🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 13.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.04 AU - 2.54 AU

Year: 2392 Days

Day: 9.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,179,932 km

• M1: 175,030 km (0.092 R)
• M2: 609,013 km (0.107 R)
• M3: 1,042,847 km (0.052 R)
• M4: 1,652,308 km (0.095 R)
• M5: 2,157,201 km (0.12 R)
• M6: 3,111,785 km (0.099 R)
• M7: 3,749,371 km (0.083 R)
• M8: 4,331,606 km (0.089 R)
• M9: 4,765,440 km (0.114 R)
• M10: 5,368,918 km (0.079 R)
• M11: 6,245,412 km (0.112 R)
• M12: 6,706,473 km (0.084 R)
• M13: 7,165,588 km (0.107 R)
• M14: 8,039,988 km (0.088 R)
• M15: 8,727,390 km (0.06 R)
• M16: 9,603,735 km (0.114 R)
• M17: 10,283,058 km (0.101 R)
• M18: 10,994,247 km (0.096 R)
• M19: 11,463,834 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 8.1

Gravity: 14.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.41 AU - 5.57 AU

Year: 7694 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,179,932 km

• M1: 100,679 km (0.11 R)
• M2: 473,328 km (0.112 R)
• M3: 980,614 km (0.104 R)
• M4: 2,005,659 km (0.033 R)
• M5: 2,298,721 km (0.104 R)
• M6: 2,844,304 km (0.111 R)
• M7: 3,125,698 km (0.097 R)
• M8: 3,425,642 km (0.039 R)
• M9: 4,247,233 km (0.093 R)
• M10: 5,853,166 km (0.078 R)
• M11: 7,100,214 km (0.095 R)
• M12: 9,864,184 km (0.076 R)
• M13: 10,310,136 km (0.094 R)
• M14: 10,873,372 km (0.106 R)
• M15: 12,456,865 km (0.115 R)
• M16: 13,333,509 km (0.071 R)
• M17: 15,804,865 km (0.079 R)
• M18: 16,484,489 km (0.099 R)
• M19: 17,612,457 km (0.073 R)
• M20: 19,322,809 km (0.087 R)
• M21: 20,897,626 km (0.111 R)
• M22: 23,070,385 km (0.101 R)
• M23: 25,023,086 km (0.085 R)
• M24: 27,957,748 km (0.079 R)
• M25: 32,073,484 km (0.113 R)
• M26: 34,050,570 km (0.102 R)
• M27: 34,387,913 km (0.059 R)
• M28: 39,223,066 km (0.043 R)
• M29: 40,091,481 km (0.081 R)
• M30: 44,225,469 km (0.055 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 4.9

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.17 AU - 6.95 AU

Year: 9049 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,179,932 km

• M1: 79,436 km (0.058 R)
• M2: 290,669 km (0.029 R)
• M3: 493,075 km (0.104 R)
• M4: 788,979 km (0.12 R)
• M5: 1,085,333 km (0.052 R)
• M6: 1,417,290 km (0.082 R)
• M7: 1,600,847 km (0.108 R)
• M8: 3,409,784 km (0.114 R)
• M9: 6,297,023 km (0.03 R)
• M10: 9,017,161 km (0.116 R)
• M11: 9,650,708 km (0.088 R)
• M12: 11,005,915 km (0.118 R)
• M13: 12,380,570 km (0.084 R)
• M14: 12,898,179 km (0.07 R)
• M15: 13,756,123 km (0.114 R)
• M16: 15,704,336 km (0.115 R)
• M17: 16,557,492 km (0.089 R)
• M18: 17,312,962 km (0.076 R)
• M19: 22,562,500 km (0.117 R)
• M20: 22,946,069 km (0.114 R)
• M21: 24,443,245 km (0.064 R)
• M22: 27,805,756 km (0.087 R)
• M23: 29,051,906 km (0.094 R)
• M24: 30,895,999 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.3

Radius: 7.3

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.66 AU - 6.64 AU

Year: 10527 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,179,932 km

• M1: 91,105 km (0.082 R)
• M2: 340,335 km (0.04 R)
• M3: 585,227 km (0.08 R)
• M4: 923,019 km (0.087 R)
• M5: 2,177,547 km (0.081 R)
• M6: 2,525,810 km (0.08 R)
• M7: 2,821,865 km (0.1 R)
• M8: 3,744,584 km (0.06 R)
• M9: 4,635,290 km (0.092 R)
• M10: 5,416,490 km (0.049 R)
• M11: 5,766,699 km (0.056 R)
• M12: 6,473,848 km (0.05 R)
• M13: 7,113,080 km (0.037 R)
• M14: 8,516,607 km (0.098 R)
• M15: 9,432,445 km (0.114 R)
• M16: 20,063,169 km (0.11 R)
• M17: 21,852,060 km (0.102 R)
• M18: 27,852,580 km (0.052 R)
• M19: 30,619,692 km (0.093 R)
• M20: 42,695,980 km (0.114 R)
• M21: 43,385,327 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.2

Radius: 4.3

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.67 AU - 11.21 AU

Year: 21632 Days

Day: 20.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,179,932 km

• M1: 53,556 km (0.086 R)
• M2: 203,004 km (0.084 R)
• M3: 643,570 km (0.112 R)
• M4: 1,037,611 km (0.102 R)
• M5: 1,249,441 km (0.092 R)
• M6: 3,133,178 km (0.067 R)
• M7: 5,395,546 km (0.103 R)
• M8: 5,637,297 km (0.077 R)
• M9: 5,850,174 km (0.054 R)
• M10: 8,467,239 km (0.05 R)
• M11: 9,080,292 km (0.045 R)
• M12: 10,236,683 km (0.076 R)
• M13: 11,544,468 km (0.059 R)
• M14: 12,655,681 km (0.119 R)
• M15: 15,987,824 km (0.111 R)
• M16: 16,342,969 km (0.09 R)
• M17: 17,740,662 km (0.12 R)
• M18: 20,188,681 km (0.118 R)
• M19: 23,668,328 km (0.064 R)
• M20: 24,036,787 km (0.08 R)
• M21: 25,645,713 km (0.114 R)
• M22: 29,818,446 km (0.115 R)
• M23: 34,421,722 km (0.113 R)
• M24: 37,076,785 km (0.096 R)
• M25: 39,219,475 km (0.108 R)
• M26: 41,310,255 km (0.105 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: 527 - 12,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit