🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.48 AU - 0.56 AU

Year: 136 Days

Day: 27.9 Hours

Environment

Temp: 199 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.76 AU - 1.06 AU

Year: 315 Days

Day: 24.2 Hours

Environment

Temp: 81 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.83 AU - 1.19 AU

Year: 369 Days

Day: 22.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 34.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.07 AU - 1.31 AU

Year: 472 Days

Day: 27.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 29.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.54 AU - 1.74 AU

Year: 763 Days

Day: 42.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,879,979 km

• M1: 127,308 km (0.093 R)
• M2: 538,104 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.41 AU - 2.71 AU

Year: 1489 Days

Day: 12.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.76 AU - 3.36 AU

Year: 1945 Days

Day: 22.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,879,979 km

• M1: 1,922,482 km (0.088 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.27 AU - 3.27 AU

Year: 2149 Days

Day: 20.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.3

Radius: 8.3

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.96 AU - 8.92 AU

Year: 7375 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 76,879,979 km

• M1: 136,284 km (0.087 R)
• M2: 790,924 km (0.08 R)
• M3: 915,838 km (0.098 R)
• M4: 980,764 km (0.085 R)
• M5: 1,098,348 km (0.088 R)
• M6: 1,203,066 km (0.095 R)
• M7: 1,274,873 km (0.062 R)
• M8: 1,576,313 km (0.115 R)
• M9: 1,984,266 km (0.095 R)
• M10: 2,562,013 km (0.094 R)
• M11: 2,726,122 km (0.089 R)
• M12: 3,214,260 km (0.105 R)
• M13: 3,782,133 km (0.07 R)
• M14: 4,577,844 km (0.093 R)
• M15: 5,067,777 km (0.104 R)
• M16: 5,544,247 km (0.095 R)
• M17: 5,635,053 km (0.067 R)
• M18: 5,941,878 km (0.118 R)
• M19: 6,003,811 km (0.084 R)
• M20: 6,796,979 km (0.054 R)
• M21: 7,288,707 km (0.081 R)
• M22: 7,488,570 km (0.105 R)
• M23: 7,656,569 km (0.085 R)
• M24: 7,996,305 km (0.113 R)
• M25: 8,340,829 km (0.066 R)
• M26: 8,973,479 km (0.061 R)
• M27: 9,151,949 km (0.076 R)
• M28: 9,585,035 km (0.057 R)
• M29: 10,734,844 km (0.089 R)
• M30: 10,886,387 km (0.093 R)
• M31: 11,114,972 km (0.107 R)
• M32: 11,576,930 km (0.115 R)
• M33: 13,202,311 km (0.115 R)
• M34: 13,814,765 km (0.068 R)
• M35: 14,436,344 km (0.038 R)
• M36: 14,519,820 km (0.031 R)
• M37: 14,855,817 km (0.102 R)
• M38: 15,024,713 km (0.106 R)
• M39: 16,268,469 km (0.087 R)
• M40: 16,704,846 km (0.118 R)
• M41: 16,924,606 km (0.068 R)
• M42: 17,322,386 km (0.114 R)
• M43: 17,411,247 km (0.088 R)
• M44: 17,589,418 km (0.11 R)
• M45: 17,768,188 km (0.11 R)
• M46: 17,992,435 km (0.086 R)
• M47: 18,307,937 km (0.084 R)
• M48: 18,579,906 km (0.115 R)
• M49: 18,807,594 km (0.054 R)
• M50: 18,898,849 km (0.084 R)
• M51: 19,357,665 km (0.05 R)
• M52: 19,496,043 km (0.072 R)
• M53: 19,912,973 km (0.111 R)
• M54: 20,333,043 km (0.109 R)
• M55: 20,473,665 km (0.072 R)
• M56: 20,755,957 km (0.033 R)
• M57: 20,850,353 km (0.077 R)
• M58: 21,515,016 km (0.096 R)
• M59: 22,234,732 km (0.032 R)
• M60: 22,331,372 km (0.033 R)
• M61: 22,573,421 km (0.064 R)
• M62: 23,846,050 km (0.052 R)
• M63: 24,043,819 km (0.047 R)
• M64: 24,292,001 km (0.12 R)
• M65: 24,740,645 km (0.05 R)
• M66: 25,091,602 km (0.115 R)
• M67: 26,409,260 km (0.083 R)
• M68: 27,076,467 km (0.057 R)
• M69: 27,541,716 km (0.103 R)
• M70: 28,322,916 km (0.054 R)
• M71: 28,375,275 km (0.11 R)
• M72: 28,847,705 km (0.09 R)
• M73: 29,111,446 km (0.119 R)
• M74: 29,587,916 km (0.09 R)
• M75: 30,013,671 km (0.117 R)
• M76: 30,495,077 km (0.061 R)
• M77: 31,411,364 km (0.098 R)
• M78: 31,737,039 km (0.03 R)
• M79: 32,500,885 km (0.111 R)
• M80: 32,940,254 km (0.078 R)
• M81: 33,271,015 km (0.12 R)
• M82: 33,381,568 km (0.103 R)
• M83: 33,824,677 km (0.102 R)
• M84: 34,997,375 km (0.116 R)
• M85: 35,786,653 km (0.096 R)
• M86: 36,581,616 km (0.116 R)
• M87: 36,695,759 km (0.049 R)
• M88: 36,809,902 km (0.096 R)
• M89: 37,038,638 km (0.117 R)
• M90: 37,727,536 km (0.086 R)
• M91: 38,536,561 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.4

Radius: 6.4

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 11.76 AU - 15.12 AU

Year: 17907 Days

Day: 19.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 76.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 76,879,979 km

• M1: 81,980 km (0.075 R)
• M2: 313,258 km (0.109 R)
• M3: 604,226 km (0.095 R)
• M4: 938,278 km (0.105 R)
• M5: 1,070,223 km (0.079 R)
• M6: 1,236,726 km (0.098 R)
• M7: 1,352,365 km (0.076 R)
• M8: 2,050,388 km (0.035 R)
• M9: 2,293,036 km (0.089 R)
• M10: 2,767,710 km (0.036 R)
• M11: 3,232,361 km (0.092 R)
• M12: 3,433,122 km (0.079 R)
• M13: 3,637,921 km (0.051 R)
• M14: 5,462,716 km (0.099 R)
• M15: 5,944,720 km (0.12 R)
• M16: 6,897,359 km (0.069 R)
• M17: 6,948,821 km (0.117 R)
• M18: 7,000,432 km (0.065 R)
• M19: 7,208,074 km (0.088 R)
• M20: 8,440,761 km (0.076 R)
• M21: 9,222,559 km (0.07 R)
• M22: 9,564,689 km (0.111 R)
• M23: 10,556,523 km (0.095 R)
• M24: 12,260,144 km (0.057 R)
• M25: 13,015,912 km (0.075 R)
• M26: 13,207,248 km (0.117 R)
• M27: 13,722,164 km (0.078 R)
• M28: 15,171,318 km (0.069 R)
• M29: 15,238,338 km (0.106 R)
• M30: 15,642,552 km (0.04 R)
• M31: 16,050,356 km (0.073 R)
• M32: 16,599,380 km (0.108 R)
• M33: 17,998,868 km (0.044 R)
• M34: 18,712,749 km (0.084 R)
• M35: 20,020,982 km (0.028 R)
• M36: 20,315,690 km (0.106 R)
• M37: 21,133,542 km (0.11 R)
• M38: 21,734,925 km (0.111 R)
• M39: 21,962,015 km (0.108 R)
• M40: 23,031,789 km (0.069 R)
• M41: 23,108,832 km (0.07 R)
• M42: 23,186,024 km (0.073 R)
• M43: 23,495,542 km (0.031 R)
• M44: 23,728,466 km (0.055 R)
• M45: 25,142,465 km (0.115 R)
• M46: 25,779,603 km (0.09 R)
• M47: 26,502,759 km (0.103 R)
• M48: 26,988,653 km (0.081 R)
• M49: 28,794,897 km (0.08 R)
• M50: 28,961,101 km (0.059 R)
• M51: 29,461,505 km (0.031 R)
• M52: 30,048,827 km (0.113 R)
• M53: 30,133,050 km (0.069 R)
• M54: 30,217,274 km (0.099 R)
• M55: 30,470,693 km (0.119 R)
• M56: 30,979,625 km (0.098 R)
• M57: 32,523,026 km (0.12 R)
• M58: 33,304,076 km (0.092 R)
• M59: 35,594,869 km (0.072 R)
• M60: 36,579,223 km (0.113 R)
• M61: 38,392,050 km (0.059 R)
• M62: 38,757,966 km (0.119 R)
• M63: 39,401,386 km (0.077 R)
• M64: 40,605,500 km (0.107 R)
• M65: 41,071,946 km (0.094 R)
• M66: 43,144,774 km (0.028 R)
• M67: 43,525,351 km (0.057 R)
• M68: 45,928,940 km (0.101 R)
• M69: 47,391,558 km (0.086 R)
• M70: 47,784,253 km (0.026 R)
• M71: 48,177,994 km (0.04 R)
• M72: 48,968,619 km (0.098 R)
• M73: 49,863,214 km (0.084 R)
• M74: 50,462,503 km (0.11 R)
• M75: 50,562,734 km (0.099 R)
• M76: 51,567,583 km (0.105 R)
• M77: 54,211,276 km (0.055 R)
• M78: 54,930,543 km (0.067 R)
• M79: 55,342,835 km (0.028 R)
• M80: 56,378,351 km (0.085 R)
• M81: 57,315,881 km (0.088 R)
• M82: 57,629,438 km (0.1 R)
• M83: 58,363,515 km (0.065 R)
• M84: 60,583,996 km (0.08 R)
• M85: 60,796,874 km (0.096 R)
• M86: 63,155,434 km (0.108 R)
• M87: 63,912,100 km (0.047 R)
• M88: 64,671,758 km (0.082 R)
• M89: 66,419,360 km (0.11 R)
• M90: 68,958,784 km (0.115 R)
• M91: 69,292,238 km (0.031 R)
• M92: 73,223,221 km (0.092 R)
• M93: 73,336,616 km (0.069 R)
• M94: 74,359,566 km (0.09 R)
• M95: 76,764,801 km (0.097 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 20,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit