🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 9.9

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.7 AU - 0.76 AU

Year: 397 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,579,942 km

• M1: 123,269 km (0.051 R)
• M2: 686,953 km (0.096 R)
• M3: 1,157,588 km (0.086 R)
• M4: 1,570,778 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 14.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.12 AU

Year: 724 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,579,942 km

• M1: 185,352 km (0.113 R)
• M2: 680,820 km (0.085 R)
• M3: 1,206,806 km (0.104 R)
• M4: 1,812,677 km (0.102 R)
• M5: 2,307,697 km (0.051 R)
• M6: 2,826,652 km (0.047 R)
• M7: 4,357,038 km (0.044 R)
• M8: 6,871,629 km (0.104 R)
• M9: 7,534,198 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 10.7

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.22 AU - 1.24 AU

Year: 867 Days

Day: 11.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,579,942 km

• M1: 132,993 km (0.068 R)
• M2: 666,309 km (0.076 R)
• M3: 1,553,424 km (0.1 R)
• M4: 2,050,388 km (0.068 R)
• M5: 2,816,180 km (0.09 R)
• M6: 3,407,690 km (0.069 R)
• M7: 3,777,496 km (0.069 R)
• M8: 4,158,372 km (0.096 R)
• M9: 5,534,822 km (0.084 R)
• M10: 6,679,994 km (0.117 R)
• M11: 7,216,601 km (0.091 R)
• M12: 8,050,609 km (0.116 R)
• M13: 8,606,964 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.3

Radius: 10.1

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.87 AU - 2.45 AU

Year: 2018 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,579,942 km

• M1: 125,961 km (0.114 R)
• M2: 470,635 km (0.06 R)
• M3: 847,771 km (0.11 R)
• M4: 1,320,800 km (0.092 R)
• M5: 1,704,668 km (0.109 R)
• M6: 2,112,172 km (0.045 R)
• M7: 2,716,997 km (0.078 R)
• M8: 3,192,867 km (0.051 R)
• M9: 3,576,586 km (0.107 R)
• M10: 3,932,629 km (0.053 R)
• M11: 4,353,747 km (0.04 R)
• M12: 4,939,422 km (0.101 R)
• M13: 5,286,938 km (0.119 R)
• M14: 5,700,726 km (0.039 R)
• M15: 6,109,727 km (0.114 R)
• M16: 7,977,007 km (0.074 R)
• M17: 8,456,917 km (0.102 R)
• M18: 10,013,184 km (0.111 R)
• M19: 11,112,279 km (0.105 R)
• M20: 12,122,663 km (0.114 R)
• M21: 12,586,267 km (0.09 R)
• M22: 13,504,050 km (0.077 R)
• M23: 14,512,789 km (0.068 R)
• M24: 15,768,663 km (0.115 R)
• M25: 16,270,564 km (0.112 R)
• M26: 16,679,714 km (0.111 R)
• M27: 17,625,472 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 11.1

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.38 AU - 4.42 AU

Year: 4897 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,579,942 km

• M1: 138,079 km (0.059 R)
• M2: 517,758 km (0.11 R)
• M3: 897,587 km (0.075 R)
• M4: 1,315,564 km (0.106 R)
• M5: 1,742,965 km (0.104 R)
• M6: 2,185,026 km (0.025 R)
• M7: 3,487,575 km (0.108 R)
• M8: 5,222,312 km (0.116 R)
• M9: 7,011,951 km (0.106 R)
• M10: 9,643,378 km (0.044 R)
• M11: 10,079,456 km (0.031 R)
• M12: 10,897,307 km (0.086 R)
• M13: 12,925,256 km (0.096 R)
• M14: 13,295,212 km (0.041 R)
• M15: 14,560,510 km (0.111 R)
• M16: 15,251,802 km (0.081 R)
• M17: 16,762,142 km (0.095 R)
• M18: 18,105,830 km (0.064 R)
• M19: 18,703,324 km (0.118 R)
• M20: 26,338,949 km (0.085 R)
• M21: 28,063,962 km (0.087 R)
• M22: 28,685,242 km (0.052 R)
• M23: 30,047,181 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.5

Radius: 6.4

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.86 AU - 9.64 AU

Year: 13718 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,579,942 km

• M1: 79,736 km (0.071 R)
• M2: 283,039 km (0.058 R)
• M3: 1,189,153 km (0.066 R)
• M4: 1,897,948 km (0.107 R)
• M5: 2,142,092 km (0.106 R)
• M6: 2,344,199 km (0.114 R)
• M7: 4,519,052 km (0.096 R)
• M8: 5,097,398 km (0.116 R)
• M9: 6,075,768 km (0.07 R)
• M10: 6,996,842 km (0.116 R)
• M11: 7,722,691 km (0.088 R)
• M12: 10,602,749 km (0.109 R)
• M13: 11,497,344 km (0.091 R)
• M14: 13,779,161 km (0.111 R)
• M15: 14,626,333 km (0.064 R)
• M16: 19,827,253 km (0.069 R)
• M17: 21,646,213 km (0.09 R)
• M18: 24,072,691 km (0.064 R)
• M19: 24,477,054 km (0.086 R)
• M20: 27,435,501 km (0.102 R)
• M21: 27,987,817 km (0.086 R)
• M22: 29,458,364 km (0.105 R)
• M23: 31,578,465 km (0.099 R)
• M24: 31,820,215 km (0.119 R)
• M25: 35,464,718 km (0.104 R)
• M26: 38,960,372 km (0.059 R)
• M27: 45,850,102 km (0.093 R)
• M28: 47,889,869 km (0.069 R)
• M29: 54,544,431 km (0.114 R)
• M30: 58,272,859 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.7

Radius: 3.3

Gravity: 53.05 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.3 AU - 9.94 AU

Year: 14712 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,579,942 km

• M1: 53,706 km (0.079 R)
• M2: 753,225 km (0.113 R)
• M3: 1,258,417 km (0.033 R)
• M4: 2,125,636 km (0.098 R)
• M5: 2,341,805 km (0.074 R)
• M6: 2,841,013 km (0.083 R)
• M7: 3,329,899 km (0.108 R)
• M8: 3,594,238 km (0.069 R)
• M9: 4,194,874 km (0.082 R)
• M10: 5,555,167 km (0.057 R)
• M11: 6,844,103 km (0.076 R)
• M12: 7,055,335 km (0.065 R)
• M13: 13,857,849 km (0.119 R)
• M14: 22,348,875 km (0.107 R)
• M15: 23,001,421 km (0.12 R)
• M16: 24,246,524 km (0.104 R)
• M17: 24,935,272 km (0.092 R)
• M18: 40,893,176 km (0.106 R)
• M19: 41,588,058 km (0.106 R)
• M20: 53,138,061 km (0.1 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: 449 - 12,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit