🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 12.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,166,920 km

• M1: 156,779 km (0.12 R)
• M2: 627,862 km (0.089 R)
• M3: 1,050,626 km (0.052 R)
• M4: 1,568,534 km (0.116 R)
• M5: 2,160,492 km (0.112 R)
• M6: 2,993,603 km (0.109 R)
• M7: 3,396,769 km (0.119 R)
• M8: 3,810,856 km (0.112 R)
• M9: 4,231,675 km (0.101 R)
• M10: 5,167,559 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 14.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 421 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,166,920 km

• M1: 177,872 km (0.094 R)
• M2: 721,959 km (0.114 R)
• M3: 1,255,126 km (0.059 R)
• M4: 2,302,461 km (0.106 R)
• M5: 3,005,720 km (0.07 R)
• M6: 3,547,863 km (0.06 R)
• M7: 4,504,541 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.9

Radius: 8.6

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.4 AU - 2.88 AU

Year: 3015 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,166,920 km

• M1: 106,962 km (0.091 R)
• M2: 458,218 km (0.08 R)
• M3: 841,338 km (0.109 R)
• M4: 1,143,526 km (0.109 R)
• M5: 1,508,395 km (0.084 R)
• M6: 1,949,859 km (0.117 R)
• M7: 2,295,579 km (0.091 R)
• M8: 2,681,841 km (0.086 R)
• M9: 3,352,039 km (0.101 R)
• M10: 3,625,654 km (0.081 R)
• M11: 3,935,322 km (0.119 R)
• M12: 4,584,576 km (0.065 R)
• M13: 5,487,699 km (0.102 R)
• M14: 5,869,323 km (0.109 R)
• M15: 6,356,414 km (0.105 R)
• M16: 7,980,897 km (0.05 R)
• M17: 8,400,070 km (0.082 R)
• M18: 10,388,974 km (0.102 R)
• M19: 11,102,107 km (0.118 R)
• M20: 12,439,811 km (0.108 R)
• M21: 13,931,751 km (0.081 R)
• M22: 14,798,670 km (0.098 R)
• M23: 16,138,469 km (0.052 R)
• M24: 17,968,948 km (0.088 R)
• M25: 21,969,644 km (0.112 R)
• M26: 22,447,759 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.62 AU - 3.06 AU

Year: 3364 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,166,920 km

• M1: 104,569 km (0.116 R)
• M2: 381,923 km (0.062 R)
• M3: 904,469 km (0.105 R)
• M4: 1,209,499 km (0.065 R)
• M5: 1,511,088 km (0.106 R)
• M6: 1,839,605 km (0.118 R)
• M7: 2,215,544 km (0.116 R)
• M8: 2,508,756 km (0.101 R)
• M9: 3,243,282 km (0.099 R)
• M10: 4,581,884 km (0.118 R)
• M11: 7,289,755 km (0.11 R)
• M12: 9,511,582 km (0.108 R)
• M13: 10,027,246 km (0.084 R)
• M14: 10,292,034 km (0.058 R)
• M15: 11,811,799 km (0.103 R)
• M16: 12,192,675 km (0.106 R)
• M17: 14,411,511 km (0.093 R)
• M18: 14,895,460 km (0.047 R)
• M19: 15,895,671 km (0.086 R)
• M20: 16,360,023 km (0.048 R)
• M21: 16,886,608 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 10.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.03 AU - 3.77 AU

Year: 4407 Days

Day: 10.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 124 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,166,920 km

• M1: 126,859 km (0.073 R)
• M2: 478,863 km (0.083 R)
• M3: 938,278 km (0.09 R)
• M4: 1,271,432 km (0.12 R)
• M5: 2,216,741 km (0.104 R)
• M6: 2,943,039 km (0.107 R)
• M7: 3,267,666 km (0.094 R)
• M8: 3,676,816 km (0.058 R)
• M9: 4,186,347 km (0.087 R)
• M10: 4,622,574 km (0.1 R)
• M11: 5,917,344 km (0.084 R)
• M12: 6,378,853 km (0.026 R)
• M13: 8,046,869 km (0.103 R)
• M14: 10,476,788 km (0.109 R)
• M15: 12,314,747 km (0.052 R)
• M16: 13,554,913 km (0.066 R)
• M17: 14,981,479 km (0.117 R)
• M18: 15,840,320 km (0.111 R)
• M19: 20,568,810 km (0.08 R)
• M20: 23,859,215 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.5

Radius: 3.8

Gravity: 37.98 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.39 AU - 8.81 AU

Year: 13298 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,166,920 km

• M1: 47,273 km (0.077 R)
• M2: 320,887 km (0.102 R)
• M3: 545,284 km (0.104 R)
• M4: 960,119 km (0.088 R)
• M5: 1,227,750 km (0.105 R)
• M6: 2,433,060 km (0.113 R)
• M7: 2,662,393 km (0.063 R)
• M8: 3,045,065 km (0.11 R)
• M9: 3,286,665 km (0.12 R)
• M10: 4,031,663 km (0.046 R)
• M11: 4,382,918 km (0.039 R)
• M12: 4,722,655 km (0.083 R)
• M13: 6,032,085 km (0.047 R)
• M14: 12,134,332 km (0.106 R)
• M15: 14,079,104 km (0.089 R)
• M16: 15,159,650 km (0.07 R)
• M17: 15,578,823 km (0.113 R)
• M18: 15,791,252 km (0.098 R)
• M19: 25,962,710 km (0.08 R)
• M20: 27,171,012 km (0.074 R)
• M21: 29,916,732 km (0.113 R)
• M22: 42,472,780 km (0.086 R)
• M23: 45,144,149 km (0.057 R)
• M24: 47,925,323 km (0.081 R)
• M25: 51,598,849 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.1

Radius: 7.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.21 AU - 11.83 AU

Year: 20647 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,166,920 km

• M1: 106,214 km (0.12 R)
• M2: 420,071 km (0.048 R)
• M3: 1,070,971 km (0.096 R)
• M4: 1,388,567 km (0.085 R)
• M5: 2,093,173 km (0.034 R)
• M6: 2,736,743 km (0.089 R)
• M7: 3,336,481 km (0.115 R)
• M8: 4,825,130 km (0.088 R)
• M9: 6,011,740 km (0.079 R)
• M10: 14,634,262 km (0.101 R)
• M11: 16,728,034 km (0.102 R)
• M12: 21,084,773 km (0.054 R)
• M13: 27,596,768 km (0.118 R)
• M14: 28,193,215 km (0.086 R)
• M15: 31,412,710 km (0.091 R)
• M16: 42,132,595 km (0.034 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: 224 - 10,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit