🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 9.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.47 AU - 4.61 AU

Year: 4317 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,478,828 km

• M1: 116,986 km (0.095 R)
• M2: 436,975 km (0.032 R)
• M3: 743,501 km (0.113 R)
• M4: 1,840,353 km (0.076 R)
• M5: 2,316,224 km (0.085 R)
• M6: 3,260,037 km (0.087 R)
• M7: 3,699,107 km (0.077 R)
• M8: 4,817,351 km (0.07 R)
• M9: 5,129,262 km (0.041 R)
• M10: 6,027,747 km (0.072 R)
• M11: 7,539,583 km (0.065 R)
• M12: 8,759,853 km (0.086 R)
• M13: 10,344,394 km (0.102 R)
• M14: 11,735,654 km (0.106 R)
• M15: 12,341,076 km (0.112 R)
• M16: 14,113,662 km (0.026 R)

Planet 2 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 6

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 13.07 AU - 14.47 AU

Year: 22801 Days

Day: 18.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,478,828 km

• M1: 74,649 km (0.117 R)
• M2: 263,442 km (0.057 R)
• M3: 487,988 km (0.106 R)
• M4: 711,787 km (0.107 R)
• M5: 1,852,770 km (0.086 R)
• M6: 2,129,974 km (0.079 R)
• M7: 2,645,489 km (0.091 R)
• M8: 3,496,401 km (0.089 R)
• M9: 5,928,713 km (0.089 R)
• M10: 7,861,518 km (0.093 R)
• M11: 8,324,523 km (0.105 R)
• M12: 13,705,409 km (0.099 R)
• M13: 16,936,274 km (0.1 R)
• M14: 17,970,145 km (0.114 R)
• M15: 18,412,955 km (0.09 R)
• M16: 19,045,305 km (0.117 R)
• M17: 22,222,464 km (0.065 R)
• M18: 23,250,800 km (0.032 R)
• M19: 29,235,912 km (0.048 R)
• M20: 33,172,729 km (0.051 R)
• M21: 41,768,623 km (0.055 R)
• M22: 43,016,269 km (0.043 R)
• M23: 45,749,572 km (0.119 R)
• M24: 47,075,009 km (0.083 R)
• M25: 47,747,302 km (0.059 R)
• M26: 50,851,607 km (0.071 R)
• M27: 77,591,628 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.6

Radius: 7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 12.92 AU - 15.5 AU

Year: 23903 Days

Day: 16.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,478,828 km

• M1: 92,601 km (0.042 R)
• M2: 523,443 km (0.07 R)
• M3: 947,403 km (0.074 R)
• M4: 1,552,377 km (0.112 R)
• M5: 2,825,904 km (0.088 R)
• M6: 3,063,316 km (0.089 R)
• M7: 4,880,032 km (0.092 R)
• M8: 5,767,746 km (0.075 R)
• M9: 6,230,153 km (0.084 R)
• M10: 7,012,550 km (0.071 R)
• M11: 8,771,372 km (0.061 R)
• M12: 9,699,178 km (0.082 R)
• M13: 10,408,870 km (0.094 R)
• M14: 11,448,127 km (0.1 R)
• M15: 13,265,142 km (0.072 R)
• M16: 14,907,727 km (0.079 R)
• M17: 17,698,774 km (0.036 R)
• M18: 19,770,406 km (0.089 R)
• M19: 20,819,984 km (0.082 R)
• M20: 22,090,818 km (0.08 R)
• M21: 23,220,581 km (0.092 R)
• M22: 24,092,887 km (0.072 R)
• M23: 25,492,973 km (0.035 R)
• M24: 26,525,498 km (0.116 R)
• M25: 27,052,232 km (0.119 R)
• M26: 30,935,792 km (0.103 R)
• M27: 31,754,691 km (0.094 R)
• M28: 46,286,928 km (0.112 R)
• M29: 46,591,210 km (0.102 R)
• M30: 53,460,594 km (0.097 R)
• M31: 55,491,385 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.2

Radius: 7.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 12.52 AU - 16.1 AU

Year: 24155 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,478,828 km

• M1: 101,278 km (0.088 R)
• M2: 543,938 km (0.083 R)
• M3: 1,158,785 km (0.092 R)
• M4: 3,721,397 km (0.052 R)
• M5: 4,052,307 km (0.039 R)
• M6: 6,815,679 km (0.07 R)
• M7: 9,270,580 km (0.112 R)
• M8: 10,166,522 km (0.098 R)
• M9: 10,875,616 km (0.094 R)
• M10: 12,524,483 km (0.064 R)
• M11: 13,901,532 km (0.102 R)
• M12: 17,034,710 km (0.102 R)
• M13: 19,160,196 km (0.091 R)
• M14: 27,141,392 km (0.082 R)
• M15: 32,354,579 km (0.075 R)
• M16: 35,062,899 km (0.099 R)
• M17: 35,461,726 km (0.044 R)
• M18: 36,133,122 km (0.108 R)
• M19: 38,058,297 km (0.063 R)
• M20: 38,903,824 km (0.085 R)
• M21: 42,713,334 km (0.092 R)
• M22: 43,168,410 km (0.082 R)
• M23: 50,894,392 km (0.082 R)
• M24: 51,234,877 km (0.097 R)
• M25: 52,438,691 km (0.114 R)
• M26: 55,620,788 km (0.105 R)
• M27: 60,631,568 km (0.062 R)
• M28: 61,784,519 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 17,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit