🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.9

Radius: 8.9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,932,937 km

• M1: 111,002 km (0.12 R)
• M2: 576,700 km (0.106 R)
• M3: 926,908 km (0.094 R)
• M4: 1,310,627 km (0.113 R)
• M5: 1,669,662 km (0.111 R)
• M6: 2,359,308 km (0.084 R)
• M7: 2,685,880 km (0.072 R)
• M8: 3,000,185 km (0.085 R)
• M9: 3,512,408 km (0.071 R)
• M10: 4,107,808 km (0.103 R)
• M11: 4,499,156 km (0.097 R)
• M12: 5,109,964 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 10.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.99 AU - 1.09 AU

Year: 732 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,932,937 km

• M1: 131,796 km (0.1 R)
• M2: 571,913 km (0.082 R)
• M3: 923,468 km (0.079 R)
• M4: 1,545,944 km (0.102 R)
• M5: 2,027,350 km (0.1 R)
• M6: 2,484,970 km (0.083 R)
• M7: 2,863,602 km (0.097 R)
• M8: 3,215,157 km (0.052 R)
• M9: 3,595,734 km (0.117 R)
• M10: 3,930,684 km (0.119 R)
• M11: 4,596,843 km (0.065 R)
• M12: 5,028,134 km (0.111 R)
• M13: 5,448,654 km (0.049 R)
• M14: 5,813,672 km (0.088 R)
• M15: 6,831,237 km (0.106 R)
• M16: 7,627,995 km (0.067 R)
• M17: 8,334,097 km (0.103 R)
• M18: 8,716,170 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 13.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.01 AU - 3.51 AU

Year: 4063 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,932,937 km

• M1: 186,249 km (0.107 R)
• M2: 692,040 km (0.049 R)
• M3: 4,043,780 km (0.064 R)
• M4: 4,965,004 km (0.064 R)
• M5: 5,966,561 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 6.8

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.66 AU - 6.96 AU

Year: 9667 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,932,937 km

• M1: 86,168 km (0.109 R)
• M2: 341,831 km (0.092 R)
• M3: 691,890 km (0.075 R)
• M4: 1,091,017 km (0.057 R)
• M5: 2,730,161 km (0.107 R)
• M6: 3,469,025 km (0.074 R)
• M7: 3,939,510 km (0.068 R)
• M8: 4,247,383 km (0.091 R)
• M9: 4,943,162 km (0.088 R)
• M10: 5,504,603 km (0.105 R)
• M11: 6,034,329 km (0.077 R)
• M12: 7,486,625 km (0.092 R)
• M13: 8,226,237 km (0.049 R)
• M14: 8,965,999 km (0.104 R)
• M15: 9,254,573 km (0.109 R)
• M16: 10,471,103 km (0.108 R)
• M17: 11,563,616 km (0.079 R)
• M18: 12,313,251 km (0.087 R)
• M19: 13,845,283 km (0.04 R)
• M20: 15,638,064 km (0.088 R)
• M21: 17,805,438 km (0.06 R)
• M22: 19,197,745 km (0.103 R)
• M23: 19,758,288 km (0.11 R)
• M24: 21,080,434 km (0.056 R)
• M25: 21,505,442 km (0.095 R)
• M26: 24,455,063 km (0.056 R)
• M27: 27,663,788 km (0.085 R)
• M28: 32,251,655 km (0.063 R)
• M29: 32,815,939 km (0.107 R)
• M30: 33,272,212 km (0.065 R)
• M31: 34,431,147 km (0.081 R)
• M32: 39,080,948 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 5.6

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.7 AU - 6.64 AU

Year: 10579 Days

Day: 16.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,932,937 km

• M1: 69,713 km (0.117 R)
• M2: 297,999 km (0.078 R)
• M3: 647,011 km (0.046 R)
• M4: 1,154,596 km (0.103 R)
• M5: 1,574,518 km (0.041 R)
• M6: 1,778,719 km (0.117 R)
• M7: 2,127,731 km (0.11 R)
• M8: 2,438,894 km (0.12 R)
• M9: 2,985,375 km (0.097 R)
• M10: 3,250,313 km (0.116 R)
• M11: 3,583,467 km (0.088 R)
• M12: 4,053,205 km (0.107 R)
• M13: 4,981,160 km (0.116 R)
• M14: 5,285,143 km (0.076 R)
• M15: 5,856,308 km (0.032 R)
• M16: 6,080,705 km (0.085 R)
• M17: 9,191,742 km (0.026 R)
• M18: 13,481,910 km (0.043 R)
• M19: 13,808,033 km (0.118 R)
• M20: 14,408,070 km (0.104 R)
• M21: 14,886,783 km (0.062 R)
• M22: 16,093,290 km (0.09 R)
• M23: 17,671,996 km (0.058 R)
• M24: 20,959,559 km (0.116 R)
• M25: 23,023,262 km (0.078 R)
• M26: 24,826,963 km (0.103 R)
• M27: 27,030,839 km (0.096 R)
• M28: 31,479,880 km (0.086 R)
• M29: 31,938,397 km (0.089 R)
• M30: 53,172,319 km (0.102 R)
• M31: 55,304,837 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.6

Radius: 7.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.63 AU - 10.39 AU

Year: 17136 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,932,937 km

• M1: 91,105 km (0.118 R)
• M2: 738,116 km (0.06 R)
• M3: 1,046,587 km (0.113 R)
• M4: 1,295,218 km (0.11 R)
• M5: 1,522,757 km (0.08 R)
• M6: 2,104,992 km (0.043 R)
• M7: 3,094,582 km (0.079 R)
• M8: 3,614,883 km (0.032 R)
• M9: 4,143,861 km (0.102 R)
• M10: 4,389,501 km (0.085 R)
• M11: 5,736,929 km (0.071 R)
• M12: 6,263,064 km (0.073 R)
• M13: 7,411,228 km (0.078 R)
• M14: 8,693,731 km (0.078 R)
• M15: 10,931,715 km (0.118 R)
• M16: 11,307,205 km (0.11 R)
• M17: 11,739,693 km (0.11 R)
• M18: 12,384,011 km (0.075 R)
• M19: 13,635,098 km (0.116 R)
• M20: 13,905,870 km (0.108 R)
• M21: 14,683,480 km (0.113 R)
• M22: 17,002,396 km (0.091 R)
• M23: 26,063,839 km (0.076 R)
• M24: 27,847,644 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.8

Radius: 5

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.69 AU - 10.31 AU

Year: 21828 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,932,937 km

• M1: 63,729 km (0.101 R)
• M2: 278,701 km (0.047 R)
• M3: 512,822 km (0.112 R)
• M4: 806,931 km (0.118 R)
• M5: 1,099,096 km (0.072 R)
• M6: 1,335,610 km (0.111 R)
• M7: 1,667,119 km (0.099 R)
• M8: 1,860,698 km (0.058 R)
• M9: 2,554,683 km (0.034 R)
• M10: 3,382,258 km (0.055 R)
• M11: 4,465,945 km (0.109 R)
• M12: 5,548,735 km (0.08 R)
• M13: 8,734,720 km (0.116 R)
• M14: 10,682,186 km (0.078 R)
• M15: 12,715,669 km (0.099 R)
• M16: 18,381,988 km (0.115 R)
• M17: 18,778,422 km (0.1 R)
• M18: 19,424,685 km (0.079 R)
• M19: 25,138,127 km (0.07 R)
• M20: 31,537,625 km (0.116 R)
• M21: 44,379,405 km (0.076 R)
• M22: 48,321,758 km (0.045 R)
• M23: 49,686,090 km (0.09 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 19,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit