🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.66 AU - 0.78 AU

Year: 219 Days

Day: 18 Hours

Environment

Temp: 179 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.28 AU - 3.22 AU

Year: 1633 Days

Day: 42.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,358,804 km

• M1: 1,072,018 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.67 AU - 3.79 AU

Year: 2079 Days

Day: 39.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.39 AU - 9.33 AU

Year: 9445 Days

Day: 13.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,358,804 km

• M1: 173,534 km (0.058 R)
• M2: 643,121 km (0.095 R)
• M3: 1,287,738 km (0.047 R)
• M4: 1,973,794 km (0.082 R)
• M5: 2,756,490 km (0.05 R)
• M6: 3,787,070 km (0.107 R)
• M7: 5,060,597 km (0.04 R)
• M8: 7,424,243 km (0.1 R)
• M9: 9,824,391 km (0.104 R)
• M10: 11,776,195 km (0.049 R)
• M11: 12,759,352 km (0.096 R)
• M12: 13,561,197 km (0.066 R)
• M13: 14,703,077 km (0.118 R)
• M14: 17,384,320 km (0.086 R)
• M15: 18,586,339 km (0.084 R)
• M16: 19,467,769 km (0.102 R)
• M17: 20,299,982 km (0.114 R)
• M18: 22,116,699 km (0.115 R)
• M19: 25,710,189 km (0.102 R)
• M20: 31,597,464 km (0.12 R)
• M21: 32,641,358 km (0.045 R)
• M22: 33,924,309 km (0.044 R)
• M23: 34,468,696 km (0.082 R)
• M24: 35,463,222 km (0.075 R)
• M25: 36,249,958 km (0.087 R)
• M26: 39,154,849 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.4

Radius: 6.2

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 12.13 AU - 19.57 AU

Year: 22600 Days

Day: 24.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,358,804 km

• M1: 77,043 km (0.113 R)
• M2: 1,722,320 km (0.074 R)
• M3: 7,528,064 km (0.09 R)
• M4: 7,754,705 km (0.101 R)
• M5: 9,160,626 km (0.086 R)
• M6: 10,615,016 km (0.082 R)
• M7: 11,787,115 km (0.104 R)
• M8: 16,644,708 km (0.051 R)
• M9: 19,638,161 km (0.11 R)
• M10: 26,664,474 km (0.104 R)
• M11: 40,215,797 km (0.106 R)
• M12: 48,134,461 km (0.089 R)
• M13: 48,446,223 km (0.115 R)
• M14: 55,992,987 km (0.082 R)
• M15: 56,857,663 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230

Radius: 3.8

Gravity: 15.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 12.97 AU - 21.43 AU

Year: 25549 Days

Day: 17.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,358,804 km

• M1: 54,603 km (0.049 R)
• M2: 210,783 km (0.086 R)
• M3: 441,164 km (0.099 R)
• M4: 1,442,423 km (0.11 R)
• M5: 1,847,384 km (0.063 R)
• M6: 2,066,844 km (0.117 R)
• M7: 2,283,013 km (0.073 R)
• M8: 2,579,815 km (0.078 R)
• M9: 4,149,695 km (0.111 R)
• M10: 4,656,683 km (0.029 R)
• M11: 6,182,282 km (0.076 R)
• M12: 6,465,470 km (0.041 R)
• M13: 7,101,112 km (0.083 R)
• M14: 7,277,488 km (0.101 R)
• M15: 8,012,312 km (0.087 R)
• M16: 8,251,669 km (0.114 R)
• M17: 8,545,180 km (0.06 R)
• M18: 9,520,857 km (0.099 R)
• M19: 13,961,520 km (0.094 R)
• M20: 15,163,689 km (0.039 R)
• M21: 16,741,797 km (0.116 R)
• M22: 17,450,442 km (0.115 R)
• M23: 21,386,960 km (0.108 R)
• M24: 31,307,693 km (0.049 R)
• M25: 39,619,350 km (0.084 R)
• M26: 45,856,834 km (0.042 R)
• M27: 48,651,322 km (0.039 R)
• M28: 51,392,703 km (0.079 R)
• M29: 54,919,024 km (0.04 R)
• M30: 55,090,912 km (0.039 R)
• M31: 58,067,162 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.5

Radius: 7.2

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 16.93 AU - 21.95 AU

Year: 30699 Days

Day: 24.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 94,358,804 km

• M1: 108,907 km (0.099 R)
• M2: 667,207 km (0.081 R)
• M3: 1,425,518 km (0.117 R)
• M4: 1,765,554 km (0.118 R)
• M5: 2,790,599 km (0.054 R)
• M6: 4,942,414 km (0.115 R)
• M7: 5,303,245 km (0.104 R)
• M8: 7,023,919 km (0.094 R)
• M9: 7,480,492 km (0.116 R)
• M10: 7,742,587 km (0.098 R)
• M11: 8,340,829 km (0.101 R)
• M12: 8,737,264 km (0.105 R)
• M13: 11,385,146 km (0.066 R)
• M14: 12,594,495 km (0.091 R)
• M15: 20,553,700 km (0.069 R)
• M16: 21,697,974 km (0.111 R)
• M17: 23,773,645 km (0.044 R)
• M18: 24,917,620 km (0.091 R)
• M19: 27,812,189 km (0.118 R)
• M20: 28,953,022 km (0.115 R)
• M21: 29,340,182 km (0.104 R)
• M22: 32,981,394 km (0.116 R)
• M23: 35,275,328 km (0.067 R)
• M24: 35,716,940 km (0.081 R)
• M25: 41,963,400 km (0.093 R)
• M26: 44,482,029 km (0.096 R)
• M27: 44,997,544 km (0.104 R)
• M28: 46,040,540 km (0.116 R)
• M29: 49,083,061 km (0.095 R)
• M30: 49,633,432 km (0.102 R)
• M31: 54,186,593 km (0.029 R)
• M32: 56,967,019 km (0.116 R)
• M33: 58,187,289 km (0.111 R)
• M34: 59,010,376 km (0.108 R)
• M35: 61,102,054 km (0.096 R)
• M36: 63,026,331 km (0.099 R)
• M37: 65,211,357 km (0.103 R)
• M38: 68,126,870 km (0.083 R)
• M39: 71,833,008 km (0.041 R)
• M40: 72,780,112 km (0.107 R)
• M41: 76,651,855 km (0.099 R)
• M42: 78,888,941 km (0.065 R)
• M43: 79,391,889 km (0.058 R)
• M44: 82,196,550 km (0.076 R)

Kuiper Belt

Range: 30.6 - 55.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit