🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.9 AU - 2.44 AU

Year: 1168 Days

Day: 30 Hours

Environment

Temp: -66 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,202,683 km

• M1: 419,323 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.42 AU - 4.02 AU

Year: 2621 Days

Day: 14.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 15

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.27 AU - 8.41 AU

Year: 6534 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 95,202,683 km

• M1: 186,549 km (0.091 R)
• M2: 815,009 km (0.1 R)
• M3: 2,055,924 km (0.11 R)
• M4: 2,611,979 km (0.108 R)
• M5: 3,125,548 km (0.114 R)
• M6: 3,686,840 km (0.056 R)
• M7: 4,494,967 km (0.092 R)
• M8: 6,206,666 km (0.041 R)
• M9: 8,045,373 km (0.081 R)
• M10: 8,852,903 km (0.047 R)
• M11: 11,647,092 km (0.052 R)
• M12: 12,497,257 km (0.117 R)
• M13: 14,422,581 km (0.084 R)
• M14: 15,883,404 km (0.064 R)
• M15: 16,428,389 km (0.095 R)
• M16: 17,498,313 km (0.119 R)
• M17: 20,091,144 km (0.064 R)
• M18: 21,380,528 km (0.09 R)
• M19: 22,045,490 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 9.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.08 AU - 9.56 AU

Year: 10392 Days

Day: 11.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,202,683 km

• M1: 123,418 km (0.09 R)
• M2: 792,570 km (0.105 R)
• M3: 1,293,573 km (0.045 R)
• M4: 1,728,603 km (0.081 R)
• M5: 2,077,017 km (0.084 R)
• M6: 2,640,552 km (0.063 R)
• M7: 4,021,789 km (0.092 R)
• M8: 5,290,678 km (0.063 R)
• M9: 6,273,536 km (0.098 R)
• M10: 7,258,339 km (0.07 R)
• M11: 7,569,054 km (0.086 R)
• M12: 7,929,286 km (0.117 R)
• M13: 9,168,704 km (0.037 R)
• M14: 13,836,008 km (0.105 R)
• M15: 17,013,616 km (0.114 R)
• M16: 18,626,730 km (0.08 R)
• M17: 18,990,552 km (0.078 R)
• M18: 22,236,078 km (0.111 R)
• M19: 22,810,833 km (0.09 R)
• M20: 24,594,339 km (0.083 R)
• M21: 25,386,609 km (0.029 R)
• M22: 26,469,099 km (0.105 R)
• M23: 27,488,310 km (0.091 R)
• M24: 28,245,724 km (0.047 R)
• M25: 29,017,050 km (0.095 R)
• M26: 29,407,949 km (0.047 R)
• M27: 30,300,301 km (0.074 R)
• M28: 32,452,565 km (0.069 R)
• M29: 35,034,924 km (0.101 R)
• M30: 37,867,410 km (0.115 R)
• M31: 38,923,421 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 6.1

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 11.36 AU - 15.4 AU

Year: 17876 Days

Day: 15.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,202,683 km

• M1: 75,996 km (0.078 R)
• M2: 350,957 km (0.113 R)
• M3: 564,732 km (0.065 R)
• M4: 1,387,969 km (0.092 R)
• M5: 2,236,189 km (0.098 R)
• M6: 2,621,703 km (0.059 R)
• M7: 2,902,498 km (0.109 R)
• M8: 3,469,773 km (0.068 R)
• M9: 4,077,589 km (0.108 R)
• M10: 4,326,969 km (0.068 R)
• M11: 4,960,366 km (0.042 R)
• M12: 5,615,605 km (0.079 R)
• M13: 6,535,033 km (0.069 R)
• M14: 9,507,244 km (0.114 R)
• M15: 9,835,611 km (0.086 R)
• M16: 11,966,782 km (0.1 R)
• M17: 13,754,327 km (0.069 R)
• M18: 15,262,274 km (0.109 R)
• M19: 18,772,738 km (0.065 R)
• M20: 21,173,783 km (0.112 R)
• M21: 22,112,809 km (0.045 R)
• M22: 23,079,212 km (0.097 R)
• M23: 25,934,436 km (0.102 R)
• M24: 27,117,756 km (0.031 R)
• M25: 28,902,757 km (0.05 R)
• M26: 31,122,191 km (0.071 R)
• M27: 36,827,106 km (0.106 R)
• M28: 46,396,732 km (0.083 R)
• M29: 55,890,064 km (0.118 R)
• M30: 56,422,782 km (0.093 R)
• M31: 57,859,819 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.6

Radius: 3.1

Gravity: 28.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 13.93 AU - 15.09 AU

Year: 20188 Days

Day: 22.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 95,202,683 km

• M1: 38,596 km (0.038 R)
• M2: 240,853 km (0.075 R)
• M3: 368,011 km (0.096 R)
• M4: 554,260 km (0.092 R)
• M5: 819,348 km (0.05 R)
• M6: 1,054,366 km (0.085 R)
• M7: 1,459,327 km (0.045 R)
• M8: 1,641,089 km (0.076 R)
• M9: 1,754,035 km (0.102 R)
• M10: 3,312,396 km (0.066 R)
• M11: 3,546,218 km (0.1 R)
• M12: 4,436,175 km (0.038 R)
• M13: 5,185,661 km (0.105 R)
• M14: 5,536,468 km (0.104 R)
• M15: 5,754,432 km (0.046 R)
• M16: 6,324,400 km (0.101 R)
• M17: 7,619,768 km (0.091 R)
• M18: 8,118,976 km (0.058 R)
• M19: 9,334,010 km (0.103 R)
• M20: 9,747,049 km (0.111 R)
• M21: 11,996,702 km (0.091 R)
• M22: 13,241,506 km (0.031 R)
• M23: 14,095,111 km (0.047 R)
• M24: 17,256,114 km (0.102 R)
• M25: 18,674,901 km (0.086 R)
• M26: 22,283,949 km (0.113 R)
• M27: 22,466,459 km (0.088 R)
• M28: 22,650,015 km (0.118 R)
• M29: 24,154,970 km (0.103 R)
• M30: 36,595,978 km (0.113 R)
• M31: 37,878,630 km (0.095 R)
• M32: 42,603,529 km (0.055 R)
• M33: 51,590,172 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.3

Radius: 5.4

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.04 AU - 15.74 AU

Year: 20986 Days

Day: 22.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 95,202,683 km

• M1: 68,217 km (0.072 R)
• M2: 679,922 km (0.09 R)
• M3: 1,027,438 km (0.113 R)
• M4: 1,260,661 km (0.101 R)
• M5: 1,631,664 km (0.103 R)
• M6: 1,917,396 km (0.072 R)
• M7: 2,388,480 km (0.1 R)
• M8: 3,163,995 km (0.057 R)
• M9: 4,502,746 km (0.086 R)
• M10: 4,747,339 km (0.115 R)
• M11: 5,432,048 km (0.094 R)
• M12: 5,815,916 km (0.1 R)
• M13: 6,444,676 km (0.041 R)
• M14: 6,914,862 km (0.026 R)
• M15: 7,199,547 km (0.095 R)
• M16: 8,463,350 km (0.112 R)
• M17: 8,931,292 km (0.108 R)
• M18: 11,365,249 km (0.1 R)
• M19: 14,143,132 km (0.06 R)
• M20: 14,470,004 km (0.099 R)
• M21: 17,792,872 km (0.079 R)
• M22: 18,097,154 km (0.094 R)
• M23: 24,747,228 km (0.078 R)
• M24: 29,769,827 km (0.116 R)
• M25: 31,178,889 km (0.098 R)
• M26: 33,317,391 km (0.11 R)
• M27: 36,889,788 km (0.037 R)
• M28: 39,023,203 km (0.111 R)
• M29: 39,795,427 km (0.079 R)
• M30: 48,973,855 km (0.077 R)
• M31: 50,325,322 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.3

Radius: 5.4

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 17.28 AU - 21.56 AU

Year: 31258 Days

Day: 18.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 95,202,683 km

• M1: 67,169 km (0.107 R)
• M2: 486,791 km (0.072 R)
• M3: 740,509 km (0.087 R)
• M4: 1,398,890 km (0.063 R)
• M5: 2,111,125 km (0.079 R)
• M6: 2,713,705 km (0.078 R)
• M7: 4,251,871 km (0.103 R)
• M8: 4,580,238 km (0.12 R)
• M9: 4,808,375 km (0.096 R)
• M10: 8,507,182 km (0.047 R)
• M11: 8,852,454 km (0.095 R)
• M12: 9,327,278 km (0.089 R)
• M13: 11,675,964 km (0.117 R)
• M14: 12,612,896 km (0.085 R)
• M15: 15,214,702 km (0.11 R)
• M16: 16,243,187 km (0.076 R)
• M17: 17,044,433 km (0.103 R)
• M18: 18,629,273 km (0.079 R)
• M19: 20,208,129 km (0.073 R)
• M20: 23,293,585 km (0.086 R)
• M21: 25,595,448 km (0.109 R)
• M22: 26,193,690 km (0.043 R)
• M23: 29,066,417 km (0.094 R)
• M24: 29,586,569 km (0.102 R)
• M25: 34,117,141 km (0.097 R)
• M26: 34,695,935 km (0.088 R)
• M27: 38,151,347 km (0.116 R)
• M28: 44,522,869 km (0.082 R)
• M29: 45,562,126 km (0.061 R)
• M30: 56,454,347 km (0.097 R)
• M31: 60,157,493 km (0.085 R)
• M32: 61,214,102 km (0.04 R)
• M33: 64,019,362 km (0.064 R)
• M34: 67,361,079 km (0.109 R)
• M35: 73,666,031 km (0.106 R)
• M36: 76,343,533 km (0.034 R)
• M37: 77,332,974 km (0.116 R)
• M38: 80,352,906 km (0.115 R)
• M39: 89,060,848 km (0.082 R)
• M40: 89,334,164 km (0.095 R)
• M41: 89,882,290 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 17,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit