🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 14.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.56 AU - 0.56 AU

Year: 284 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,619,988 km

• M1: 182,958 km (0.069 R)
• M2: 675,734 km (0.116 R)
• M3: 1,192,295 km (0.106 R)
• M4: 1,653,655 km (0.118 R)
• M5: 2,137,454 km (0.109 R)
• M6: 2,826,951 km (0.081 R)
• M7: 3,412,178 km (0.088 R)
• M8: 4,186,945 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 15

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.54 AU - 2.9 AU

Year: 3043 Days

Day: 13.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,619,988 km

• M1: 187,147 km (0.116 R)
• M2: 753,674 km (0.088 R)
• M3: 1,248,245 km (0.08 R)
• M4: 1,855,762 km (0.11 R)
• M5: 2,490,057 km (0.075 R)
• M6: 3,023,074 km (0.08 R)
• M7: 4,489,133 km (0.073 R)
• M8: 5,333,912 km (0.079 R)
• M9: 6,151,913 km (0.029 R)
• M10: 6,715,000 km (0.076 R)
• M11: 7,519,387 km (0.093 R)
• M12: 9,529,983 km (0.079 R)
• M13: 11,043,464 km (0.115 R)
• M14: 12,332,100 km (0.061 R)
• M15: 12,883,369 km (0.094 R)
• M16: 13,540,103 km (0.045 R)
• M17: 14,920,443 km (0.109 R)
• M18: 16,852,799 km (0.102 R)
• M19: 17,906,267 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 11.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.73 AU - 3.33 AU

Year: 3577 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,619,988 km

• M1: 138,827 km (0.119 R)
• M2: 488,437 km (0.115 R)
• M3: 1,177,634 km (0.102 R)
• M4: 1,654,253 km (0.118 R)
• M5: 2,457,743 km (0.05 R)
• M6: 3,247,171 km (0.106 R)
• M7: 3,628,796 km (0.05 R)
• M8: 4,462,654 km (0.074 R)
• M9: 6,322,006 km (0.058 R)
• M10: 8,552,211 km (0.047 R)
• M11: 9,148,957 km (0.086 R)
• M12: 11,778,140 km (0.095 R)
• M13: 12,855,693 km (0.097 R)
• M14: 13,773,177 km (0.116 R)
• M15: 14,640,396 km (0.074 R)
• M16: 15,398,408 km (0.067 R)
• M17: 16,232,416 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 12.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.91 AU - 3.97 AU

Year: 5304 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,619,988 km

• M1: 155,731 km (0.073 R)
• M2: 851,511 km (0.075 R)
• M3: 2,295,879 km (0.11 R)
• M4: 4,592,804 km (0.119 R)
• M5: 6,353,122 km (0.092 R)
• M6: 8,563,132 km (0.072 R)
• M7: 10,212,149 km (0.12 R)
• M8: 15,686,833 km (0.116 R)
• M9: 16,942,557 km (0.102 R)
• M10: 22,999,775 km (0.113 R)
• M11: 24,769,667 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.2

Radius: 3.6

Gravity: 62.59 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.36 AU - 6 AU

Year: 9182 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,619,988 km

• M1: 193,729 km (0.096 R)
• M2: 433,385 km (0.107 R)
• M3: 604,675 km (0.117 R)
• M4: 857,196 km (0.065 R)
• M5: 1,051,075 km (0.098 R)
• M6: 1,324,091 km (0.063 R)
• M7: 1,942,528 km (0.053 R)
• M8: 2,410,620 km (0.116 R)
• M9: 2,733,751 km (0.037 R)
• M10: 3,319,278 km (0.047 R)
• M11: 4,038,993 km (0.091 R)
• M12: 5,337,802 km (0.104 R)
• M13: 5,641,186 km (0.107 R)
• M14: 6,506,311 km (0.113 R)
• M15: 6,658,601 km (0.106 R)
• M16: 11,177,654 km (0.069 R)
• M17: 11,396,366 km (0.098 R)
• M18: 19,994,803 km (0.093 R)
• M19: 21,137,730 km (0.096 R)
• M20: 31,779,225 km (0.061 R)
• M21: 34,819,353 km (0.053 R)
• M22: 35,051,978 km (0.11 R)
• M23: 40,179,295 km (0.087 R)
• M24: 44,405,286 km (0.116 R)
• M25: 44,541,868 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.9

Radius: 8

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.74 AU - 9.9 AU

Year: 20872 Days

Day: 19.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 42,619,988 km

• M1: 100,979 km (0.045 R)
• M2: 371,152 km (0.049 R)
• M3: 730,636 km (0.119 R)
• M4: 1,163,123 km (0.11 R)
• M5: 1,669,811 km (0.088 R)
• M6: 2,338,065 km (0.097 R)
• M7: 3,570,004 km (0.1 R)
• M8: 4,360,778 km (0.049 R)
• M9: 5,537,216 km (0.082 R)
• M10: 6,729,062 km (0.091 R)
• M11: 8,186,743 km (0.069 R)
• M12: 10,565,350 km (0.094 R)
• M13: 11,386,343 km (0.07 R)
• M14: 12,731,228 km (0.076 R)
• M15: 15,020,524 km (0.088 R)
• M16: 15,733,507 km (0.113 R)
• M17: 18,095,957 km (0.108 R)
• M18: 18,812,231 km (0.104 R)
• M19: 21,270,573 km (0.083 R)
• M20: 21,567,375 km (0.079 R)
• M21: 21,967,400 km (0.119 R)
• M22: 33,251,568 km (0.115 R)
• M23: 34,189,845 km (0.039 R)
• M24: 37,110,295 km (0.072 R)
• M25: 38,411,348 km (0.116 R)
• M26: 38,999,267 km (0.103 R)
• M27: 39,295,471 km (0.113 R)
• M28: 47,029,831 km (0.118 R)
• M29: 48,895,466 km (0.118 R)
• M30: 50,458,165 km (0.095 R)
• M31: 51,518,365 km (0.076 R)
• M32: 52,233,293 km (0.049 R)
• M33: 52,954,953 km (0.112 R)
• M34: 53,683,046 km (0.044 R)
• M35: 56,284,404 km (0.073 R)
• M36: 58,000,291 km (0.113 R)
• M37: 67,958,423 km (0.092 R)
• M38: 68,602,592 km (0.11 R)
• M39: 73,001,966 km (0.115 R)
• M40: 74,813,147 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.9

Radius: 6.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.03 AU - 12.15 AU

Year: 21738 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,619,988 km

• M1: 133,740 km (0.076 R)
• M2: 385,663 km (0.092 R)
• M3: 679,922 km (0.061 R)
• M4: 1,100,592 km (0.086 R)
• M5: 1,491,491 km (0.083 R)
• M6: 2,153,013 km (0.081 R)
• M7: 2,786,410 km (0.116 R)
• M8: 5,058,203 km (0.109 R)
• M9: 6,100,003 km (0.079 R)
• M10: 6,598,014 km (0.114 R)
• M11: 11,604,905 km (0.104 R)
• M12: 11,819,877 km (0.102 R)
• M13: 15,308,500 km (0.052 R)
• M14: 15,697,753 km (0.059 R)
• M15: 16,496,008 km (0.094 R)
• M16: 17,042,937 km (0.099 R)
• M17: 18,536,373 km (0.115 R)
• M18: 19,052,934 km (0.047 R)
• M19: 19,807,656 km (0.041 R)
• M20: 20,660,513 km (0.099 R)
• M21: 26,206,705 km (0.063 R)
• M22: 36,553,342 km (0.096 R)
• M23: 37,016,048 km (0.081 R)
• M24: 40,118,559 km (0.108 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: 236 - 11,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit