🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.87 AU - 1.01 AU

Year: 331 Days

Day: 19.2 Hours

Environment

Temp: 92 °C

Axial Tilt: 20.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,350,256 km

• M1: 151,243 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.27 AU - 2.31 AU

Year: 1259 Days

Day: 36.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,350,256 km

• M1: 72,555 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.24 AU - 2.92 AU

Year: 1506 Days

Day: 15 Hours

Environment

Temp: -95 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,350,256 km

• M1: 639,830 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.24 AU - 3.36 AU

Year: 1703 Days

Day: 45.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.32 AU - 4 AU

Year: 2545 Days

Day: 16.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 11.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.34 AU - 5.94 AU

Year: 4868 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 58,350,256 km

• M1: 144,960 km (0.097 R)
• M2: 224,247 km (0.055 R)
• M3: 340,335 km (0.05 R)
• M4: 495,468 km (0.063 R)
• M5: 805,884 km (0.039 R)
• M6: 919,129 km (0.086 R)
• M7: 1,201,271 km (0.093 R)
• M8: 1,305,989 km (0.117 R)
• M9: 1,441,525 km (0.105 R)
• M10: 1,639,443 km (0.052 R)
• M11: 1,756,728 km (0.096 R)
• M12: 1,846,636 km (0.064 R)
• M13: 2,125,636 km (0.113 R)
• M14: 2,385,338 km (0.11 R)
• M15: 2,468,664 km (0.085 R)
• M16: 2,569,942 km (0.106 R)
• M17: 2,829,345 km (0.094 R)
• M18: 3,079,323 km (0.082 R)
• M19: 3,152,177 km (0.082 R)
• M20: 3,243,880 km (0.085 R)
• M21: 3,336,631 km (0.092 R)
• M22: 3,562,823 km (0.101 R)
• M23: 3,833,146 km (0.087 R)
• M24: 4,393,989 km (0.101 R)
• M25: 4,663,115 km (0.081 R)
• M26: 4,768,133 km (0.054 R)
• M27: 5,239,665 km (0.102 R)
• M28: 5,392,854 km (0.098 R)
• M29: 5,883,983 km (0.117 R)
• M30: 6,112,120 km (0.053 R)
• M31: 6,718,740 km (0.088 R)
• M32: 6,957,199 km (0.107 R)
• M33: 7,271,354 km (0.114 R)
• M34: 7,393,426 km (0.067 R)
• M35: 7,516,246 km (0.049 R)
• M36: 8,267,377 km (0.045 R)
• M37: 8,343,821 km (0.065 R)
• M38: 8,523,039 km (0.078 R)
• M39: 8,651,843 km (0.12 R)
• M40: 8,885,366 km (0.052 R)
• M41: 8,989,934 km (0.099 R)
• M42: 9,200,119 km (0.1 R)
• M43: 9,305,736 km (0.062 R)
• M44: 9,491,686 km (0.096 R)
• M45: 9,571,870 km (0.1 R)
• M46: 10,111,470 km (0.082 R)
• M47: 10,357,558 km (0.071 R)
• M48: 10,883,694 km (0.04 R)
• M49: 11,135,916 km (0.09 R)
• M50: 11,276,837 km (0.051 R)
• M51: 11,732,063 km (0.058 R)
• M52: 12,135,230 km (0.118 R)
• M53: 12,513,712 km (0.12 R)
• M54: 12,955,325 km (0.117 R)
• M55: 13,312,266 km (0.033 R)
• M56: 13,461,864 km (0.113 R)
• M57: 13,884,029 km (0.043 R)
• M58: 14,005,502 km (0.058 R)
• M59: 14,157,793 km (0.114 R)
• M60: 14,341,200 km (0.084 R)
• M61: 14,834,274 km (0.058 R)
• M62: 15,176,405 km (0.098 R)
• M63: 15,458,397 km (0.108 R)
• M64: 15,615,774 km (0.115 R)
• M65: 15,900,458 km (0.072 R)
• M66: 16,474,914 km (0.037 R)
• M67: 16,991,326 km (0.047 R)
• M68: 18,941,035 km (0.12 R)
• M69: 19,312,337 km (0.103 R)
• M70: 19,448,022 km (0.108 R)
• M71: 20,199,602 km (0.094 R)
• M72: 21,766,341 km (0.103 R)
• M73: 22,013,626 km (0.026 R)
• M74: 22,155,295 km (0.116 R)
• M75: 22,368,472 km (0.113 R)
• M76: 23,299,868 km (0.111 R)
• M77: 23,988,467 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 11.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.9 AU - 6.9 AU

Year: 5208 Days

Day: 6.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 58,350,256 km

• M1: 224,696 km (0.078 R)
• M2: 311,164 km (0.098 R)
• M3: 437,125 km (0.047 R)
• M4: 525,388 km (0.116 R)
• M5: 620,981 km (0.114 R)
• M6: 1,022,053 km (0.093 R)
• M7: 1,130,511 km (0.068 R)
• M8: 1,275,771 km (0.078 R)
• M9: 1,393,355 km (0.101 R)
• M10: 1,550,133 km (0.113 R)
• M11: 1,639,742 km (0.111 R)
• M12: 1,712,896 km (0.083 R)
• M13: 1,787,096 km (0.092 R)
• M14: 1,958,087 km (0.103 R)
• M15: 2,215,096 km (0.086 R)
• M16: 3,028,011 km (0.038 R)
• M17: 3,396,171 km (0.079 R)
• M18: 4,100,029 km (0.111 R)
• M19: 4,302,136 km (0.118 R)
• M20: 5,361,438 km (0.071 R)
• M21: 6,615,816 km (0.064 R)
• M22: 6,943,136 km (0.081 R)
• M23: 7,398,213 km (0.093 R)
• M24: 7,552,000 km (0.053 R)
• M25: 7,862,864 km (0.073 R)
• M26: 8,401,117 km (0.114 R)
• M27: 8,820,739 km (0.086 R)
• M28: 9,882,735 km (0.116 R)
• M29: 10,086,337 km (0.036 R)
• M30: 10,188,662 km (0.116 R)
• M31: 10,428,916 km (0.086 R)
• M32: 10,844,948 km (0.119 R)
• M33: 11,125,444 km (0.093 R)
• M34: 11,479,243 km (0.062 R)
• M35: 11,908,888 km (0.111 R)
• M36: 12,380,271 km (0.101 R)
• M37: 12,931,838 km (0.081 R)
• M38: 13,566,582 km (0.073 R)
• M39: 13,793,073 km (0.119 R)
• M40: 13,868,770 km (0.119 R)
• M41: 14,288,093 km (0.085 R)
• M42: 14,403,133 km (0.043 R)
• M43: 14,480,027 km (0.067 R)
• M44: 14,711,455 km (0.069 R)
• M45: 14,905,333 km (0.079 R)
• M46: 15,060,915 km (0.105 R)
• M47: 15,217,095 km (0.083 R)
• M48: 15,334,679 km (0.095 R)
• M49: 15,649,583 km (0.077 R)
• M50: 16,405,950 km (0.067 R)
• M51: 17,337,496 km (0.117 R)
• M52: 17,583,285 km (0.094 R)
• M53: 17,954,288 km (0.057 R)
• M54: 18,494,635 km (0.112 R)
• M55: 20,104,757 km (0.049 R)
• M56: 20,406,197 km (0.12 R)
• M57: 20,492,664 km (0.066 R)
• M58: 21,539,251 km (0.064 R)
• M59: 21,980,415 km (0.118 R)
• M60: 23,683,886 km (0.117 R)
• M61: 23,956,753 km (0.064 R)
• M62: 24,276,443 km (0.063 R)
• M63: 24,827,711 km (0.105 R)
• M64: 25,429,693 km (0.118 R)
• M65: 25,569,268 km (0.105 R)
• M66: 26,459,226 km (0.118 R)
• M67: 26,836,960 km (0.092 R)
• M68: 28,800,881 km (0.094 R)
• M69: 28,897,821 km (0.112 R)
• M70: 29,043,529 km (0.088 R)
• M71: 29,530,919 km (0.091 R)
• M72: 30,860,246 km (0.12 R)
• M73: 31,257,877 km (0.094 R)
• M74: 31,757,384 km (0.053 R)
• M75: 34,242,653 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 13.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.35 AU - 12.27 AU

Year: 14750 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 58,350,256 km

• M1: 221,854 km (0.099 R)
• M2: 767,138 km (0.116 R)
• M3: 885,320 km (0.114 R)
• M4: 978,520 km (0.068 R)
• M5: 1,279,660 km (0.094 R)
• M6: 1,747,303 km (0.112 R)
• M7: 1,847,235 km (0.095 R)
• M8: 2,180,239 km (0.107 R)
• M9: 2,266,557 km (0.041 R)
• M10: 2,465,223 km (0.11 R)
• M11: 2,555,281 km (0.11 R)
• M12: 2,739,137 km (0.114 R)
• M13: 2,832,785 km (0.117 R)
• M14: 2,999,138 km (0.091 R)
• M15: 3,168,932 km (0.055 R)
• M16: 3,341,867 km (0.068 R)
• M17: 3,492,811 km (0.107 R)
• M18: 3,775,252 km (0.049 R)
• M19: 3,932,629 km (0.113 R)
• M20: 5,210,344 km (0.111 R)
• M21: 5,504,154 km (0.066 R)
• M22: 5,924,824 km (0.06 R)
• M23: 6,108,231 km (0.099 R)
• M24: 7,021,675 km (0.12 R)
• M25: 7,809,757 km (0.118 R)
• M26: 7,977,456 km (0.115 R)
• M27: 8,556,849 km (0.103 R)
• M28: 8,729,933 km (0.094 R)
• M29: 8,834,353 km (0.095 R)
• M30: 9,828,580 km (0.118 R)
• M31: 10,302,207 km (0.091 R)
• M32: 10,970,461 km (0.109 R)
• M33: 11,883,307 km (0.077 R)
• M34: 12,192,974 km (0.106 R)
• M35: 12,309,810 km (0.089 R)
• M36: 12,820,388 km (0.06 R)
• M37: 13,579,148 km (0.105 R)
• M38: 13,903,028 km (0.086 R)
• M39: 14,229,450 km (0.115 R)
• M40: 14,434,848 km (0.104 R)
• M41: 15,644,945 km (0.075 R)
• M42: 15,814,440 km (0.046 R)
• M43: 16,412,532 km (0.11 R)
• M44: 16,887,505 km (0.043 R)
• M45: 17,235,919 km (0.106 R)
• M46: 17,851,364 km (0.057 R)
• M47: 18,295,221 km (0.089 R)
• M48: 18,608,180 km (0.099 R)
• M49: 19,284,811 km (0.038 R)
• M50: 19,877,817 km (0.108 R)
• M51: 20,107,450 km (0.074 R)
• M52: 20,245,678 km (0.1 R)
• M53: 20,476,807 km (0.057 R)
• M54: 20,801,734 km (0.103 R)
• M55: 21,692,439 km (0.097 R)
• M56: 22,883,388 km (0.109 R)
• M57: 23,317,371 km (0.11 R)
• M58: 23,802,667 km (0.115 R)
• M59: 24,242,335 km (0.11 R)
• M60: 25,378,232 km (0.088 R)
• M61: 25,777,359 km (0.112 R)
• M62: 26,078,050 km (0.04 R)
• M63: 26,480,768 km (0.071 R)
• M64: 27,599,162 km (0.119 R)
• M65: 28,112,581 km (0.067 R)
• M66: 29,200,906 km (0.115 R)
• M67: 29,671,690 km (0.077 R)
• M68: 30,779,762 km (0.112 R)
• M69: 31,686,624 km (0.079 R)
• M70: 32,008,858 km (0.104 R)
• M71: 32,332,139 km (0.095 R)
• M72: 32,819,080 km (0.106 R)
• M73: 33,636,034 km (0.091 R)
• M74: 33,964,701 km (0.106 R)
• M75: 34,680,526 km (0.097 R)
• M76: 35,123,486 km (0.117 R)
• M77: 36,295,286 km (0.039 R)
• M78: 37,991,277 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.3

Radius: 6.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 14.63 AU - 21.23 AU

Year: 27593 Days

Day: 16.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 58,350,256 km

• M1: 134,339 km (0.054 R)
• M2: 466,147 km (0.113 R)
• M3: 640,728 km (0.103 R)
• M4: 877,541 km (0.084 R)
• M5: 1,072,467 km (0.09 R)
• M6: 1,353,861 km (0.07 R)
• M7: 2,038,720 km (0.099 R)
• M8: 2,210,309 km (0.093 R)
• M9: 3,954,321 km (0.032 R)
• M10: 6,138,001 km (0.115 R)
• M11: 6,849,787 km (0.068 R)
• M12: 7,237,096 km (0.069 R)
• M13: 7,367,845 km (0.053 R)
• M14: 8,996,367 km (0.112 R)
• M15: 9,515,322 km (0.089 R)
• M16: 9,802,550 km (0.03 R)
• M17: 10,681,288 km (0.069 R)
• M18: 11,432,568 km (0.047 R)
• M19: 12,669,892 km (0.051 R)
• M20: 12,827,569 km (0.1 R)
• M21: 13,787,089 km (0.106 R)
• M22: 14,112,016 km (0.081 R)
• M23: 15,717,949 km (0.093 R)
• M24: 15,887,294 km (0.076 R)
• M25: 16,000,689 km (0.084 R)
• M26: 19,521,625 km (0.089 R)
• M27: 20,994,416 km (0.067 R)
• M28: 24,763,833 km (0.069 R)
• M29: 24,961,003 km (0.115 R)
• M30: 25,224,595 km (0.075 R)
• M31: 25,887,912 km (0.107 R)
• M32: 25,954,632 km (0.093 R)
• M33: 26,221,814 km (0.092 R)
• M34: 26,355,704 km (0.1 R)
• M35: 26,422,724 km (0.103 R)
• M36: 29,428,444 km (0.096 R)
• M37: 32,325,108 km (0.116 R)
• M38: 38,384,270 km (0.106 R)
• M39: 39,683,378 km (0.101 R)
• M40: 40,996,848 km (0.115 R)
• M41: 42,954,186 km (0.074 R)
• M42: 44,143,040 km (0.092 R)
• M43: 48,676,454 km (0.115 R)
• M44: 48,758,733 km (0.08 R)
• M45: 50,664,161 km (0.026 R)
• M46: 51,667,813 km (0.064 R)
• M47: 52,256,481 km (0.044 R)
• M48: 53,780,135 km (0.102 R)
• M49: 54,291,162 km (0.077 R)
• M50: 55,920,282 km (0.093 R)
• M51: 57,130,978 km (0.091 R)
• M52: 57,565,410 km (0.1 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 18,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit