🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.63 AU - 1.91 AU

Year: 892 Days

Day: 41 Hours

Environment

Temp: -76 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.08 AU - 3.02 AU

Year: 1542 Days

Day: 43 Hours

Environment

Temp: -92 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 11.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.3 AU - 7.3 AU

Year: 7470 Days

Day: 10.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,541,625 km

• M1: 144,661 km (0.111 R)
• M2: 638,484 km (0.031 R)
• M3: 1,495,231 km (0.07 R)
• M4: 2,109,779 km (0.099 R)
• M5: 2,690,817 km (0.094 R)
• M6: 3,444,192 km (0.119 R)
• M7: 4,889,906 km (0.094 R)
• M8: 5,369,068 km (0.107 R)
• M9: 6,422,087 km (0.105 R)
• M10: 6,814,333 km (0.087 R)
• M11: 7,686,638 km (0.115 R)
• M12: 9,288,981 km (0.092 R)
• M13: 10,506,707 km (0.119 R)
• M14: 14,252,040 km (0.117 R)
• M15: 15,548,754 km (0.089 R)
• M16: 16,258,596 km (0.061 R)
• M17: 17,193,283 km (0.067 R)
• M18: 19,537,632 km (0.111 R)
• M19: 20,061,074 km (0.113 R)
• M20: 20,747,729 km (0.109 R)
• M21: 22,574,019 km (0.076 R)
• M22: 24,765,030 km (0.073 R)
• M23: 28,216,851 km (0.116 R)
• M24: 29,663,612 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 9.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.59 AU - 10.13 AU

Year: 9988 Days

Day: 13.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,541,625 km

• M1: 120,277 km (0.114 R)
• M2: 570,417 km (0.084 R)
• M3: 1,513,631 km (0.112 R)
• M4: 2,071,781 km (0.12 R)
• M5: 2,710,265 km (0.075 R)
• M6: 4,617,937 km (0.111 R)
• M7: 6,858,614 km (0.114 R)
• M8: 8,528,575 km (0.1 R)
• M9: 12,123,262 km (0.098 R)
• M10: 14,598,508 km (0.082 R)
• M11: 18,819,412 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.7

Radius: 14.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.06 AU - 9.26 AU

Year: 10500 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,541,625 km

• M1: 179,517 km (0.117 R)
• M2: 806,333 km (0.073 R)
• M3: 1,830,928 km (0.114 R)
• M4: 3,895,529 km (0.082 R)
• M5: 5,781,659 km (0.09 R)
• M6: 9,391,904 km (0.041 R)
• M7: 16,321,128 km (0.092 R)
• M8: 22,637,000 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.8

Radius: 6.5

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 13.34 AU - 13.94 AU

Year: 19080 Days

Day: 18.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,541,625 km

• M1: 170,242 km (0.058 R)
• M2: 8,100,575 km (0.107 R)
• M3: 10,649,274 km (0.113 R)
• M4: 12,760,250 km (0.094 R)
• M5: 17,552,318 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.4

Radius: 3.1

Gravity: 79.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 13.48 AU - 15.02 AU

Year: 20374 Days

Day: 24.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,541,625 km

• M1: 38,596 km (0.07 R)
• M2: 1,593,068 km (0.098 R)
• M3: 1,735,934 km (0.049 R)
• M4: 2,464,176 km (0.045 R)
• M5: 2,908,631 km (0.093 R)
• M6: 3,205,284 km (0.113 R)
• M7: 3,611,592 km (0.099 R)
• M8: 3,986,334 km (0.107 R)
• M9: 4,351,952 km (0.104 R)
• M10: 4,998,065 km (0.097 R)
• M11: 6,981,733 km (0.1 R)
• M12: 8,068,412 km (0.045 R)
• M13: 10,385,234 km (0.052 R)
• M14: 10,820,564 km (0.109 R)
• M15: 11,928,336 km (0.082 R)
• M16: 12,895,636 km (0.106 R)
• M17: 13,914,098 km (0.101 R)
• M18: 14,673,606 km (0.1 R)
• M19: 17,462,111 km (0.071 R)
• M20: 21,668,803 km (0.104 R)
• M21: 23,103,446 km (0.09 R)
• M22: 24,819,334 km (0.099 R)
• M23: 27,080,955 km (0.044 R)
• M24: 28,864,760 km (0.094 R)
• M25: 29,476,316 km (0.095 R)
• M26: 29,723,451 km (0.098 R)
• M27: 30,096,548 km (0.053 R)
• M28: 30,221,612 km (0.067 R)
• M29: 32,009,157 km (0.082 R)
• M30: 34,958,479 km (0.079 R)
• M31: 37,357,879 km (0.092 R)
• M32: 37,647,052 km (0.094 R)
• M33: 42,167,601 km (0.099 R)
• M34: 42,954,635 km (0.063 R)
• M35: 43,113,209 km (0.117 R)
• M36: 46,366,813 km (0.111 R)
• M37: 48,395,510 km (0.11 R)
• M38: 51,013,622 km (0.119 R)
• M39: 53,174,713 km (0.091 R)
• M40: 75,897,732 km (0.115 R)
• M41: 79,902,018 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.8

Radius: 3

Gravity: 94.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 14.52 AU - 16.14 AU

Year: 22733 Days

Day: 19.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,541,625 km

• M1: 39,195 km (0.09 R)
• M2: 159,172 km (0.082 R)
• M3: 935,435 km (0.113 R)
• M4: 1,052,421 km (0.049 R)
• M5: 1,830,629 km (0.102 R)
• M6: 2,325,050 km (0.12 R)
• M7: 2,540,920 km (0.065 R)
• M8: 3,040,278 km (0.117 R)
• M9: 3,696,713 km (0.06 R)
• M10: 4,335,197 km (0.118 R)
• M11: 4,927,155 km (0.108 R)
• M12: 5,122,680 km (0.103 R)
• M13: 5,405,270 km (0.111 R)
• M14: 7,732,415 km (0.085 R)
• M15: 9,527,589 km (0.113 R)
• M16: 11,378,264 km (0.117 R)
• M17: 18,619,998 km (0.064 R)
• M18: 21,173,035 km (0.116 R)
• M19: 21,275,660 km (0.074 R)
• M20: 24,061,172 km (0.051 R)
• M21: 24,172,922 km (0.077 R)
• M22: 26,125,772 km (0.117 R)
• M23: 26,719,676 km (0.116 R)
• M24: 28,057,529 km (0.111 R)
• M25: 28,430,028 km (0.029 R)
• M26: 30,342,039 km (0.072 R)
• M27: 31,932,114 km (0.099 R)
• M28: 32,338,123 km (0.034 R)
• M29: 34,137,337 km (0.027 R)
• M30: 37,782,737 km (0.099 R)
• M31: 46,524,489 km (0.102 R)
• M32: 48,456,246 km (0.102 R)
• M33: 49,171,773 km (0.103 R)
• M34: 71,948,198 km (0.088 R)
• M35: 72,878,996 km (0.104 R)
• M36: 74,053,788 km (0.112 R)
• M37: 76,200,219 km (0.056 R)
• M38: 79,373,339 km (0.104 R)
• M39: 83,398,120 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.7

Radius: 7.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.91 AU - 19.43 AU

Year: 23494 Days

Day: 24.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,541,625 km

• M1: 93,798 km (0.091 R)
• M2: 408,103 km (0.035 R)
• M3: 684,709 km (0.116 R)
• M4: 1,008,888 km (0.047 R)
• M5: 1,284,298 km (0.093 R)
• M6: 1,671,906 km (0.101 R)
• M7: 2,906,238 km (0.079 R)
• M8: 3,766,426 km (0.092 R)
• M9: 5,084,383 km (0.067 R)
• M10: 5,430,253 km (0.087 R)
• M11: 7,444,738 km (0.11 R)
• M12: 7,936,915 km (0.086 R)
• M13: 10,287,546 km (0.051 R)
• M14: 10,729,309 km (0.115 R)
• M15: 11,591,591 km (0.076 R)
• M16: 14,455,193 km (0.111 R)
• M17: 19,880,211 km (0.076 R)
• M18: 20,826,567 km (0.083 R)
• M19: 28,848,154 km (0.089 R)
• M20: 29,284,980 km (0.115 R)
• M21: 33,058,736 km (0.09 R)
• M22: 33,778,152 km (0.061 R)
• M23: 35,497,032 km (0.088 R)
• M24: 36,377,864 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 19,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit