🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.6

Radius: 11.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.89 AU - 1.05 AU

Year: 659 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,907,507 km

• M1: 141,819 km (0.097 R)
• M2: 497,114 km (0.04 R)
• M3: 854,204 km (0.069 R)
• M4: 1,277,865 km (0.112 R)
• M5: 2,061,010 km (0.098 R)
• M6: 2,454,602 km (0.12 R)
• M7: 2,887,837 km (0.102 R)
• M8: 3,857,680 km (0.092 R)
• M9: 4,347,165 km (0.097 R)
• M10: 5,079,745 km (0.062 R)
• M11: 5,720,323 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 9

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.02 AU - 1.02 AU

Year: 711 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,907,507 km

• M1: 112,049 km (0.098 R)
• M2: 451,786 km (0.111 R)
• M3: 823,686 km (0.046 R)
• M4: 1,729,501 km (0.093 R)
• M5: 2,338,364 km (0.092 R)
• M6: 4,343,125 km (0.064 R)
• M7: 4,777,408 km (0.057 R)
• M8: 5,105,027 km (0.112 R)
• M9: 5,430,253 km (0.079 R)
• M10: 5,714,788 km (0.115 R)
• M11: 6,995,795 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 12

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.16 AU - 1.52 AU

Year: 1071 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,907,507 km

• M1: 149,299 km (0.041 R)
• M2: 579,093 km (0.08 R)
• M3: 954,584 km (0.084 R)
• M4: 2,299,918 km (0.116 R)
• M5: 2,860,610 km (0.104 R)
• M6: 4,310,513 km (0.073 R)
• M7: 4,819,445 km (0.118 R)
• M8: 5,207,352 km (0.04 R)
• M9: 5,785,698 km (0.045 R)
• M10: 6,337,863 km (0.06 R)
• M11: 7,651,333 km (0.082 R)
• M12: 8,679,220 km (0.099 R)
• M13: 9,614,206 km (0.1 R)
• M14: 10,075,117 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 12

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.77 AU - 1.81 AU

Year: 1653 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,907,507 km

• M1: 149,299 km (0.033 R)
• M2: 543,190 km (0.109 R)
• M3: 1,022,950 km (0.086 R)
• M4: 1,743,563 km (0.089 R)
• M5: 2,234,394 km (0.11 R)
• M6: 2,695,006 km (0.097 R)
• M7: 4,172,733 km (0.105 R)
• M8: 4,610,756 km (0.11 R)
• M9: 5,639,541 km (0.112 R)
• M10: 6,240,625 km (0.091 R)
• M11: 7,377,120 km (0.071 R)
• M12: 8,148,297 km (0.085 R)
• M13: 8,593,500 km (0.065 R)
• M14: 9,334,159 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.7

Radius: 12.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.26 AU - 3.06 AU

Year: 2995 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 164.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,907,507 km

• M1: 156,928 km (0.108 R)
• M2: 789,278 km (0.094 R)
• M3: 1,200,373 km (0.116 R)
• M4: 1,863,541 km (0.086 R)
• M5: 2,417,950 km (0.081 R)
• M6: 2,931,221 km (0.091 R)
• M7: 3,765,977 km (0.099 R)
• M8: 4,248,430 km (0.046 R)
• M9: 5,819,656 km (0.07 R)
• M10: 6,749,108 km (0.036 R)
• M11: 7,362,908 km (0.068 R)
• M12: 8,505,836 km (0.093 R)
• M13: 10,135,854 km (0.113 R)
• M14: 10,582,105 km (0.084 R)
• M15: 11,141,601 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 14.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.49 AU - 4.21 AU

Year: 5214 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,907,507 km

• M1: 175,628 km (0.105 R)
• M2: 673,190 km (0.069 R)
• M3: 1,187,807 km (0.097 R)
• M4: 1,875,808 km (0.061 R)
• M5: 2,696,053 km (0.111 R)
• M6: 3,657,219 km (0.11 R)
• M7: 4,254,115 km (0.094 R)
• M8: 5,023,496 km (0.098 R)
• M9: 6,446,172 km (0.101 R)
• M10: 7,112,780 km (0.059 R)
• M11: 8,010,368 km (0.1 R)
• M12: 8,941,764 km (0.116 R)
• M13: 11,254,248 km (0.067 R)
• M14: 12,024,826 km (0.09 R)
• M15: 12,625,462 km (0.096 R)
• M16: 13,617,595 km (0.112 R)
• M17: 17,918,235 km (0.119 R)
• M18: 18,570,481 km (0.103 R)
• M19: 21,703,809 km (0.085 R)
• M20: 25,093,248 km (0.111 R)
• M21: 26,744,659 km (0.115 R)
• M22: 27,769,703 km (0.101 R)
• M23: 28,555,541 km (0.094 R)
• M24: 31,376,508 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 11.5

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.95 AU - 4.11 AU

Year: 5584 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,907,507 km

• M1: 144,212 km (0.112 R)
• M2: 582,385 km (0.087 R)
• M3: 964,009 km (0.115 R)
• M4: 1,484,160 km (0.101 R)
• M5: 2,679,597 km (0.05 R)
• M6: 3,307,908 km (0.075 R)
• M7: 3,912,433 km (0.07 R)
• M8: 5,026,488 km (0.101 R)
• M9: 5,521,358 km (0.091 R)
• M10: 6,048,392 km (0.048 R)
• M11: 6,574,976 km (0.039 R)
• M12: 7,570,251 km (0.111 R)
• M13: 8,786,182 km (0.068 R)
• M14: 9,205,056 km (0.097 R)
• M15: 10,037,568 km (0.099 R)
• M16: 13,323,635 km (0.116 R)
• M17: 14,736,737 km (0.088 R)
• M18: 15,753,254 km (0.111 R)
• M19: 18,126,325 km (0.1 R)
• M20: 18,875,511 km (0.092 R)
• M21: 19,292,740 km (0.094 R)
• M22: 19,930,176 km (0.093 R)
• M23: 22,311,176 km (0.089 R)
• M24: 25,462,156 km (0.071 R)
• M25: 25,971,986 km (0.111 R)
• M26: 28,898,269 km (0.105 R)
• M27: 31,645,634 km (0.116 R)
• M28: 34,047,428 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.8

Radius: 7.3

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.58 AU - 10.7 AU

Year: 20660 Days

Day: 22.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,907,507 km

• M1: 90,806 km (0.086 R)
• M2: 411,245 km (0.107 R)
• M3: 718,967 km (0.054 R)
• M4: 961,316 km (0.116 R)
• M5: 1,272,629 km (0.091 R)
• M6: 1,930,261 km (0.118 R)
• M7: 2,180,838 km (0.086 R)
• M8: 2,654,913 km (0.088 R)
• M9: 2,916,710 km (0.116 R)
• M10: 3,866,955 km (0.118 R)
• M11: 4,236,013 km (0.039 R)
• M12: 4,764,692 km (0.101 R)
• M13: 6,530,396 km (0.105 R)
• M14: 6,832,883 km (0.09 R)
• M15: 8,796,504 km (0.034 R)
• M16: 10,987,216 km (0.12 R)
• M17: 12,047,117 km (0.085 R)
• M18: 13,241,805 km (0.118 R)
• M19: 13,587,376 km (0.106 R)
• M20: 14,009,841 km (0.03 R)
• M21: 15,481,584 km (0.09 R)
• M22: 16,098,077 km (0.115 R)
• M23: 16,811,210 km (0.097 R)
• M24: 18,642,887 km (0.113 R)
• M25: 19,696,056 km (0.055 R)
• M26: 28,775,898 km (0.046 R)
• M27: 29,472,576 km (0.057 R)
• M28: 31,142,088 km (0.042 R)
• M29: 38,873,156 km (0.088 R)
• M30: 39,297,266 km (0.12 R)
• M31: 56,522,264 km (0.118 R)
• M32: 59,092,505 km (0.046 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 20,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit