🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.88 AU - 1.38 AU

Year: 426 Days

Day: 45.6 Hours

Environment

Temp: 24 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.21 AU - 1.75 AU

Year: 639 Days

Day: 37.4 Hours

Environment

Temp: -18 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.89 AU - 2.01 AU

Year: 966 Days

Day: 23.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 10.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.17 AU - 9.59 AU

Year: 8606 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 35,799,539 km

• M1: 144,512 km (0.06 R)
• M2: 351,106 km (0.116 R)
• M3: 495,019 km (0.049 R)
• M4: 596,447 km (0.095 R)
• M5: 985,401 km (0.095 R)
• M6: 1,228,498 km (0.097 R)
• M7: 1,328,279 km (0.081 R)
• M8: 1,416,243 km (0.042 R)
• M9: 1,629,121 km (0.092 R)
• M10: 1,820,157 km (0.061 R)
• M11: 1,901,987 km (0.039 R)
• M12: 1,968,409 km (0.038 R)
• M13: 2,103,496 km (0.12 R)
• M14: 2,189,664 km (0.076 R)
• M15: 2,347,639 km (0.113 R)
• M16: 2,920,898 km (0.115 R)
• M17: 3,036,837 km (0.05 R)
• M18: 3,174,168 km (0.098 R)
• M19: 3,515,999 km (0.051 R)
• M20: 3,660,361 km (0.088 R)
• M21: 3,954,919 km (0.075 R)
• M22: 4,235,265 km (0.1 R)
• M23: 4,322,930 km (0.082 R)
• M24: 4,522,344 km (0.075 R)
• M25: 4,953,185 km (0.106 R)
• M26: 5,045,637 km (0.107 R)
• M27: 5,492,635 km (0.066 R)
• M28: 5,878,897 km (0.114 R)
• M29: 6,374,066 km (0.09 R)
• M30: 6,500,027 km (0.088 R)
• M31: 6,831,387 km (0.067 R)
• M32: 8,129,447 km (0.083 R)
• M33: 8,680,865 km (0.072 R)
• M34: 8,961,212 km (0.057 R)
• M35: 9,272,974 km (0.068 R)
• M36: 9,703,815 km (0.106 R)
• M37: 10,585,246 km (0.073 R)
• M38: 11,156,710 km (0.075 R)
• M39: 11,584,261 km (0.074 R)
• M40: 12,173,078 km (0.088 R)
• M41: 13,186,753 km (0.113 R)
• M42: 13,606,375 km (0.086 R)
• M43: 14,030,335 km (0.068 R)
• M44: 14,591,328 km (0.116 R)
• M45: 14,857,761 km (0.11 R)
• M46: 15,125,990 km (0.072 R)
• M47: 15,260,628 km (0.065 R)
• M48: 15,361,906 km (0.084 R)
• M49: 17,328,221 km (0.1 R)
• M50: 17,610,512 km (0.119 R)
• M51: 17,929,903 km (0.074 R)
• M52: 18,502,564 km (0.058 R)
• M53: 18,827,191 km (0.103 R)
• M54: 20,144,849 km (0.118 R)
• M55: 20,964,646 km (0.117 R)
• M56: 22,062,096 km (0.097 R)
• M57: 22,598,404 km (0.09 R)
• M58: 22,752,490 km (0.108 R)
• M59: 22,829,682 km (0.066 R)
• M60: 22,906,875 km (0.114 R)
• M61: 23,061,709 km (0.064 R)
• M62: 23,567,050 km (0.105 R)
• M63: 23,919,054 km (0.098 R)
• M64: 24,312,197 km (0.107 R)
• M65: 24,509,666 km (0.073 R)
• M66: 24,707,584 km (0.038 R)
• M67: 25,105,066 km (0.083 R)
• M68: 25,304,480 km (0.105 R)
• M69: 25,624,769 km (0.105 R)
• M70: 25,745,345 km (0.1 R)
• M71: 26,027,187 km (0.059 R)
• M72: 26,107,820 km (0.063 R)
• M73: 26,391,009 km (0.106 R)
• M74: 27,082,899 km (0.095 R)
• M75: 27,287,549 km (0.098 R)
• M76: 27,410,519 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 9.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.03 AU - 14.47 AU

Year: 16151 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 35,799,539 km

• M1: 124,316 km (0.06 R)
• M2: 209,287 km (0.083 R)
• M3: 281,394 km (0.077 R)
• M4: 387,458 km (0.071 R)
• M5: 870,660 km (0.066 R)
• M6: 1,070,373 km (0.114 R)
• M7: 1,200,972 km (0.116 R)
• M8: 1,268,291 km (0.104 R)
• M9: 1,478,326 km (0.088 R)
• M10: 1,624,782 km (0.054 R)
• M11: 1,795,324 km (0.075 R)
• M12: 1,932,206 km (0.047 R)
• M13: 2,300,217 km (0.1 R)
• M14: 2,406,431 km (0.089 R)
• M15: 2,757,388 km (0.09 R)
• M16: 3,124,651 km (0.116 R)
• M17: 3,434,468 km (0.087 R)
• M18: 4,213,424 km (0.076 R)
• M19: 4,690,192 km (0.116 R)
• M20: 4,962,461 km (0.1 R)
• M21: 5,985,411 km (0.108 R)
• M22: 6,978,741 km (0.083 R)
• M23: 7,289,904 km (0.049 R)
• M24: 7,542,126 km (0.119 R)
• M25: 7,829,205 km (0.108 R)
• M26: 9,352,410 km (0.096 R)
• M27: 9,454,885 km (0.11 R)
• M28: 10,394,060 km (0.049 R)
• M29: 10,464,820 km (0.052 R)
• M30: 10,571,334 km (0.118 R)
• M31: 10,713,751 km (0.046 R)
• M32: 11,181,244 km (0.056 R)
• M33: 12,210,627 km (0.109 R)
• M34: 13,040,596 km (0.104 R)
• M35: 13,462,462 km (0.081 R)
• M36: 13,927,711 km (0.054 R)
• M37: 14,358,852 km (0.088 R)
• M38: 14,754,688 km (0.114 R)
• M39: 15,719,146 km (0.109 R)
• M40: 15,963,439 km (0.066 R)
• M41: 16,538,493 km (0.078 R)
• M42: 16,870,152 km (0.026 R)
• M43: 16,953,328 km (0.117 R)
• M44: 17,120,280 km (0.099 R)
• M45: 18,432,253 km (0.083 R)
• M46: 18,560,907 km (0.075 R)
• M47: 19,252,348 km (0.101 R)
• M48: 19,513,845 km (0.094 R)
• M49: 20,216,656 km (0.117 R)
• M50: 20,571,353 km (0.026 R)
• M51: 20,749,374 km (0.034 R)
• M52: 20,883,264 km (0.101 R)
• M53: 21,692,589 km (0.118 R)
• M54: 22,010,185 km (0.094 R)
• M55: 22,833,721 km (0.064 R)
• M56: 24,369,643 km (0.116 R)
• M57: 24,747,078 km (0.063 R)
• M58: 25,269,175 km (0.108 R)
• M59: 25,555,355 km (0.095 R)
• M60: 26,565,889 km (0.112 R)
• M61: 27,933,513 km (0.117 R)
• M62: 28,377,968 km (0.117 R)
• M63: 29,073,897 km (0.115 R)
• M64: 29,474,072 km (0.108 R)
• M65: 29,624,717 km (0.079 R)
• M66: 31,093,319 km (0.118 R)
• M67: 31,195,494 km (0.115 R)
• M68: 31,348,832 km (0.07 R)
• M69: 31,656,555 km (0.09 R)
• M70: 32,637,319 km (0.118 R)
• M71: 33,471,028 km (0.112 R)
• M72: 33,837,991 km (0.064 R)
• M73: 33,943,009 km (0.108 R)
• M74: 34,048,176 km (0.112 R)
• M75: 34,787,638 km (0.101 R)
• M76: 34,999,768 km (0.063 R)
• M77: 35,159,240 km (0.071 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 14,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit