🌌 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: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 229 Days

Day: 32.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 41,365,529 km

• M1: 105,466 km (0.091 R)
• M2: 327,320 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.6 AU - 0.92 AU

Year: 248 Days

Day: 17.6 Hours

Environment

Temp: 144 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.76 AU - 0.86 AU

Year: 273 Days

Day: 30 Hours

Environment

Temp: 108 °C

Axial Tilt: 84.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.29 AU - 1.63 AU

Year: 661 Days

Day: 41.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,365,529 km

• M1: 24,235 km (0.116 R)
• M2: 83,775 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.48 AU - 2.18 AU

Year: 928 Days

Day: 25.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.02 AU - 2.86 AU

Year: 1428 Days

Day: 34.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,365,529 km

• M1: 1,134,101 km (0.117 R)
• M2: 1,656,048 km (0.084 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.62 AU - 4.14 AU

Year: 2864 Days

Day: 38 Hours

Environment

Temp: -125 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,365,529 km

• M1: 462,257 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.4

Radius: 12.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.14 AU - 8.72 AU

Year: 9172 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 41,365,529 km

• M1: 199,264 km (0.107 R)
• M2: 436,975 km (0.115 R)
• M3: 576,101 km (0.086 R)
• M4: 683,812 km (0.062 R)
• M5: 1,014,274 km (0.073 R)
• M6: 1,129,165 km (0.097 R)
• M7: 1,208,302 km (0.117 R)
• M8: 1,611,618 km (0.097 R)
• M9: 1,770,790 km (0.117 R)
• M10: 1,887,776 km (0.077 R)
• M11: 2,154,658 km (0.053 R)
• M12: 2,408,077 km (0.056 R)
• M13: 2,806,456 km (0.075 R)
• M14: 3,027,562 km (0.082 R)
• M15: 3,605,608 km (0.082 R)
• M16: 3,999,948 km (0.111 R)
• M17: 4,092,848 km (0.074 R)
• M18: 4,344,322 km (0.116 R)
• M19: 4,536,406 km (0.084 R)
• M20: 4,862,679 km (0.11 R)
• M21: 6,028,944 km (0.08 R)
• M22: 6,790,995 km (0.054 R)
• M23: 7,278,086 km (0.028 R)
• M24: 7,621,862 km (0.12 R)
• M25: 7,815,292 km (0.096 R)
• M26: 8,049,413 km (0.106 R)
• M27: 8,968,692 km (0.048 R)
• M28: 10,602,300 km (0.106 R)
• M29: 12,190,431 km (0.116 R)
• M30: 12,416,922 km (0.104 R)
• M31: 13,336,501 km (0.076 R)
• M32: 13,663,671 km (0.085 R)
• M33: 13,804,592 km (0.093 R)
• M34: 13,946,112 km (0.111 R)
• M35: 14,088,080 km (0.106 R)
• M36: 14,612,720 km (0.059 R)
• M37: 14,708,762 km (0.039 R)
• M38: 15,192,412 km (0.104 R)
• M39: 15,387,338 km (0.112 R)
• M40: 15,730,515 km (0.097 R)
• M41: 15,828,951 km (0.07 R)
• M42: 16,324,568 km (0.093 R)
• M43: 18,357,454 km (0.106 R)
• M44: 18,565,096 km (0.096 R)
• M45: 18,982,773 km (0.119 R)
• M46: 19,245,467 km (0.101 R)
• M47: 19,827,403 km (0.088 R)
• M48: 20,093,986 km (0.114 R)
• M49: 21,063,081 km (0.105 R)
• M50: 21,772,624 km (0.067 R)
• M51: 22,378,944 km (0.088 R)
• M52: 23,046,898 km (0.079 R)
• M53: 23,158,798 km (0.113 R)
• M54: 23,890,930 km (0.084 R)
• M55: 25,320,188 km (0.103 R)
• M56: 27,130,771 km (0.086 R)
• M57: 27,545,456 km (0.119 R)
• M58: 27,842,856 km (0.065 R)
• M59: 27,962,086 km (0.098 R)
• M60: 30,015,616 km (0.108 R)
• M61: 30,137,987 km (0.083 R)
• M62: 32,556,087 km (0.112 R)
• M63: 34,842,840 km (0.081 R)
• M64: 35,164,625 km (0.111 R)
• M65: 35,746,112 km (0.114 R)
• M66: 36,853,286 km (0.094 R)
• M67: 37,509,871 km (0.103 R)
• M68: 37,773,612 km (0.074 R)
• M69: 39,838,212 km (0.103 R)
• M70: 40,782,474 km (0.109 R)
• M71: 40,985,777 km (0.084 R)
• M72: 41,597,782 km (0.097 R)
• M73: 42,212,779 km (0.093 R)
• M74: 43,313,670 km (0.112 R)
• M75: 43,867,631 km (0.111 R)
• M76: 44,145,434 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 13.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 11.14 AU - 11.88 AU

Year: 14633 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 41,365,529 km

• M1: 194,477 km (0.065 R)
• M2: 590,164 km (0.106 R)
• M3: 730,935 km (0.05 R)
• M4: 949,797 km (0.081 R)
• M5: 1,473,090 km (0.12 R)
• M6: 1,592,021 km (0.105 R)
• M7: 1,904,231 km (0.097 R)
• M8: 2,145,981 km (0.08 R)
• M9: 4,220,006 km (0.071 R)
• M10: 4,392,343 km (0.119 R)
• M11: 4,508,581 km (0.109 R)
• M12: 4,863,277 km (0.064 R)
• M13: 5,726,606 km (0.084 R)
• M14: 5,917,793 km (0.069 R)
• M15: 6,143,685 km (0.099 R)
• M16: 6,241,223 km (0.041 R)
• M17: 6,372,271 km (0.086 R)
• M18: 6,471,155 km (0.101 R)
• M19: 6,637,059 km (0.082 R)
• M20: 6,804,459 km (0.065 R)
• M21: 7,838,180 km (0.095 R)
• M22: 8,590,957 km (0.099 R)
• M23: 9,592,664 km (0.089 R)
• M24: 10,049,686 km (0.116 R)
• M25: 10,203,622 km (0.098 R)
• M26: 10,474,993 km (0.105 R)
• M27: 11,104,201 km (0.102 R)
• M28: 11,223,580 km (0.093 R)
• M29: 11,786,218 km (0.092 R)
• M30: 12,030,062 km (0.1 R)
• M31: 12,193,722 km (0.096 R)
• M32: 12,813,806 km (0.09 R)
• M33: 13,064,681 km (0.081 R)
• M34: 13,613,855 km (0.077 R)
• M35: 13,741,761 km (0.099 R)
• M36: 14,257,126 km (0.11 R)
• M37: 15,617,569 km (0.074 R)
• M38: 16,836,193 km (0.09 R)
• M39: 16,927,747 km (0.081 R)
• M40: 17,295,309 km (0.074 R)
• M41: 17,526,438 km (0.086 R)
• M42: 17,619,188 km (0.086 R)
• M43: 19,029,747 km (0.115 R)
• M44: 19,268,355 km (0.076 R)
• M45: 19,507,862 km (0.058 R)
• M46: 20,087,104 km (0.094 R)
• M47: 20,378,820 km (0.084 R)
• M48: 20,720,801 km (0.105 R)
• M49: 20,818,937 km (0.117 R)
• M50: 21,361,230 km (0.063 R)
• M51: 21,509,930 km (0.102 R)
• M52: 22,158,287 km (0.108 R)
• M53: 22,560,556 km (0.082 R)
• M54: 23,168,372 km (0.096 R)
• M55: 23,270,248 km (0.102 R)
• M56: 24,090,344 km (0.078 R)
• M57: 24,296,789 km (0.097 R)
• M58: 24,763,534 km (0.094 R)
• M59: 25,128,702 km (0.104 R)
• M60: 25,600,833 km (0.108 R)
• M61: 26,287,787 km (0.098 R)
• M62: 27,141,691 km (0.114 R)
• M63: 27,464,374 km (0.069 R)
• M64: 27,788,253 km (0.083 R)
• M65: 27,950,567 km (0.12 R)
• M66: 28,276,391 km (0.104 R)
• M67: 28,385,149 km (0.065 R)
• M68: 29,481,552 km (0.072 R)
• M69: 29,924,062 km (0.093 R)
• M70: 30,034,914 km (0.09 R)
• M71: 30,647,667 km (0.033 R)
• M72: 30,871,465 km (0.111 R)
• M73: 31,546,152 km (0.106 R)
• M74: 32,055,383 km (0.102 R)
• M75: 32,396,466 km (0.097 R)
• M76: 32,738,746 km (0.084 R)
• M77: 33,139,519 km (0.108 R)
• M78: 33,254,260 km (0.093 R)
• M79: 35,402,037 km (0.081 R)
• M80: 36,167,230 km (0.064 R)
• M81: 36,285,562 km (0.056 R)
• M82: 36,581,616 km (0.12 R)
• M83: 36,937,958 km (0.07 R)
• M84: 37,295,497 km (0.026 R)
• M85: 38,676,734 km (0.084 R)
• M86: 39,464,816 km (0.084 R)
• M87: 39,647,475 km (0.097 R)
• M88: 40,503,474 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 16,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit