🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.6

Radius: 8.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.94 AU

Year: 452 Days

Day: 10.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,008,073 km

• M1: 110,702 km (0.062 R)
• M2: 387,458 km (0.096 R)
• M3: 813,064 km (0.092 R)
• M4: 1,275,771 km (0.118 R)
• M5: 1,585,737 km (0.099 R)
• M6: 2,202,380 km (0.061 R)
• M7: 3,177,010 km (0.083 R)
• M8: 3,656,022 km (0.093 R)
• M9: 4,062,779 km (0.101 R)
• M10: 4,443,206 km (0.032 R)
• M11: 5,244,453 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 10

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.91 AU - 1.15 AU

Year: 686 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,008,073 km

• M1: 124,615 km (0.078 R)
• M2: 476,320 km (0.077 R)
• M3: 846,574 km (0.047 R)
• M4: 1,498,372 km (0.107 R)
• M5: 1,953,299 km (0.095 R)
• M6: 2,326,097 km (0.096 R)
• M7: 2,691,116 km (0.084 R)
• M8: 3,604,860 km (0.115 R)
• M9: 3,994,862 km (0.071 R)
• M10: 4,648,903 km (0.104 R)
• M11: 5,215,281 km (0.034 R)
• M12: 5,697,136 km (0.055 R)
• M13: 7,065,059 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 11.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.39 AU - 1.45 AU

Year: 1110 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,008,073 km

• M1: 144,362 km (0.083 R)
• M2: 509,979 km (0.072 R)
• M3: 932,144 km (0.047 R)
• M4: 1,485,956 km (0.081 R)
• M5: 1,986,809 km (0.111 R)
• M6: 2,367,536 km (0.109 R)
• M7: 3,266,170 km (0.118 R)
• M8: 3,655,424 km (0.084 R)
• M9: 5,729,748 km (0.027 R)
• M10: 6,511,846 km (0.115 R)
• M11: 8,112,543 km (0.04 R)
• M12: 8,622,223 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 12.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.48 AU - 3.1 AU

Year: 3057 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,008,073 km

• M1: 154,235 km (0.107 R)
• M2: 832,063 km (0.093 R)
• M3: 1,253,630 km (0.052 R)
• M4: 1,713,644 km (0.077 R)
• M5: 2,132,368 km (0.101 R)
• M6: 2,934,063 km (0.048 R)
• M7: 3,580,475 km (0.086 R)
• M8: 4,033,907 km (0.096 R)
• M9: 5,933,500 km (0.064 R)
• M10: 6,662,491 km (0.086 R)
• M11: 7,287,810 km (0.059 R)
• M12: 10,028,443 km (0.118 R)
• M13: 10,935,604 km (0.108 R)
• M14: 11,452,914 km (0.088 R)
• M15: 12,259,695 km (0.108 R)
• M16: 14,238,725 km (0.07 R)
• M17: 15,013,343 km (0.099 R)
• M18: 16,422,555 km (0.096 R)
• M19: 17,101,879 km (0.098 R)
• M20: 17,565,034 km (0.107 R)
• M21: 18,943,728 km (0.095 R)
• M22: 19,502,476 km (0.111 R)
• M23: 22,600,648 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 8.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.35 AU - 3.29 AU

Year: 3107 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,008,073 km

• M1: 109,805 km (0.093 R)
• M2: 385,215 km (0.098 R)
• M3: 855,700 km (0.034 R)
• M4: 1,261,858 km (0.104 R)
• M5: 1,556,715 km (0.1 R)
• M6: 2,702,785 km (0.062 R)
• M7: 3,607,104 km (0.027 R)
• M8: 4,970,988 km (0.097 R)
• M9: 5,819,956 km (0.062 R)
• M10: 6,705,874 km (0.045 R)
• M11: 7,679,158 km (0.096 R)
• M12: 8,576,446 km (0.074 R)
• M13: 10,013,932 km (0.068 R)
• M14: 11,728,473 km (0.12 R)
• M15: 12,655,381 km (0.074 R)
• M16: 13,766,894 km (0.119 R)
• M17: 14,323,099 km (0.101 R)
• M18: 15,087,693 km (0.053 R)
• M19: 15,430,721 km (0.108 R)
• M20: 18,869,079 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.2

Radius: 14.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.22 AU - 3.5 AU

Year: 3173 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,008,073 km

• M1: 181,612 km (0.051 R)
• M2: 641,625 km (0.029 R)
• M3: 1,138,440 km (0.109 R)
• M4: 2,774,293 km (0.109 R)
• M5: 3,294,444 km (0.092 R)
• M6: 3,896,875 km (0.04 R)
• M7: 4,728,639 km (0.116 R)
• M8: 6,089,232 km (0.051 R)
• M9: 8,233,867 km (0.064 R)
• M10: 8,735,169 km (0.118 R)
• M11: 11,124,546 km (0.066 R)
• M12: 12,109,798 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 8.9

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.26 AU - 5.54 AU

Year: 7115 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 136.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,008,073 km

• M1: 110,702 km (0.09 R)
• M2: 718,519 km (0.106 R)
• M3: 1,119,441 km (0.107 R)
• M4: 1,458,280 km (0.104 R)
• M5: 2,113,070 km (0.098 R)
• M6: 2,435,902 km (0.087 R)
• M7: 2,713,855 km (0.119 R)
• M8: 3,401,556 km (0.083 R)
• M9: 4,279,397 km (0.03 R)
• M10: 5,002,104 km (0.109 R)
• M11: 5,331,369 km (0.094 R)
• M12: 7,089,144 km (0.109 R)
• M13: 9,202,812 km (0.03 R)
• M14: 10,792,888 km (0.084 R)
• M15: 12,722,850 km (0.099 R)
• M16: 13,452,439 km (0.103 R)
• M17: 13,856,802 km (0.111 R)
• M18: 14,448,312 km (0.111 R)
• M19: 15,745,325 km (0.107 R)
• M20: 18,855,016 km (0.099 R)
• M21: 19,288,551 km (0.067 R)
• M22: 22,512,834 km (0.036 R)
• M23: 23,830,342 km (0.106 R)
• M24: 24,593,591 km (0.1 R)
• M25: 25,636,438 km (0.052 R)
• M26: 28,466,829 km (0.12 R)
• M27: 29,519,400 km (0.095 R)
• M28: 32,418,307 km (0.081 R)
• M29: 34,740,066 km (0.052 R)
• M30: 35,721,129 km (0.063 R)
• M31: 36,496,944 km (0.043 R)
• M32: 38,775,170 km (0.035 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 18,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit