🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 11.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.54 AU - 0.58 AU

Year: 284 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,111,342 km

• M1: 139,425 km (0.058 R)
• M2: 572,212 km (0.106 R)
• M3: 978,071 km (0.086 R)
• M4: 1,351,018 km (0.113 R)
• M5: 2,383,842 km (0.057 R)
• M6: 2,890,380 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 9.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.09 AU - 1.17 AU

Year: 815 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,111,342 km

• M1: 120,576 km (0.094 R)
• M2: 445,502 km (0.083 R)
• M3: 809,624 km (0.067 R)
• M4: 1,182,870 km (0.096 R)
• M5: 1,504,356 km (0.093 R)
• M6: 1,825,543 km (0.114 R)
• M7: 2,889,333 km (0.057 R)
• M8: 3,824,170 km (0.08 R)
• M9: 5,049,975 km (0.112 R)
• M10: 5,875,008 km (0.099 R)
• M11: 6,622,099 km (0.031 R)
• M12: 7,431,125 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 13.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.31 AU - 2.49 AU

Year: 2522 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,111,342 km

• M1: 170,392 km (0.08 R)
• M2: 669,899 km (0.103 R)
• M3: 1,244,355 km (0.1 R)
• M4: 1,885,681 km (0.107 R)
• M5: 2,325,200 km (0.087 R)
• M6: 3,432,224 km (0.064 R)
• M7: 4,253,965 km (0.115 R)
• M8: 4,963,209 km (0.095 R)
• M9: 5,514,028 km (0.102 R)
• M10: 6,289,094 km (0.077 R)
• M11: 6,788,153 km (0.103 R)
• M12: 7,494,853 km (0.064 R)
• M13: 8,418,321 km (0.081 R)
• M14: 9,264,895 km (0.098 R)
• M15: 11,059,771 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 8.1

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.49 AU - 5.21 AU

Year: 6154 Days

Day: 12.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,111,342 km

• M1: 102,475 km (0.102 R)
• M2: 888,163 km (0.095 R)
• M3: 1,517,072 km (0.099 R)
• M4: 2,907,135 km (0.102 R)
• M5: 3,967,186 km (0.097 R)
• M6: 5,961,176 km (0.09 R)
• M7: 6,540,120 km (0.054 R)
• M8: 7,193,114 km (0.106 R)
• M9: 8,586,768 km (0.062 R)
• M10: 9,369,614 km (0.108 R)
• M11: 10,976,893 km (0.116 R)
• M12: 12,595,393 km (0.119 R)
• M13: 13,093,554 km (0.089 R)
• M14: 19,110,679 km (0.106 R)
• M15: 19,768,760 km (0.099 R)
• M16: 21,284,935 km (0.096 R)
• M17: 21,833,360 km (0.092 R)
• M18: 25,587,220 km (0.108 R)
• M19: 26,746,753 km (0.118 R)
• M20: 33,179,611 km (0.117 R)
• M21: 35,315,270 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 10.5

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.96 AU - 5.44 AU

Year: 6911 Days

Day: 8 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,111,342 km

• M1: 131,048 km (0.103 R)
• M2: 494,122 km (0.054 R)
• M3: 1,033,871 km (0.071 R)
• M4: 1,775,727 km (0.091 R)
• M5: 2,286,903 km (0.103 R)
• M6: 3,002,429 km (0.103 R)
• M7: 3,523,927 km (0.113 R)
• M8: 4,265,933 km (0.102 R)
• M9: 4,926,707 km (0.099 R)
• M10: 5,486,801 km (0.04 R)
• M11: 6,514,239 km (0.025 R)
• M12: 7,057,429 km (0.068 R)
• M13: 7,982,243 km (0.096 R)
• M14: 9,102,282 km (0.067 R)
• M15: 10,842,405 km (0.112 R)
• M16: 12,453,574 km (0.092 R)
• M17: 12,794,059 km (0.091 R)
• M18: 15,577,626 km (0.052 R)
• M19: 16,030,309 km (0.062 R)
• M20: 19,513,696 km (0.1 R)
• M21: 20,373,584 km (0.088 R)
• M22: 20,846,912 km (0.103 R)
• M23: 21,535,810 km (0.105 R)
• M24: 23,694,059 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946

Radius: 7.2

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.81 AU - 8.73 AU

Year: 16131 Days

Day: 22.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,111,342 km

• M1: 89,609 km (0.119 R)
• M2: 600,486 km (0.109 R)
• M3: 924,814 km (0.086 R)
• M4: 1,485,208 km (0.088 R)
• M5: 1,953,000 km (0.094 R)
• M6: 2,211,206 km (0.071 R)
• M7: 2,447,571 km (0.116 R)
• M8: 3,342,465 km (0.059 R)
• M9: 3,596,931 km (0.063 R)
• M10: 4,643,219 km (0.041 R)
• M11: 5,960,428 km (0.117 R)
• M12: 8,352,049 km (0.091 R)
• M13: 10,639,849 km (0.053 R)
• M14: 11,444,686 km (0.106 R)
• M15: 12,625,312 km (0.084 R)
• M16: 14,545,251 km (0.097 R)
• M17: 17,146,310 km (0.085 R)
• M18: 17,906,117 km (0.117 R)
• M19: 29,205,544 km (0.064 R)
• M20: 29,443,853 km (0.099 R)
• M21: 32,533,647 km (0.043 R)
• M22: 42,779,905 km (0.1 R)
• M23: 43,551,381 km (0.08 R)
• M24: 47,878,499 km (0.096 R)
• M25: 50,402,066 km (0.105 R)
• M26: 53,012,848 km (0.067 R)
• M27: 63,157,827 km (0.094 R)
• M28: 63,556,655 km (0.097 R)
• M29: 66,600,972 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.4

Radius: 4.1

Gravity: 53.74 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.72 AU - 10.98 AU

Year: 20967 Days

Day: 19.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,111,342 km

• M1: 51,013 km (0.078 R)
• M2: 330,013 km (0.083 R)
• M3: 613,800 km (0.037 R)
• M4: 749,785 km (0.108 R)
• M5: 1,182,122 km (0.077 R)
• M6: 1,316,611 km (0.043 R)
• M7: 2,397,904 km (0.096 R)
• M8: 2,639,654 km (0.093 R)
• M9: 2,951,117 km (0.112 R)
• M10: 3,646,747 km (0.105 R)
• M11: 4,589,363 km (0.061 R)
• M12: 5,768,045 km (0.102 R)
• M13: 7,789,112 km (0.077 R)
• M14: 8,051,058 km (0.101 R)
• M15: 9,450,097 km (0.105 R)
• M16: 10,114,013 km (0.077 R)
• M17: 10,362,944 km (0.104 R)
• M18: 10,552,484 km (0.099 R)
• M19: 11,333,235 km (0.118 R)
• M20: 18,733,094 km (0.11 R)
• M21: 19,203,280 km (0.11 R)
• M22: 20,363,711 km (0.068 R)
• M23: 22,400,336 km (0.059 R)
• M24: 26,873,014 km (0.072 R)
• M25: 35,923,834 km (0.077 R)
• M26: 37,088,753 km (0.083 R)
• M27: 41,364,110 km (0.051 R)
• M28: 42,000,500 km (0.076 R)
• M29: 42,321,238 km (0.098 R)
• M30: 43,292,876 km (0.108 R)
• M31: 43,948,862 km (0.098 R)
• M32: 54,219,355 km (0.098 R)
• M33: 57,704,686 km (0.063 R)
• M34: 58,499,051 km (0.08 R)
• M35: 59,099,536 km (0.112 R)
• M36: 61,336,473 km (0.107 R)
• M37: 65,762,476 km (0.099 R)
• M38: 68,384,927 km (0.069 R)
• M39: 68,828,634 km (0.089 R)
• M40: 70,849,103 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 12,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit