🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 14.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.65 AU - 0.99 AU

Year: 479 Days

Day: 10 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,804,485 km

• M1: 184,005 km (0.1 R)
• M2: 655,837 km (0.086 R)
• M3: 1,327,532 km (0.095 R)
• M4: 1,892,114 km (0.074 R)
• M5: 2,588,342 km (0.102 R)
• M6: 3,830,453 km (0.106 R)
• M7: 5,686,365 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 12.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.42 AU - 1.66 AU

Year: 1234 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,804,485 km

• M1: 159,172 km (0.076 R)
• M2: 788,680 km (0.089 R)
• M3: 1,229,545 km (0.098 R)
• M4: 1,781,411 km (0.111 R)
• M5: 2,591,484 km (0.079 R)
• M6: 3,447,333 km (0.108 R)
• M7: 4,420,916 km (0.058 R)
• M8: 4,822,287 km (0.12 R)
• M9: 5,230,540 km (0.086 R)
• M10: 6,274,135 km (0.058 R)
• M11: 6,741,179 km (0.075 R)
• M12: 7,407,638 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.7 AU - 2.08 AU

Year: 1678 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,804,485 km

• M1: 174,132 km (0.082 R)
• M2: 808,876 km (0.105 R)
• M3: 1,469,051 km (0.107 R)
• M4: 2,706,824 km (0.074 R)
• M5: 3,372,385 km (0.073 R)
• M6: 4,696,924 km (0.113 R)
• M7: 5,164,418 km (0.054 R)
• M8: 6,218,933 km (0.107 R)
• M9: 8,019,194 km (0.036 R)
• M10: 10,533,485 km (0.072 R)
• M11: 11,414,766 km (0.088 R)
• M12: 11,912,329 km (0.031 R)
• M13: 14,179,784 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 12.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.7 AU - 3.14 AU

Year: 3222 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,804,485 km

• M1: 156,779 km (0.089 R)
• M2: 1,175,091 km (0.044 R)
• M3: 1,859,801 km (0.066 R)
• M4: 2,266,557 km (0.113 R)
• M5: 5,334,959 km (0.105 R)
• M6: 5,728,402 km (0.077 R)
• M7: 6,141,292 km (0.111 R)
• M8: 6,934,908 km (0.094 R)
• M9: 8,943,410 km (0.115 R)
• M10: 9,691,997 km (0.093 R)
• M11: 10,975,996 km (0.086 R)
• M12: 12,370,398 km (0.059 R)
• M13: 13,110,458 km (0.067 R)
• M14: 15,403,195 km (0.116 R)
• M15: 16,424,201 km (0.047 R)
• M16: 16,979,358 km (0.106 R)
• M17: 17,893,551 km (0.118 R)
• M18: 18,900,644 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.1

Radius: 11.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.07 AU - 4.43 AU

Year: 4689 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,804,485 km

• M1: 144,212 km (0.079 R)
• M2: 539,300 km (0.033 R)
• M3: 1,311,225 km (0.079 R)
• M4: 2,017,028 km (0.1 R)
• M5: 3,049,702 km (0.066 R)
• M6: 4,337,291 km (0.076 R)
• M7: 4,757,960 km (0.104 R)
• M8: 5,958,334 km (0.108 R)
• M9: 6,361,201 km (0.1 R)
• M10: 6,751,502 km (0.071 R)
• M11: 7,126,095 km (0.119 R)
• M12: 7,580,573 km (0.104 R)
• M13: 8,656,182 km (0.114 R)
• M14: 9,174,239 km (0.092 R)
• M15: 9,634,552 km (0.11 R)
• M16: 10,895,662 km (0.1 R)
• M17: 14,296,021 km (0.12 R)
• M18: 16,712,476 km (0.117 R)
• M19: 17,111,603 km (0.118 R)
• M20: 18,166,866 km (0.114 R)
• M21: 21,863,130 km (0.117 R)
• M22: 22,409,462 km (0.109 R)
• M23: 22,964,919 km (0.108 R)
• M24: 23,887,040 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 9.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.7 AU - 5.88 AU

Year: 6769 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,804,485 km

• M1: 118,182 km (0.078 R)
• M2: 429,495 km (0.116 R)
• M3: 870,061 km (0.117 R)
• M4: 1,768,696 km (0.053 R)
• M5: 2,840,864 km (0.088 R)
• M6: 4,167,497 km (0.116 R)
• M7: 4,794,313 km (0.032 R)
• M8: 5,358,446 km (0.109 R)
• M9: 7,281,228 km (0.097 R)
• M10: 11,893,629 km (0.115 R)
• M11: 12,321,928 km (0.119 R)
• M12: 13,901,981 km (0.048 R)
• M13: 15,297,579 km (0.107 R)
• M14: 17,597,198 km (0.093 R)
• M15: 19,082,405 km (0.049 R)
• M16: 20,496,703 km (0.078 R)
• M17: 20,957,614 km (0.109 R)
• M18: 22,139,886 km (0.064 R)
• M19: 25,158,024 km (0.098 R)
• M20: 29,497,110 km (0.067 R)
• M21: 31,894,266 km (0.087 R)
• M22: 33,775,310 km (0.033 R)
• M23: 34,095,748 km (0.052 R)
• M24: 34,418,431 km (0.104 R)
• M25: 36,173,214 km (0.088 R)
• M26: 37,413,829 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.1

Radius: 11.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.36 AU - 5.56 AU

Year: 7132 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,804,485 km

• M1: 143,016 km (0.115 R)
• M2: 565,330 km (0.096 R)
• M3: 1,182,122 km (0.087 R)
• M4: 1,674,449 km (0.098 R)
• M5: 2,251,298 km (0.107 R)
• M6: 2,624,695 km (0.047 R)
• M7: 3,567,760 km (0.036 R)
• M8: 4,028,671 km (0.12 R)
• M9: 4,837,846 km (0.107 R)
• M10: 5,948,011 km (0.076 R)
• M11: 6,850,236 km (0.104 R)
• M12: 8,455,421 km (0.08 R)
• M13: 8,925,907 km (0.059 R)
• M14: 10,013,034 km (0.107 R)
• M15: 11,035,087 km (0.073 R)
• M16: 11,754,054 km (0.102 R)
• M17: 13,805,340 km (0.046 R)
• M18: 14,701,282 km (0.118 R)
• M19: 15,382,551 km (0.086 R)
• M20: 15,955,510 km (0.08 R)
• M21: 20,146,644 km (0.1 R)
• M22: 23,818,823 km (0.081 R)
• M23: 24,414,223 km (0.057 R)
• M24: 26,622,138 km (0.073 R)
• M25: 27,355,915 km (0.029 R)
• M26: 28,577,083 km (0.101 R)
• M27: 29,346,315 km (0.075 R)
• M28: 34,687,557 km (0.075 R)
• M29: 38,509,933 km (0.057 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: 329 - 12,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit