🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.5 AU - 0.66 AU

Year: 164 Days

Day: 44.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,235,160 km

• M1: 239,955 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.65 AU - 0.87 AU

Year: 246 Days

Day: 21.7 Hours

Environment

Temp: 187 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.08 AU - 1.3 AU

Year: 481 Days

Day: 38.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.67 AU - 2.75 AU

Year: 1218 Days

Day: 42.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.37 AU - 2.99 AU

Year: 1627 Days

Day: 20.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 166.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.42 AU - 5.42 AU

Year: 3446 Days

Day: 47.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.26 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.6

Radius: 4.6

Gravity: 26.68 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 13.12 AU - 19.08 AU

Year: 23958 Days

Day: 19.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 89,235,160 km

• M1: 162,912 km (0.087 R)
• M2: 774,169 km (0.047 R)
• M3: 1,610,720 km (0.055 R)
• M4: 1,708,707 km (0.052 R)
• M5: 1,842,597 km (0.067 R)
• M6: 1,945,371 km (0.096 R)
• M7: 2,085,095 km (0.102 R)
• M8: 2,120,550 km (0.111 R)
• M9: 2,156,304 km (0.116 R)
• M10: 2,411,667 km (0.075 R)
• M11: 2,676,605 km (0.055 R)
• M12: 3,152,177 km (0.116 R)
• M13: 3,568,208 km (0.115 R)
• M14: 4,451,135 km (0.099 R)
• M15: 5,155,143 km (0.118 R)
• M16: 5,693,246 km (0.097 R)
• M17: 6,249,002 km (0.079 R)
• M18: 7,411,677 km (0.074 R)
• M19: 7,850,597 km (0.088 R)
• M20: 7,906,098 km (0.108 R)
• M21: 8,524,835 km (0.113 R)
• M22: 8,696,274 km (0.12 R)
• M23: 9,808,235 km (0.1 R)
• M24: 10,472,300 km (0.116 R)
• M25: 10,533,336 km (0.104 R)
• M26: 11,275,640 km (0.061 R)
• M27: 11,526,815 km (0.083 R)
• M28: 12,355,737 km (0.091 R)
• M29: 14,749,452 km (0.054 R)
• M30: 14,955,299 km (0.111 R)
• M31: 16,564,374 km (0.108 R)
• M32: 17,136,885 km (0.118 R)
• M33: 17,280,948 km (0.072 R)
• M34: 18,967,215 km (0.06 R)
• M35: 19,041,715 km (0.041 R)
• M36: 21,166,752 km (0.073 R)
• M37: 21,554,061 km (0.114 R)
• M38: 21,709,643 km (0.086 R)
• M39: 21,787,583 km (0.1 R)
• M40: 22,572,075 km (0.117 R)
• M41: 22,967,761 km (0.106 R)
• M42: 24,492,163 km (0.067 R)
• M43: 24,735,858 km (0.098 R)
• M44: 25,143,662 km (0.084 R)
• M45: 26,297,660 km (0.028 R)
• M46: 27,216,341 km (0.12 R)
• M47: 27,721,832 km (0.093 R)
• M48: 29,170,986 km (0.091 R)
• M49: 29,429,342 km (0.084 R)
• M50: 29,948,147 km (0.111 R)
• M51: 30,994,884 km (0.027 R)
• M52: 31,082,548 km (0.12 R)
• M53: 33,753,768 km (0.049 R)
• M54: 33,844,125 km (0.12 R)
• M55: 35,574,972 km (0.114 R)
• M56: 35,666,825 km (0.056 R)
• M57: 37,427,891 km (0.101 R)
• M58: 37,989,781 km (0.113 R)
• M59: 38,932,547 km (0.113 R)
• M60: 39,692,354 km (0.081 R)
• M61: 41,033,649 km (0.039 R)
• M62: 42,000,799 km (0.087 R)
• M63: 47,351,616 km (0.104 R)
• M64: 47,553,872 km (0.093 R)
• M65: 48,569,342 km (0.081 R)
• M66: 49,592,143 km (0.057 R)
• M67: 49,797,541 km (0.073 R)
• M68: 50,003,238 km (0.08 R)
• M69: 52,702,582 km (0.057 R)
• M70: 53,017,186 km (0.119 R)
• M71: 54,599,034 km (0.037 R)
• M72: 55,023,443 km (0.1 R)
• M73: 56,196,291 km (0.109 R)
• M74: 56,732,150 km (0.11 R)
• M75: 61,740,836 km (0.092 R)
• M76: 61,851,240 km (0.077 R)
• M77: 62,404,453 km (0.057 R)
• M78: 63,515,815 km (0.11 R)
• M79: 63,627,266 km (0.12 R)
• M80: 65,983,582 km (0.079 R)
• M81: 66,435,666 km (0.083 R)
• M82: 67,342,977 km (0.099 R)
• M83: 67,570,366 km (0.093 R)
• M84: 69,743,874 km (0.071 R)
• M85: 70,550,356 km (0.097 R)
• M86: 71,707,795 km (0.062 R)
• M87: 71,940,120 km (0.11 R)
• M88: 72,638,293 km (0.093 R)
• M89: 72,871,666 km (0.112 R)
• M90: 74,041,671 km (0.083 R)
• M91: 75,335,842 km (0.101 R)
• M92: 75,453,875 km (0.08 R)
• M93: 77,707,866 km (0.045 R)
• M94: 78,185,233 km (0.041 R)
• M95: 79,983,998 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.7

Radius: 4.4

Gravity: 29.58 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 16.47 AU - 19.07 AU

Year: 27780 Days

Day: 20.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 89,235,160 km

• M1: 118,482 km (0.115 R)
• M2: 450,439 km (0.099 R)
• M3: 1,051,823 km (0.08 R)
• M4: 1,081,892 km (0.112 R)
• M5: 1,464,862 km (0.077 R)
• M6: 1,777,671 km (0.105 R)
• M7: 1,960,181 km (0.042 R)
• M8: 2,343,151 km (0.117 R)
• M9: 2,624,844 km (0.114 R)
• M10: 3,089,046 km (0.057 R)
• M11: 3,132,430 km (0.113 R)
• M12: 3,995,909 km (0.042 R)
• M13: 5,080,942 km (0.101 R)
• M14: 5,977,632 km (0.101 R)
• M15: 6,195,596 km (0.03 R)
• M16: 6,416,253 km (0.092 R)
• M17: 7,616,177 km (0.099 R)
• M18: 7,734,060 km (0.103 R)
• M19: 9,572,618 km (0.056 R)
• M20: 12,014,504 km (0.093 R)
• M21: 12,151,685 km (0.03 R)
• M22: 14,126,377 km (0.116 R)
• M23: 16,501,692 km (0.07 R)
• M24: 17,268,980 km (0.045 R)
• M25: 18,047,936 km (0.04 R)
• M26: 18,599,802 km (0.106 R)
• M27: 19,559,024 km (0.064 R)
• M28: 19,639,657 km (0.119 R)
• M29: 19,720,440 km (0.097 R)
• M30: 19,801,223 km (0.095 R)
• M31: 20,945,048 km (0.064 R)
• M32: 22,110,116 km (0.089 R)
• M33: 23,467,119 km (0.101 R)
• M34: 26,171,998 km (0.111 R)
• M35: 26,349,870 km (0.07 R)
• M36: 27,515,686 km (0.12 R)
• M37: 28,241,535 km (0.032 R)
• M38: 30,549,980 km (0.087 R)
• M39: 31,490,202 km (0.082 R)
• M40: 33,110,198 km (0.104 R)
• M41: 33,785,183 km (0.086 R)
• M42: 33,978,912 km (0.049 R)
• M43: 34,659,583 km (0.105 R)
• M44: 38,130,104 km (0.057 R)
• M45: 39,548,890 km (0.112 R)
• M46: 42,125,264 km (0.106 R)
• M47: 42,961,068 km (0.061 R)
• M48: 43,696,940 km (0.062 R)
• M49: 44,330,935 km (0.082 R)
• M50: 45,501,240 km (0.093 R)
• M51: 45,929,239 km (0.105 R)
• M52: 48,634,866 km (0.083 R)
• M53: 49,182,095 km (0.11 R)
• M54: 53,520,284 km (0.054 R)
• M55: 53,858,973 km (0.058 R)
• M56: 54,311,806 km (0.107 R)
• M57: 56,709,411 km (0.093 R)
• M58: 57,285,363 km (0.081 R)
• M59: 57,516,342 km (0.114 R)
• M60: 61,371,030 km (0.087 R)
• M61: 64,466,210 km (0.09 R)
• M62: 64,826,592 km (0.071 R)
• M63: 64,946,868 km (0.092 R)
• M64: 66,032,799 km (0.055 R)
• M65: 66,759,995 km (0.085 R)
• M66: 66,881,468 km (0.032 R)
• M67: 67,733,877 km (0.031 R)
• M68: 68,222,463 km (0.101 R)
• M69: 68,344,834 km (0.03 R)
• M70: 69,572,285 km (0.119 R)
• M71: 69,818,673 km (0.06 R)
• M72: 70,065,360 km (0.095 R)
• M73: 71,302,983 km (0.087 R)
• M74: 74,428,531 km (0.084 R)
• M75: 76,198,274 km (0.081 R)
• M76: 77,470,903 km (0.091 R)
• M77: 77,726,266 km (0.108 R)
• M78: 77,981,929 km (0.096 R)
• M79: 79,264,282 km (0.072 R)
• M80: 81,849,932 km (0.118 R)
• M81: 85,120,590 km (0.025 R)
• M82: 85,252,236 km (0.108 R)
• M83: 87,236,203 km (0.11 R)
• M84: 89,235,130 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 13,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit