🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.6

Radius: 13.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.43 AU - 0.63 AU

Year: 266 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,931,708 km

• M1: 165,455 km (0.051 R)
• M2: 604,824 km (0.082 R)
• M3: 1,086,679 km (0.085 R)
• M4: 1,615,507 km (0.08 R)
• M5: 2,143,289 km (0.072 R)
• M6: 2,956,204 km (0.028 R)
• M7: 3,777,795 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 10.4

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 289 Days

Day: 7.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,931,708 km

• M1: 134,788 km (0.038 R)
• M2: 460,013 km (0.085 R)
• M3: 796,010 km (0.082 R)
• M4: 1,156,242 km (0.117 R)
• M5: 1,499,868 km (0.078 R)
• M6: 1,832,873 km (0.103 R)
• M7: 2,515,488 km (0.12 R)
• M8: 3,011,704 km (0.09 R)
• M9: 3,381,809 km (0.102 R)
• M10: 3,853,940 km (0.094 R)
• M11: 4,720,262 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 10.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.19 AU - 1.93 AU

Year: 1345 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,931,708 km

• M1: 126,859 km (0.075 R)
• M2: 864,077 km (0.092 R)
• M3: 1,215,782 km (0.093 R)
• M4: 1,566,589 km (0.081 R)
• M5: 2,120,251 km (0.119 R)
• M6: 2,468,963 km (0.103 R)
• M7: 3,308,806 km (0.11 R)
• M8: 3,645,850 km (0.099 R)
• M9: 5,654,351 km (0.117 R)
• M10: 6,650,074 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.09 AU - 2.25 AU

Year: 2206 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,931,708 km

• M1: 99,632 km (0.09 R)
• M2: 547,528 km (0.116 R)
• M3: 877,242 km (0.076 R)
• M4: 1,237,773 km (0.101 R)
• M5: 1,667,119 km (0.1 R)
• M6: 2,238,283 km (0.056 R)
• M7: 2,576,075 km (0.102 R)
• M8: 3,635,827 km (0.081 R)
• M9: 5,081,391 km (0.101 R)
• M10: 6,067,989 km (0.115 R)
• M11: 6,703,630 km (0.115 R)
• M12: 7,253,702 km (0.076 R)
• M13: 7,914,924 km (0.114 R)
• M14: 8,246,283 km (0.08 R)
• M15: 8,702,407 km (0.119 R)
• M16: 9,205,505 km (0.119 R)
• M17: 11,659,209 km (0.088 R)
• M18: 12,270,616 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.9

Radius: 14.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.93 AU - 3.03 AU

Year: 2696 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,931,708 km

• M1: 178,470 km (0.06 R)
• M2: 768,933 km (0.113 R)
• M3: 1,575,565 km (0.092 R)
• M4: 2,408,975 km (0.076 R)
• M5: 2,935,858 km (0.105 R)
• M6: 3,708,082 km (0.106 R)
• M7: 4,437,821 km (0.106 R)
• M8: 5,117,594 km (0.048 R)
• M9: 7,154,817 km (0.107 R)
• M10: 8,969,739 km (0.107 R)
• M11: 9,467,900 km (0.095 R)
• M12: 10,326,591 km (0.069 R)
• M13: 13,583,786 km (0.117 R)
• M14: 14,676,748 km (0.105 R)
• M15: 16,033,601 km (0.083 R)
• M16: 16,503,936 km (0.106 R)
• M17: 18,139,041 km (0.104 R)
• M18: 19,582,212 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.9

Radius: 12.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.13 AU - 3.27 AU

Year: 3062 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,931,708 km

• M1: 159,621 km (0.11 R)
• M2: 638,484 km (0.077 R)
• M3: 1,677,142 km (0.114 R)
• M4: 3,417,863 km (0.064 R)
• M5: 5,434,292 km (0.107 R)
• M6: 6,685,529 km (0.108 R)
• M7: 8,093,993 km (0.116 R)
• M8: 10,708,066 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 9.4

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.2 AU - 3.9 AU

Year: 4617 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 64.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,931,708 km

• M1: 116,986 km (0.104 R)
• M2: 411,245 km (0.036 R)
• M3: 857,794 km (0.069 R)
• M4: 1,327,083 km (0.101 R)
• M5: 2,308,594 km (0.107 R)
• M6: 3,227,424 km (0.118 R)
• M7: 3,626,252 km (0.084 R)
• M8: 4,081,479 km (0.104 R)
• M9: 4,782,494 km (0.073 R)
• M10: 5,217,974 km (0.098 R)
• M11: 5,650,012 km (0.076 R)
• M12: 6,651,869 km (0.11 R)
• M13: 7,265,221 km (0.113 R)
• M14: 7,694,716 km (0.068 R)
• M15: 9,627,072 km (0.094 R)
• M16: 10,058,063 km (0.076 R)
• M17: 12,764,738 km (0.035 R)
• M18: 14,147,171 km (0.114 R)
• M19: 15,218,741 km (0.09 R)
• M20: 20,824,921 km (0.115 R)
• M21: 22,135,399 km (0.072 R)
• M22: 22,584,192 km (0.109 R)
• M23: 23,577,522 km (0.102 R)
• M24: 25,815,506 km (0.075 R)
• M25: 26,312,919 km (0.111 R)
• M26: 28,366,599 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 9.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.63 AU - 5.19 AU

Year: 6392 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,931,708 km

• M1: 119,379 km (0.113 R)
• M2: 534,513 km (0.094 R)
• M3: 875,896 km (0.049 R)
• M4: 1,345,334 km (0.085 R)
• M5: 2,102,149 km (0.095 R)
• M6: 2,415,706 km (0.081 R)
• M7: 3,369,692 km (0.086 R)
• M8: 3,675,021 km (0.114 R)
• M9: 4,156,427 km (0.116 R)
• M10: 4,854,750 km (0.057 R)
• M11: 5,435,190 km (0.108 R)
• M12: 5,799,610 km (0.086 R)
• M13: 6,300,614 km (0.105 R)
• M14: 7,559,480 km (0.062 R)
• M15: 8,711,682 km (0.092 R)
• M16: 9,935,692 km (0.084 R)
• M17: 12,673,034 km (0.032 R)
• M18: 13,016,361 km (0.051 R)
• M19: 17,393,595 km (0.087 R)
• M20: 17,940,375 km (0.111 R)
• M21: 19,004,465 km (0.072 R)
• M22: 23,170,017 km (0.081 R)
• M23: 26,288,684 km (0.057 R)
• M24: 26,928,215 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.6

Radius: 6.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.55 AU - 6.95 AU

Year: 12105 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,931,708 km

• M1: 84,972 km (0.084 R)
• M2: 299,345 km (0.079 R)
• M3: 555,906 km (0.118 R)
• M4: 1,063,042 km (0.101 R)
• M5: 1,297,462 km (0.034 R)
• M6: 1,681,779 km (0.112 R)
• M7: 2,751,254 km (0.095 R)
• M8: 3,199,150 km (0.093 R)
• M9: 8,297,895 km (0.118 R)
• M10: 8,574,800 km (0.117 R)
• M11: 12,091,098 km (0.085 R)
• M12: 12,447,141 km (0.066 R)
• M13: 13,394,993 km (0.067 R)
• M14: 14,790,143 km (0.096 R)
• M15: 17,347,668 km (0.103 R)
• M16: 18,663,232 km (0.101 R)
• M17: 21,789,229 km (0.072 R)
• M18: 24,030,205 km (0.098 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: 529 - 15,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit