🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.44 AU - 0.64 AU

Year: 260 Days

Day: 21.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.46 AU - 0.72 AU

Year: 297 Days

Day: 24 Hours

Environment

Temp: -129 °C

Axial Tilt: 127 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,906,108 km

• M1: 86,318 km (0.09 R)
• M2: 395,686 km (0.034 R)

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 9.2

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.71 AU - 2.23 AU

Year: 1814 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,906,108 km

• M1: 121,174 km (0.059 R)
• M2: 435,779 km (0.096 R)
• M3: 848,818 km (0.06 R)
• M4: 1,625,680 km (0.11 R)
• M5: 1,949,260 km (0.077 R)
• M6: 2,461,932 km (0.094 R)
• M7: 2,787,457 km (0.071 R)
• M8: 3,109,691 km (0.057 R)
• M9: 3,439,853 km (0.085 R)
• M10: 5,158,284 km (0.069 R)
• M11: 5,719,127 km (0.109 R)
• M12: 6,529,498 km (0.088 R)
• M13: 6,907,382 km (0.09 R)
• M14: 8,037,295 km (0.042 R)
• M15: 8,726,792 km (0.114 R)
• M16: 9,053,065 km (0.116 R)
• M17: 9,869,271 km (0.111 R)
• M18: 10,512,990 km (0.048 R)
• M19: 11,765,723 km (0.118 R)
• M20: 13,630,460 km (0.102 R)
• M21: 14,338,507 km (0.069 R)
• M22: 15,117,613 km (0.112 R)
• M23: 16,810,014 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 12.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.22 AU - 4.1 AU

Year: 4593 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,906,108 km

• M1: 160,668 km (0.1 R)
• M2: 1,074,562 km (0.113 R)
• M3: 2,287,800 km (0.103 R)
• M4: 2,782,371 km (0.058 R)
• M5: 3,308,207 km (0.106 R)
• M6: 3,899,867 km (0.103 R)
• M7: 4,561,239 km (0.081 R)
• M8: 5,078,698 km (0.086 R)
• M9: 5,839,403 km (0.095 R)
• M10: 6,837,819 km (0.105 R)
• M11: 8,056,743 km (0.105 R)
• M12: 8,468,287 km (0.115 R)
• M13: 8,894,042 km (0.118 R)
• M14: 10,432,208 km (0.055 R)
• M15: 11,995,954 km (0.104 R)
• M16: 12,533,908 km (0.098 R)
• M17: 13,088,019 km (0.101 R)
• M18: 14,408,070 km (0.061 R)
• M19: 15,469,317 km (0.081 R)
• M20: 17,373,549 km (0.062 R)
• M21: 18,901,093 km (0.079 R)
• M22: 21,215,671 km (0.083 R)
• M23: 23,485,669 km (0.111 R)
• M24: 25,350,855 km (0.087 R)
• M25: 27,989,014 km (0.073 R)
• M26: 29,639,228 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140

Radius: 4.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.77 AU - 7.03 AU

Year: 9401 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,906,108 km

• M1: 147,952 km (0.073 R)
• M2: 319,691 km (0.04 R)
• M3: 1,439,132 km (0.068 R)
• M4: 1,788,891 km (0.073 R)
• M5: 3,377,621 km (0.092 R)
• M6: 8,979,163 km (0.083 R)
• M7: 13,953,592 km (0.087 R)
• M8: 21,043,633 km (0.116 R)
• M9: 21,666,260 km (0.106 R)
• M10: 23,166,577 km (0.104 R)
• M11: 25,041,337 km (0.084 R)
• M12: 25,350,406 km (0.08 R)
• M13: 25,897,486 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.1

Radius: 4.4

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.17 AU - 6.35 AU

Year: 10275 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,906,108 km

• M1: 73,752 km (0.104 R)
• M2: 465,549 km (0.107 R)
• M3: 1,923,829 km (0.105 R)
• M4: 2,271,943 km (0.044 R)
• M5: 2,914,765 km (0.099 R)
• M6: 4,955,130 km (0.094 R)
• M7: 6,920,697 km (0.114 R)
• M8: 7,158,109 km (0.079 R)
• M9: 10,240,573 km (0.11 R)
• M10: 10,548,894 km (0.091 R)
• M11: 11,005,018 km (0.076 R)
• M12: 11,806,862 km (0.089 R)
• M13: 12,298,591 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.9

Radius: 7.7

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.22 AU - 7.3 AU

Year: 10275 Days

Day: 21.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,906,108 km

• M1: 96,191 km (0.058 R)
• M2: 377,585 km (0.088 R)
• M3: 850,464 km (0.053 R)
• M4: 1,154,148 km (0.053 R)
• M5: 1,544,448 km (0.094 R)
• M6: 1,803,103 km (0.072 R)
• M7: 2,218,237 km (0.079 R)
• M8: 2,781,473 km (0.057 R)
• M9: 3,120,612 km (0.056 R)
• M10: 4,277,452 km (0.117 R)
• M11: 4,668,351 km (0.047 R)
• M12: 5,248,641 km (0.106 R)
• M13: 6,397,852 km (0.094 R)
• M14: 7,663,001 km (0.063 R)
• M15: 9,233,779 km (0.116 R)
• M16: 12,570,111 km (0.109 R)
• M17: 13,122,127 km (0.096 R)
• M18: 19,079,712 km (0.091 R)
• M19: 19,973,261 km (0.104 R)
• M20: 22,107,274 km (0.091 R)
• M21: 27,532,591 km (0.079 R)
• M22: 29,521,494 km (0.106 R)
• M23: 38,822,293 km (0.117 R)
• M24: 40,917,561 km (0.099 R)
• M25: 44,340,510 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.5

Radius: 6.5

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.05 AU - 9.07 AU

Year: 13636 Days

Day: 24.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,906,108 km

• M1: 80,783 km (0.088 R)
• M2: 396,135 km (0.052 R)
• M3: 802,892 km (0.031 R)
• M4: 1,006,195 km (0.095 R)
• M5: 1,803,552 km (0.087 R)
• M6: 2,373,669 km (0.102 R)
• M7: 2,801,220 km (0.068 R)
• M8: 3,253,754 km (0.09 R)
• M9: 3,590,798 km (0.072 R)
• M10: 3,865,609 km (0.114 R)
• M11: 6,596,518 km (0.096 R)
• M12: 7,933,325 km (0.1 R)
• M13: 8,689,692 km (0.102 R)
• M14: 9,135,792 km (0.107 R)
• M15: 10,345,142 km (0.104 R)
• M16: 11,480,290 km (0.113 R)
• M17: 11,836,632 km (0.05 R)
• M18: 13,013,369 km (0.108 R)
• M19: 18,102,988 km (0.086 R)
• M20: 18,748,503 km (0.107 R)
• M21: 19,492,902 km (0.041 R)
• M22: 20,085,459 km (0.111 R)
• M23: 23,229,258 km (0.081 R)
• M24: 24,475,857 km (0.095 R)
• M25: 25,464,699 km (0.112 R)
• M26: 28,267,415 km (0.077 R)
• M27: 29,245,486 km (0.11 R)
• M28: 30,358,494 km (0.115 R)
• M29: 32,080,665 km (0.064 R)
• M30: 39,085,436 km (0.093 R)
• M31: 41,536,746 km (0.041 R)
• M32: 42,376,140 km (0.081 R)
• M33: 43,944,225 km (0.096 R)
• M34: 45,698,559 km (0.076 R)
• M35: 47,803,700 km (0.11 R)
• M36: 49,815,493 km (0.081 R)
• M37: 52,530,694 km (0.032 R)
• M38: 55,006,838 km (0.116 R)
• M39: 56,018,718 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 15,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit