 1,048,232 km (0.061 R)
• M4: 1,468,602 km (0.091 R)
• M5: 1,891,515 km (0.042 R)
• M6: 2,332,081 km (0.115 R)
• M7: 2,925,835 km (0.104 R)
• M8: 3,331,395 km (0.085 R)
• M9: 3,797,542 km (0.082 R)
• M10: 4,245,588 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 9.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.84 AU - 0.86 AU

Year: 523 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,304,200 km

• M1: 121,324 km (0.076 R)
• M2: 424,858 km (0.048 R)
• M3: 763,398 km (0.078 R)
• M4: 1,069,326 km (0.036 R)
• M5: 1,526,646 km (0.116 R)
• M6: 1,856,510 km (0.05 R)
• M7: 2,180,838 km (0.104 R)
• M8: 2,754,994 km (0.09 R)
• M9: 3,180,152 km (0.119 R)
• M10: 3,763,284 km (0.081 R)
• M11: 4,163,010 km (0.101 R)
• M12: 4,473,874 km (0.112 R)
• M13: 5,501,312 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 9.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.28 AU - 1.42 AU

Year: 1046 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,304,200 km

• M1: 118,182 km (0.091 R)
• M2: 500,405 km (0.096 R)
• M3: 917,933 km (0.065 R)
• M4: 1,300,604 km (0.109 R)
• M5: 1,673,701 km (0.084 R)
• M6: 2,222,276 km (0.106 R)
• M7: 2,580,414 km (0.114 R)
• M8: 3,095,629 km (0.088 R)
• M9: 3,754,159 km (0.064 R)
• M10: 4,068,314 km (0.09 R)
• M11: 4,434,230 km (0.059 R)
• M12: 4,732,080 km (0.105 R)
• M13: 5,043,243 km (0.118 R)
• M14: 6,560,914 km (0.096 R)
• M15: 8,049,712 km (0.095 R)
• M16: 8,362,222 km (0.109 R)
• M17: 9,011,327 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 8.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.18 AU - 1.76 AU

Year: 1189 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,304,200 km

• M1: 106,962 km (0.057 R)
• M2: 414,237 km (0.118 R)
• M3: 712,535 km (0.089 R)
• M4: 1,050,027 km (0.107 R)
• M5: 1,579,155 km (0.097 R)
• M6: 2,049,341 km (0.105 R)
• M7: 2,499,182 km (0.11 R)
• M8: 2,988,666 km (0.111 R)
• M9: 3,568,657 km (0.116 R)
• M10: 3,900,615 km (0.116 R)
• M11: 4,174,828 km (0.081 R)
• M12: 5,058,054 km (0.093 R)
• M13: 5,610,369 km (0.12 R)
• M14: 5,980,624 km (0.099 R)
• M15: 6,429,567 km (0.038 R)
• M16: 6,922,941 km (0.104 R)
• M17: 7,395,221 km (0.116 R)
• M18: 7,698,157 km (0.043 R)
• M19: 8,205,144 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 11.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.88 AU - 3.12 AU

Year: 2636 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,304,200 km

• M1: 139,874 km (0.105 R)
• M2: 929,302 km (0.103 R)
• M3: 1,491,940 km (0.059 R)
• M4: 1,932,206 km (0.092 R)
• M5: 2,641,450 km (0.116 R)
• M6: 3,020,381 km (0.1 R)
• M7: 3,549,658 km (0.101 R)
• M8: 4,288,223 km (0.108 R)
• M9: 4,917,432 km (0.057 R)
• M10: 5,905,526 km (0.116 R)
• M11: 6,864,747 km (0.078 R)
• M12: 7,341,216 km (0.079 R)
• M13: 8,213,521 km (0.052 R)
• M14: 9,185,010 km (0.091 R)
• M15: 9,536,266 km (0.083 R)
• M16: 10,643,889 km (0.118 R)
• M17: 11,910,534 km (0.084 R)
• M18: 12,599,731 km (0.062 R)
• M19: 13,355,948 km (0.112 R)
• M20: 14,311,430 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.9

Radius: 6.9

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.3 AU - 7.96 AU

Year: 11384 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,304,200 km

• M1: 85,869 km (0.11 R)
• M2: 333,603 km (0.066 R)
• M3: 637,137 km (0.059 R)
• M4: 1,042,996 km (0.081 R)
• M5: 1,508,395 km (0.065 R)
• M6: 1,980,975 km (0.097 R)
• M7: 2,233,347 km (0.04 R)
• M8: 3,753,710 km (0.12 R)
• M9: 4,650,100 km (0.032 R)
• M10: 6,119,750 km (0.088 R)
• M11: 9,582,791 km (0.091 R)
• M12: 9,838,154 km (0.104 R)
• M13: 10,577,168 km (0.111 R)
• M14: 11,015,789 km (0.051 R)
• M15: 11,466,378 km (0.065 R)
• M16: 13,583,935 km (0.073 R)
• M17: 14,499,474 km (0.068 R)
• M18: 15,109,385 km (0.027 R)
• M19: 18,261,562 km (0.089 R)
• M20: 19,538,529 km (0.079 R)
• M21: 20,703,747 km (0.097 R)
• M22: 21,914,592 km (0.113 R)
• M23: 22,627,276 km (0.081 R)
• M24: 23,911,574 km (0.102 R)
• M25: 28,055,136 km (0.072 R)
• M26: 30,186,606 km (0.092 R)
• M27: 31,068,635 km (0.078 R)
• M28: 33,348,657 km (0.12 R)
• M29: 36,229,164 km (0.054 R)
• M30: 37,350,699 km (0.048 R)
• M31: 39,011,534 km (0.12 R)
• M32: 47,464,861 km (0.099 R)
• M33: 48,356,913 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 16,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit