🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 13.5

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 6.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,871,622 km

• M1: 168,447 km (0.107 R)
• M2: 700,118 km (0.113 R)
• M3: 1,129,165 km (0.087 R)
• M4: 1,606,083 km (0.116 R)
• M5: 2,055,475 km (0.118 R)
• M6: 2,558,572 km (0.116 R)
• M7: 2,994,052 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 101.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,871,622 km

• M1: 145,559 km (0.091 R)
• M2: 645,365 km (0.106 R)
• M3: 1,226,553 km (0.108 R)
• M4: 1,666,520 km (0.104 R)
• M5: 2,244,566 km (0.111 R)
• M6: 2,723,280 km (0.113 R)
• M7: 3,093,385 km (0.096 R)
• M8: 3,597,978 km (0.118 R)
• M9: 4,009,073 km (0.075 R)
• M10: 4,530,572 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 9.3

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.87 AU - 2.61 AU

Year: 2314 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,871,622 km

• M1: 115,639 km (0.075 R)
• M2: 505,042 km (0.103 R)
• M3: 838,346 km (0.108 R)
• M4: 1,187,508 km (0.116 R)
• M5: 1,972,448 km (0.119 R)
• M6: 3,069,449 km (0.099 R)
• M7: 3,381,660 km (0.095 R)
• M8: 4,187,095 km (0.084 R)
• M9: 5,251,932 km (0.059 R)
• M10: 7,937,962 km (0.095 R)
• M11: 9,836,658 km (0.045 R)
• M12: 10,854,074 km (0.104 R)
• M13: 11,622,707 km (0.116 R)
• M14: 12,717,315 km (0.062 R)
• M15: 14,554,377 km (0.063 R)
• M16: 16,661,912 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 12.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.07 AU - 2.57 AU

Year: 2439 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,871,622 km

• M1: 153,039 km (0.091 R)
• M2: 561,441 km (0.115 R)
• M3: 962,662 km (0.115 R)
• M4: 1,596,209 km (0.114 R)
• M5: 3,132,879 km (0.049 R)
• M6: 3,597,978 km (0.097 R)
• M7: 4,249,627 km (0.059 R)
• M8: 6,173,904 km (0.117 R)
• M9: 6,603,100 km (0.116 R)
• M10: 7,612,288 km (0.115 R)
• M11: 9,160,027 km (0.102 R)
• M12: 10,265,406 km (0.117 R)
• M13: 11,618,070 km (0.036 R)
• M14: 12,740,203 km (0.088 R)
• M15: 13,483,106 km (0.086 R)
• M16: 14,911,766 km (0.093 R)
• M17: 15,540,077 km (0.119 R)
• M18: 17,638,038 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 8.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.12 AU - 2.56 AU

Year: 2471 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,871,622 km

• M1: 108,907 km (0.092 R)
• M2: 473,627 km (0.056 R)
• M3: 837,748 km (0.082 R)
• M4: 1,270,984 km (0.08 R)
• M5: 1,570,478 km (0.066 R)
• M6: 2,185,475 km (0.089 R)
• M7: 2,506,662 km (0.072 R)
• M8: 4,140,719 km (0.109 R)
• M9: 5,239,067 km (0.115 R)
• M10: 6,123,789 km (0.09 R)
• M11: 6,794,586 km (0.095 R)
• M12: 7,162,297 km (0.086 R)
• M13: 8,409,943 km (0.069 R)
• M14: 8,900,625 km (0.086 R)
• M15: 10,865,144 km (0.109 R)
• M16: 11,686,286 km (0.06 R)
• M17: 12,590,306 km (0.069 R)
• M18: 12,973,127 km (0.104 R)
• M19: 14,352,121 km (0.09 R)
• M20: 17,873,804 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 14.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.78 AU - 3.1 AU

Year: 3480 Days

Day: 9.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,871,622 km

• M1: 177,872 km (0.115 R)
• M2: 652,247 km (0.114 R)
• M3: 1,190,949 km (0.092 R)
• M4: 1,666,371 km (0.094 R)
• M5: 2,271,344 km (0.119 R)
• M6: 3,831,201 km (0.119 R)
• M7: 5,777,919 km (0.087 R)
• M8: 8,147,100 km (0.096 R)
• M9: 13,311,069 km (0.082 R)
• M10: 15,326,900 km (0.105 R)
• M11: 16,113,037 km (0.114 R)
• M12: 16,652,038 km (0.054 R)
• M13: 17,370,557 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.7

Radius: 6.3

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.99 AU - 6.25 AU

Year: 9196 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,871,622 km

• M1: 87,365 km (0.112 R)
• M2: 297,550 km (0.076 R)
• M3: 1,001,558 km (0.035 R)
• M4: 1,614,759 km (0.053 R)
• M5: 2,003,415 km (0.097 R)
• M6: 2,272,392 km (0.094 R)
• M7: 2,681,691 km (0.089 R)
• M8: 2,924,938 km (0.073 R)
• M9: 3,622,512 km (0.098 R)
• M10: 4,824,980 km (0.109 R)
• M11: 5,124,625 km (0.093 R)
• M12: 6,307,645 km (0.041 R)
• M13: 6,557,323 km (0.077 R)
• M14: 6,850,685 km (0.118 R)
• M15: 7,076,428 km (0.103 R)
• M16: 7,905,799 km (0.094 R)
• M17: 8,196,168 km (0.113 R)
• M18: 11,557,184 km (0.077 R)
• M19: 20,748,028 km (0.04 R)
• M20: 22,601,546 km (0.113 R)
• M21: 23,954,359 km (0.105 R)
• M22: 25,181,510 km (0.06 R)
• M23: 38,879,140 km (0.115 R)
• M24: 40,816,881 km (0.097 R)
• M25: 41,311,153 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.9

Radius: 4.2

Gravity: 23.75 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.98 AU - 6.96 AU

Year: 10069 Days

Day: 20.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,871,622 km

• M1: 52,210 km (0.111 R)
• M2: 195,524 km (0.117 R)
• M3: 327,769 km (0.063 R)
• M4: 1,291,927 km (0.083 R)
• M5: 1,743,114 km (0.077 R)
• M6: 1,909,467 km (0.069 R)
• M7: 2,327,593 km (0.119 R)
• M8: 2,492,301 km (0.119 R)
• M9: 3,054,938 km (0.086 R)
• M10: 3,343,213 km (0.094 R)
• M11: 3,821,777 km (0.06 R)
• M12: 4,399,374 km (0.081 R)
• M13: 4,825,279 km (0.093 R)
• M14: 5,403,475 km (0.119 R)
• M15: 5,858,253 km (0.092 R)
• M16: 6,129,324 km (0.034 R)
• M17: 7,375,474 km (0.111 R)
• M18: 8,182,555 km (0.054 R)
• M19: 8,564,179 km (0.118 R)
• M20: 10,954,753 km (0.052 R)
• M21: 11,948,382 km (0.054 R)
• M22: 12,494,863 km (0.109 R)
• M23: 13,287,582 km (0.086 R)
• M24: 13,874,006 km (0.12 R)
• M25: 15,035,484 km (0.116 R)
• M26: 15,351,584 km (0.039 R)
• M27: 15,543,368 km (0.091 R)
• M28: 15,996,949 km (0.115 R)
• M29: 16,392,935 km (0.093 R)
• M30: 17,549,925 km (0.117 R)
• M31: 18,979,631 km (0.086 R)
• M32: 20,873,540 km (0.081 R)
• M33: 24,855,985 km (0.11 R)
• M34: 25,297,748 km (0.076 R)
• M35: 26,839,354 km (0.056 R)
• M36: 28,635,127 km (0.105 R)
• M37: 32,885,651 km (0.076 R)
• M38: 40,141,297 km (0.046 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 11,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit