🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 11.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.4 AU - 2.06 AU

Year: 1469 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,894,597 km

• M1: 146,756 km (0.115 R)
• M2: 521,498 km (0.057 R)
• M3: 1,039,256 km (0.12 R)
• M4: 1,474,137 km (0.1 R)
• M5: 1,844,392 km (0.06 R)
• M6: 2,532,243 km (0.115 R)
• M7: 3,293,098 km (0.083 R)
• M8: 4,058,889 km (0.063 R)
• M9: 4,939,871 km (0.092 R)
• M10: 5,587,929 km (0.119 R)
• M11: 6,977,693 km (0.065 R)
• M12: 9,122,628 km (0.052 R)
• M13: 10,034,128 km (0.105 R)
• M14: 10,428,767 km (0.04 R)
• M15: 11,711,120 km (0.105 R)
• M16: 13,095,947 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 8.6

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.64 AU - 2.02 AU

Year: 1598 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,894,597 km

• M1: 107,262 km (0.097 R)
• M2: 425,456 km (0.113 R)
• M3: 815,308 km (0.063 R)
• M4: 1,097,600 km (0.031 R)
• M5: 1,837,361 km (0.047 R)
• M6: 2,155,556 km (0.079 R)
• M7: 2,433,957 km (0.071 R)
• M8: 3,124,052 km (0.083 R)
• M9: 3,514,952 km (0.075 R)
• M10: 3,973,768 km (0.092 R)
• M11: 4,627,361 km (0.053 R)
• M12: 6,687,324 km (0.117 R)
• M13: 6,994,897 km (0.06 R)
• M14: 8,889,853 km (0.097 R)
• M15: 9,580,397 km (0.115 R)
• M16: 10,306,396 km (0.097 R)
• M17: 10,856,916 km (0.069 R)
• M18: 11,246,768 km (0.095 R)
• M19: 11,830,349 km (0.099 R)
• M20: 12,472,423 km (0.112 R)
• M21: 13,743,856 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 13

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.99 AU - 3.73 AU

Year: 3977 Days

Day: 5.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,894,597 km

• M1: 164,558 km (0.072 R)
• M2: 1,065,286 km (0.092 R)
• M3: 1,916,648 km (0.071 R)
• M4: 2,344,199 km (0.099 R)
• M5: 3,070,347 km (0.118 R)
• M6: 3,641,362 km (0.116 R)
• M7: 4,520,698 km (0.074 R)
• M8: 6,387,380 km (0.07 R)
• M9: 12,094,389 km (0.114 R)
• M10: 12,575,496 km (0.095 R)
• M11: 13,069,319 km (0.081 R)
• M12: 16,602,072 km (0.096 R)
• M13: 17,929,454 km (0.102 R)
• M14: 23,209,062 km (0.1 R)
• M15: 26,927,168 km (0.066 R)
• M16: 27,500,726 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.28 AU - 3.66 AU

Year: 4174 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,894,597 km

• M1: 156,629 km (0.1 R)
• M2: 567,126 km (0.092 R)
• M3: 984,653 km (0.048 R)
• M4: 1,654,852 km (0.113 R)
• M5: 2,399,849 km (0.12 R)
• M6: 3,982,595 km (0.074 R)
• M7: 4,506,785 km (0.117 R)
• M8: 5,076,903 km (0.059 R)
• M9: 5,578,804 km (0.061 R)
• M10: 6,913,366 km (0.092 R)
• M11: 9,157,933 km (0.104 R)
• M12: 10,870,978 km (0.108 R)
• M13: 11,565,411 km (0.111 R)
• M14: 12,637,430 km (0.103 R)
• M15: 13,094,601 km (0.096 R)
• M16: 14,367,978 km (0.093 R)
• M17: 16,192,324 km (0.084 R)
• M18: 16,914,732 km (0.04 R)
• M19: 18,749,400 km (0.091 R)
• M20: 20,227,128 km (0.083 R)
• M21: 26,588,030 km (0.081 R)
• M22: 27,004,061 km (0.106 R)
• M23: 30,219,069 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 6.6

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.84 AU - 8.06 AU

Year: 10577 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,894,597 km

• M1: 83,176 km (0.082 R)
• M2: 291,267 km (0.056 R)
• M3: 569,220 km (0.116 R)
• M4: 916,437 km (0.108 R)
• M5: 1,583,793 km (0.107 R)
• M6: 2,673,015 km (0.077 R)
• M7: 4,668,800 km (0.101 R)
• M8: 5,212,588 km (0.062 R)
• M9: 6,353,870 km (0.091 R)
• M10: 8,279,045 km (0.095 R)
• M11: 8,983,801 km (0.052 R)
• M12: 9,680,179 km (0.056 R)
• M13: 10,262,713 km (0.083 R)
• M14: 11,444,088 km (0.103 R)
• M15: 12,150,638 km (0.051 R)
• M16: 13,710,495 km (0.119 R)
• M17: 17,151,845 km (0.082 R)
• M18: 17,574,459 km (0.089 R)
• M19: 18,004,104 km (0.079 R)
• M20: 20,414,125 km (0.048 R)
• M21: 23,459,190 km (0.094 R)
• M22: 23,718,593 km (0.083 R)
• M23: 24,775,502 km (0.074 R)
• M24: 27,172,508 km (0.069 R)
• M25: 28,820,778 km (0.061 R)
• M26: 31,890,077 km (0.069 R)
• M27: 34,945,165 km (0.03 R)
• M28: 36,659,407 km (0.11 R)
• M29: 39,639,995 km (0.058 R)
• M30: 40,008,155 km (0.078 R)
• M31: 41,001,036 km (0.091 R)
• M32: 42,521,100 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 4.7

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.78 AU - 11.78 AU

Year: 22853 Days

Day: 24.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,894,597 km

• M1: 58,792 km (0.08 R)
• M2: 260,151 km (0.075 R)
• M3: 1,530,386 km (0.112 R)
• M4: 2,170,665 km (0.111 R)
• M5: 3,427,287 km (0.068 R)
• M6: 3,925,598 km (0.073 R)
• M7: 4,578,443 km (0.118 R)
• M8: 4,911,747 km (0.071 R)
• M9: 5,340,943 km (0.087 R)
• M10: 9,186,506 km (0.084 R)
• M11: 11,097,170 km (0.087 R)
• M12: 14,241,268 km (0.072 R)
• M13: 14,632,317 km (0.052 R)
• M14: 26,654,152 km (0.116 R)
• M15: 27,608,137 km (0.111 R)
• M16: 27,850,187 km (0.102 R)
• M17: 32,586,755 km (0.107 R)
• M18: 39,956,394 km (0.104 R)
• M19: 52,696,897 km (0.072 R)
• M20: 54,576,594 km (0.079 R)
• M21: 67,238,259 km (0.067 R)
• M22: 71,250,175 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.5

Radius: 3

Gravity: 69.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.61 AU - 13.03 AU

Year: 22980 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,894,597 km

• M1: 37,399 km (0.104 R)
• M2: 136,433 km (0.095 R)
• M3: 264,040 km (0.12 R)
• M4: 441,613 km (0.09 R)
• M5: 2,242,322 km (0.117 R)
• M6: 3,685,493 km (0.098 R)
• M7: 3,904,953 km (0.081 R)
• M8: 5,290,230 km (0.118 R)
• M9: 6,244,365 km (0.077 R)
• M10: 6,601,455 km (0.064 R)
• M11: 7,553,795 km (0.078 R)
• M12: 7,754,705 km (0.059 R)
• M13: 9,376,495 km (0.113 R)
• M14: 10,700,137 km (0.097 R)
• M15: 11,146,089 km (0.096 R)
• M16: 12,628,454 km (0.102 R)
• M17: 13,054,509 km (0.076 R)
• M18: 13,860,243 km (0.048 R)
• M19: 14,543,606 km (0.107 R)
• M20: 22,140,485 km (0.059 R)
• M21: 23,923,243 km (0.092 R)
• M22: 25,237,759 km (0.082 R)
• M23: 25,573,756 km (0.106 R)
• M24: 26,140,433 km (0.101 R)
• M25: 26,369,317 km (0.104 R)
• M26: 39,601,100 km (0.096 R)
• M27: 47,280,407 km (0.111 R)
• M28: 49,169,828 km (0.092 R)
• M29: 50,930,745 km (0.029 R)
• M30: 52,187,965 km (0.105 R)
• M31: 52,733,100 km (0.084 R)
• M32: 54,577,642 km (0.071 R)
• M33: 60,169,012 km (0.09 R)
• M34: 60,768,301 km (0.088 R)
• M35: 62,385,902 km (0.114 R)
• M36: 67,410,596 km (0.077 R)
• M37: 67,841,138 km (0.115 R)
• M38: 71,574,652 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit