🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.9

Radius: 11.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.99 AU - 1.35 AU

Year: 830 Days

Day: 13 Hours

Environment

Temp: -160 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,465,405 km

• M1: 146,756 km (0.07 R)
• M2: 675,734 km (0.094 R)
• M3: 1,171,800 km (0.048 R)
• M4: 2,133,565 km (0.099 R)
• M5: 2,545,707 km (0.084 R)
• M6: 3,404,399 km (0.116 R)
• M7: 3,987,681 km (0.078 R)
• M8: 4,601,780 km (0.103 R)
• M9: 5,297,261 km (0.108 R)
• M10: 6,274,733 km (0.101 R)
• M11: 7,489,318 km (0.081 R)
• M12: 9,102,282 km (0.102 R)
• M13: 10,020,215 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 11.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.85 AU - 4.75 AU

Year: 4859 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,465,405 km

• M1: 149,897 km (0.056 R)
• M2: 554,709 km (0.092 R)
• M3: 1,815,370 km (0.116 R)
• M4: 2,576,823 km (0.111 R)
• M5: 3,125,698 km (0.093 R)
• M6: 4,503,943 km (0.114 R)
• M7: 4,963,957 km (0.048 R)
• M8: 5,582,843 km (0.065 R)
• M9: 6,592,928 km (0.048 R)
• M10: 8,080,080 km (0.094 R)
• M11: 9,779,811 km (0.112 R)
• M12: 11,120,358 km (0.098 R)
• M13: 13,355,799 km (0.071 R)
• M14: 15,053,435 km (0.077 R)
• M15: 15,771,356 km (0.107 R)
• M16: 17,000,152 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 9.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.82 AU - 5.08 AU

Year: 6158 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,465,405 km

• M1: 119,379 km (0.045 R)
• M2: 471,383 km (0.111 R)
• M3: 1,106,575 km (0.114 R)
• M4: 1,437,935 km (0.089 R)
• M5: 1,864,438 km (0.059 R)
• M6: 2,258,778 km (0.081 R)
• M7: 2,916,261 km (0.087 R)
• M8: 3,321,970 km (0.113 R)
• M9: 3,882,065 km (0.047 R)
• M10: 5,248,492 km (0.104 R)
• M11: 6,366,287 km (0.07 R)
• M12: 7,159,156 km (0.114 R)
• M13: 7,560,976 km (0.082 R)
• M14: 10,481,276 km (0.072 R)
• M15: 11,192,913 km (0.096 R)
• M16: 14,250,544 km (0.073 R)
• M17: 15,664,692 km (0.103 R)
• M18: 16,094,188 km (0.038 R)
• M19: 18,701,080 km (0.039 R)
• M20: 22,884,435 km (0.105 R)
• M21: 26,081,342 km (0.102 R)
• M22: 26,685,119 km (0.093 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606

Radius: 5.5

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.79 AU - 9.65 AU

Year: 14071 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,465,405 km

• M1: 68,366 km (0.078 R)
• M2: 240,703 km (0.079 R)
• M3: 743,501 km (0.082 R)
• M4: 1,281,755 km (0.104 R)
• M5: 1,505,254 km (0.095 R)
• M6: 2,067,891 km (0.106 R)
• M7: 2,542,865 km (0.101 R)
• M8: 2,828,896 km (0.111 R)
• M9: 4,075,196 km (0.066 R)
• M10: 4,753,622 km (0.088 R)
• M11: 5,612,912 km (0.109 R)
• M12: 8,183,303 km (0.101 R)
• M13: 10,312,679 km (0.072 R)
• M14: 12,848,512 km (0.12 R)
• M15: 13,297,306 km (0.042 R)
• M16: 20,463,642 km (0.106 R)
• M17: 21,789,528 km (0.04 R)
• M18: 21,970,542 km (0.042 R)
• M19: 25,402,766 km (0.084 R)
• M20: 33,187,091 km (0.044 R)
• M21: 34,519,709 km (0.114 R)
• M22: 42,281,145 km (0.095 R)
• M23: 45,893,485 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.4

Radius: 6.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.51 AU - 8.97 AU

Year: 15517 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,465,405 km

• M1: 82,129 km (0.078 R)
• M2: 373,546 km (0.113 R)
• M3: 1,592,918 km (0.043 R)
• M4: 2,233,347 km (0.117 R)
• M5: 2,603,302 km (0.119 R)
• M6: 2,993,902 km (0.097 R)
• M7: 3,337,977 km (0.065 R)
• M8: 5,096,799 km (0.118 R)
• M9: 5,558,458 km (0.085 R)
• M10: 5,985,112 km (0.108 R)
• M11: 6,270,694 km (0.043 R)
• M12: 7,288,857 km (0.065 R)
• M13: 8,102,520 km (0.111 R)
• M14: 8,373,741 km (0.096 R)
• M15: 9,434,539 km (0.109 R)
• M16: 11,429,277 km (0.12 R)
• M17: 13,689,252 km (0.09 R)
• M18: 14,297,517 km (0.099 R)
• M19: 15,747,121 km (0.045 R)
• M20: 16,849,507 km (0.118 R)
• M21: 20,895,980 km (0.108 R)
• M22: 22,911,363 km (0.107 R)
• M23: 24,404,798 km (0.104 R)
• M24: 25,298,646 km (0.107 R)
• M25: 25,546,080 km (0.069 R)
• M26: 29,728,986 km (0.06 R)
• M27: 30,004,546 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 15,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit