🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 12.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.46 AU - 0.58 AU

Year: 264 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,055,723 km

• M1: 160,519 km (0.117 R)
• M2: 580,440 km (0.119 R)
• M3: 986,149 km (0.113 R)
• M4: 1,495,979 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 12.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.82 AU - 0.88 AU

Year: 551 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,055,723 km

• M1: 151,692 km (0.109 R)
• M2: 709,842 km (0.098 R)
• M3: 1,174,792 km (0.077 R)
• M4: 1,671,158 km (0.076 R)
• M5: 2,057,719 km (0.11 R)
• M6: 2,444,130 km (0.103 R)
• M7: 2,958,896 km (0.114 R)
• M8: 3,545,619 km (0.101 R)
• M9: 4,432,435 km (0.026 R)
• M10: 6,232,397 km (0.06 R)
• M11: 6,867,141 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 13.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.9 AU - 1.28 AU

Year: 800 Days

Day: 8.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,055,723 km

• M1: 164,258 km (0.081 R)
• M2: 666,159 km (0.105 R)
• M3: 1,291,329 km (0.075 R)
• M4: 3,258,990 km (0.104 R)
• M5: 3,710,177 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 10.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.45 AU - 1.53 AU

Year: 1278 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,055,723 km

• M1: 135,536 km (0.082 R)
• M2: 484,847 km (0.059 R)
• M3: 908,807 km (0.11 R)
• M4: 1,251,087 km (0.036 R)
• M5: 1,959,732 km (0.087 R)
• M6: 2,610,632 km (0.096 R)
• M7: 3,128,989 km (0.099 R)
• M8: 3,542,328 km (0.107 R)
• M9: 5,504,005 km (0.065 R)
• M10: 6,282,213 km (0.106 R)
• M11: 6,964,678 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 12.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.6 AU - 2.3 AU

Year: 1914 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,055,723 km

• M1: 156,629 km (0.113 R)
• M2: 563,685 km (0.095 R)
• M3: 1,089,671 km (0.035 R)
• M4: 1,536,221 km (0.064 R)
• M5: 1,951,355 km (0.087 R)
• M6: 2,745,570 km (0.112 R)
• M7: 4,707,695 km (0.06 R)
• M8: 5,852,119 km (0.053 R)
• M9: 6,452,755 km (0.049 R)
• M10: 7,526,568 km (0.105 R)
• M11: 9,728,499 km (0.104 R)
• M12: 10,297,420 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 11.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.54 AU - 2.46 AU

Year: 1988 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,055,723 km

• M1: 140,921 km (0.101 R)
• M2: 560,693 km (0.032 R)
• M3: 949,498 km (0.052 R)
• M4: 1,357,900 km (0.086 R)
• M5: 2,950,070 km (0.109 R)
• M6: 4,851,010 km (0.078 R)
• M7: 5,519,264 km (0.076 R)
• M8: 6,635,713 km (0.116 R)
• M9: 7,136,866 km (0.096 R)
• M10: 7,923,002 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 12.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.63 AU - 2.67 AU

Year: 3032 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,055,723 km

• M1: 157,078 km (0.059 R)
• M2: 651,200 km (0.117 R)
• M3: 1,044,941 km (0.041 R)
• M4: 1,718,132 km (0.078 R)
• M5: 2,121,447 km (0.089 R)
• M6: 4,166,301 km (0.116 R)
• M7: 4,846,821 km (0.096 R)
• M8: 5,913,903 km (0.112 R)
• M9: 6,310,637 km (0.047 R)
• M10: 6,774,988 km (0.061 R)
• M11: 7,314,887 km (0.112 R)
• M12: 8,107,457 km (0.049 R)
• M13: 10,831,933 km (0.098 R)
• M14: 13,388,710 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.8

Radius: 11.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.08 AU - 3.36 AU

Year: 4062 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,055,723 km

• M1: 148,999 km (0.101 R)
• M2: 560,094 km (0.082 R)
• M3: 967,449 km (0.087 R)
• M4: 1,443,919 km (0.116 R)
• M5: 2,475,396 km (0.061 R)
• M6: 2,858,666 km (0.119 R)
• M7: 3,524,526 km (0.081 R)
• M8: 4,435,577 km (0.065 R)
• M9: 5,146,167 km (0.078 R)
• M10: 5,603,637 km (0.051 R)
• M11: 7,819,032 km (0.112 R)
• M12: 9,484,954 km (0.034 R)
• M13: 9,920,284 km (0.119 R)
• M14: 10,830,886 km (0.088 R)
• M15: 11,445,284 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.3

Radius: 6.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.65 AU - 7.39 AU

Year: 11703 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,055,723 km

• M1: 76,893 km (0.091 R)
• M2: 367,263 km (0.074 R)
• M3: 601,683 km (0.054 R)
• M4: 930,200 km (0.078 R)
• M5: 1,451,847 km (0.074 R)
• M6: 1,914,853 km (0.119 R)
• M7: 4,245,288 km (0.026 R)
• M8: 5,058,502 km (0.104 R)
• M9: 5,315,063 km (0.091 R)
• M10: 5,557,860 km (0.032 R)
• M11: 6,730,707 km (0.06 R)
• M12: 9,684,966 km (0.089 R)
• M13: 10,976,744 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.1

Radius: 6.6

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.94 AU - 11.12 AU

Year: 22329 Days

Day: 21.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,055,723 km

• M1: 86,168 km (0.084 R)
• M2: 325,824 km (0.114 R)
• M3: 556,354 km (0.105 R)
• M4: 1,423,873 km (0.093 R)
• M5: 5,394,798 km (0.064 R)
• M6: 6,007,102 km (0.11 R)
• M7: 6,574,527 km (0.112 R)
• M8: 6,848,142 km (0.089 R)
• M9: 8,123,015 km (0.067 R)
• M10: 8,438,367 km (0.049 R)
• M11: 9,205,804 km (0.116 R)
• M12: 12,191,628 km (0.029 R)
• M13: 14,892,618 km (0.108 R)
• M14: 17,616,795 km (0.107 R)
• M15: 21,145,061 km (0.113 R)
• M16: 26,240,065 km (0.114 R)
• M17: 27,986,022 km (0.112 R)
• M18: 28,948,086 km (0.106 R)
• M19: 34,091,560 km (0.11 R)
• M20: 35,050,183 km (0.108 R)
• M21: 38,179,920 km (0.12 R)
• M22: 43,375,304 km (0.098 R)
• M23: 46,141,369 km (0.096 R)
• M24: 48,849,988 km (0.114 R)
• M25: 53,474,656 km (0.119 R)
• M26: 61,749,363 km (0.118 R)
• M27: 62,763,637 km (0.07 R)
• M28: 65,033,934 km (0.089 R)
• M29: 71,502,995 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit