🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.65 AU

Year: 136 Days

Day: 37.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.61 AU - 0.87 AU

Year: 224 Days

Day: 27.3 Hours

Environment

Temp: 159 °C

Axial Tilt: 43.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 228 Days

Day: 42.5 Hours

Environment

Temp: 170 °C

Axial Tilt: 143.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,988,438 km

• M1: 20,944 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.52 AU - 2.42 AU

Year: 972 Days

Day: 37.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,988,438 km

• M1: 930,499 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.37 AU - 3.27 AU

Year: 1664 Days

Day: 39.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.28 AU - 5.08 AU

Year: 3558 Days

Day: 30.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,988,438 km

• M1: 3,851,098 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.5

Radius: 14.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.56 AU - 8.2 AU

Year: 7046 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 81,988,438 km

• M1: 233,821 km (0.091 R)
• M2: 363,672 km (0.044 R)
• M3: 475,123 km (0.119 R)
• M4: 715,676 km (0.11 R)
• M5: 836,850 km (0.11 R)
• M6: 1,102,836 km (0.075 R)
• M7: 2,039,617 km (0.119 R)
• M8: 2,174,106 km (0.081 R)
• M9: 2,428,572 km (0.05 R)
• M10: 2,547,652 km (0.107 R)
• M11: 2,644,292 km (0.081 R)
• M12: 3,303,121 km (0.119 R)
• M13: 3,624,308 km (0.096 R)
• M14: 4,589,214 km (0.091 R)
• M15: 4,857,742 km (0.055 R)
• M16: 5,039,503 km (0.097 R)
• M17: 5,254,625 km (0.112 R)
• M18: 5,410,207 km (0.086 R)
• M19: 5,598,850 km (0.092 R)
• M20: 5,950,555 km (0.105 R)
• M21: 6,375,562 km (0.119 R)
• M22: 6,475,045 km (0.106 R)
• M23: 6,574,976 km (0.082 R)
• M24: 6,742,974 km (0.12 R)
• M25: 7,151,676 km (0.115 R)
• M26: 7,638,766 km (0.113 R)
• M27: 7,886,501 km (0.065 R)
• M28: 8,903,616 km (0.108 R)
• M29: 9,015,067 km (0.074 R)
• M30: 9,314,562 km (0.042 R)
• M31: 10,116,556 km (0.109 R)
• M32: 10,232,943 km (0.056 R)
• M33: 11,100,012 km (0.113 R)
• M34: 11,340,566 km (0.082 R)
• M35: 11,582,914 km (0.104 R)
• M36: 14,012,982 km (0.1 R)
• M37: 14,622,593 km (0.052 R)
• M38: 16,003,232 km (0.068 R)
• M39: 16,870,002 km (0.109 R)
• M40: 17,518,509 km (0.059 R)
• M41: 17,705,207 km (0.097 R)
• M42: 18,364,186 km (0.061 R)
• M43: 18,935,500 km (0.09 R)
• M44: 19,560,819 km (0.093 R)
• M45: 20,291,006 km (0.085 R)
• M46: 21,030,020 km (0.105 R)
• M47: 22,941,731 km (0.12 R)
• M48: 23,146,082 km (0.113 R)
• M49: 23,453,954 km (0.112 R)
• M50: 23,814,784 km (0.11 R)
• M51: 24,073,738 km (0.099 R)
• M52: 24,385,500 km (0.11 R)
• M53: 24,594,189 km (0.117 R)
• M54: 24,803,477 km (0.049 R)
• M55: 25,276,505 km (0.087 R)
• M56: 26,071,618 km (0.027 R)
• M57: 28,231,661 km (0.045 R)
• M58: 28,945,991 km (0.119 R)
• M59: 29,056,394 km (0.103 R)
• M60: 29,944,856 km (0.11 R)
• M61: 30,785,895 km (0.109 R)
• M62: 31,237,681 km (0.109 R)
• M63: 31,748,558 km (0.093 R)
• M64: 31,919,398 km (0.111 R)
• M65: 32,893,729 km (0.031 R)
• M66: 33,124,409 km (0.03 R)
• M67: 33,239,899 km (0.091 R)
• M68: 34,052,365 km (0.086 R)
• M69: 34,812,621 km (0.107 R)
• M70: 34,988,848 km (0.083 R)
• M71: 35,401,289 km (0.084 R)
• M72: 36,052,638 km (0.036 R)
• M73: 36,469,268 km (0.099 R)
• M74: 36,767,716 km (0.111 R)
• M75: 37,007,072 km (0.112 R)
• M76: 37,367,155 km (0.085 R)
• M77: 37,668,145 km (0.098 R)
• M78: 37,788,721 km (0.06 R)
• M79: 38,333,108 km (0.118 R)
• M80: 38,454,432 km (0.05 R)
• M81: 39,062,996 km (0.08 R)
• M82: 39,368,325 km (0.074 R)
• M83: 40,104,646 km (0.112 R)
• M84: 40,907,538 km (0.096 R)
• M85: 41,031,554 km (0.062 R)
• M86: 41,591,050 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675

Radius: 4.1

Gravity: 40.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 12.22 AU - 19.82 AU

Year: 22536 Days

Day: 18.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 81,988,438 km

• M1: 145,559 km (0.114 R)
• M2: 414,536 km (0.077 R)
• M3: 1,022,651 km (0.034 R)
• M4: 1,315,863 km (0.06 R)
• M5: 1,377,647 km (0.027 R)
• M6: 2,603,302 km (0.12 R)
• M7: 2,642,048 km (0.115 R)
• M8: 2,681,093 km (0.084 R)
• M9: 3,081,118 km (0.037 R)
• M10: 3,457,057 km (0.088 R)
• M11: 3,542,627 km (0.098 R)
• M12: 5,002,852 km (0.081 R)
• M13: 5,344,234 km (0.096 R)
• M14: 5,393,602 km (0.113 R)
• M15: 5,844,938 km (0.113 R)
• M16: 6,256,333 km (0.088 R)
• M17: 6,676,852 km (0.08 R)
• M18: 6,730,109 km (0.12 R)
• M19: 7,160,951 km (0.039 R)
• M20: 7,711,920 km (0.079 R)
• M21: 8,333,649 km (0.066 R)
• M22: 8,795,906 km (0.072 R)
• M23: 9,266,391 km (0.089 R)
• M24: 10,354,716 km (0.034 R)
• M25: 11,165,387 km (0.101 R)
• M26: 11,418,955 km (0.032 R)
• M27: 14,125,031 km (0.118 R)
• M28: 15,022,469 km (0.043 R)
• M29: 16,080,724 km (0.112 R)
• M30: 16,799,542 km (0.053 R)
• M31: 17,823,240 km (0.111 R)
• M32: 17,971,192 km (0.112 R)
• M33: 18,045,243 km (0.101 R)
• M34: 19,093,326 km (0.036 R)
• M35: 20,392,284 km (0.09 R)
• M36: 21,877,492 km (0.109 R)
• M37: 22,035,766 km (0.085 R)
• M38: 24,292,301 km (0.111 R)
• M39: 24,620,668 km (0.09 R)
• M40: 26,284,196 km (0.102 R)
• M41: 27,214,545 km (0.114 R)
• M42: 27,299,667 km (0.111 R)
• M43: 28,414,021 km (0.06 R)
• M44: 29,194,174 km (0.112 R)
• M45: 30,510,187 km (0.105 R)
• M46: 30,864,285 km (0.097 R)
• M47: 32,474,855 km (0.079 R)
• M48: 33,655,033 km (0.049 R)
• M49: 33,746,288 km (0.065 R)
• M50: 34,756,672 km (0.087 R)
• M51: 35,219,228 km (0.062 R)
• M52: 35,590,680 km (0.047 R)
• M53: 35,683,879 km (0.074 R)
• M54: 35,963,478 km (0.096 R)
• M55: 37,941,760 km (0.056 R)
• M56: 38,800,452 km (0.071 R)
• M57: 38,992,087 km (0.092 R)
• M58: 40,633,923 km (0.107 R)
• M59: 41,414,375 km (0.109 R)
• M60: 43,585,938 km (0.079 R)
• M61: 44,284,560 km (0.039 R)
• M62: 44,987,072 km (0.104 R)
• M63: 45,592,045 km (0.073 R)
• M64: 46,809,922 km (0.111 R)
• M65: 47,422,974 km (0.054 R)
• M66: 47,833,171 km (0.109 R)
• M67: 49,797,391 km (0.099 R)
• M68: 52,421,637 km (0.084 R)
• M69: 52,527,552 km (0.098 R)
• M70: 53,058,176 km (0.065 R)
• M71: 53,483,932 km (0.094 R)
• M72: 56,604,394 km (0.084 R)
• M73: 57,584,858 km (0.074 R)
• M74: 57,803,420 km (0.064 R)
• M75: 57,912,776 km (0.069 R)
• M76: 58,790,617 km (0.11 R)
• M77: 59,231,183 km (0.054 R)
• M78: 60,670,464 km (0.064 R)
• M79: 62,345,511 km (0.041 R)
• M80: 63,696,529 km (0.037 R)
• M81: 63,809,476 km (0.082 R)
• M82: 64,262,159 km (0.065 R)
• M83: 64,943,278 km (0.118 R)
• M84: 65,056,972 km (0.04 R)
• M85: 66,885,956 km (0.072 R)
• M86: 67,576,201 km (0.117 R)
• M87: 68,037,560 km (0.108 R)
• M88: 69,428,222 km (0.105 R)
• M89: 69,544,460 km (0.1 R)
• M90: 71,649,152 km (0.033 R)
• M91: 72,001,904 km (0.073 R)
• M92: 72,119,637 km (0.105 R)
• M93: 75,681,114 km (0.103 R)
• M94: 77,603,895 km (0.046 R)
• M95: 77,724,621 km (0.118 R)
• M96: 79,421,061 km (0.119 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 11,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit