🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 10.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 5.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,088,242 km

• M1: 133,142 km (0.077 R)
• M2: 525,089 km (0.064 R)
• M3: 882,029 km (0.108 R)
• M4: 1,259,016 km (0.084 R)
• M5: 1,600,398 km (0.094 R)
• M6: 1,976,188 km (0.106 R)
• M7: 2,561,415 km (0.088 R)
• M8: 2,900,104 km (0.035 R)
• M9: 3,625,654 km (0.079 R)
• M10: 3,985,138 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 9.4

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.58 AU - 0.94 AU

Year: 442 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,088,242 km

• M1: 118,332 km (0.063 R)
• M2: 436,676 km (0.097 R)
• M3: 768,035 km (0.104 R)
• M4: 1,116,449 km (0.109 R)
• M5: 1,599,650 km (0.102 R)
• M6: 1,964,818 km (0.111 R)
• M7: 2,263,565 km (0.1 R)
• M8: 2,695,604 km (0.075 R)
• M9: 3,348,898 km (0.099 R)
• M10: 3,805,022 km (0.073 R)
• M11: 4,145,955 km (0.111 R)
• M12: 4,612,102 km (0.109 R)
• M13: 5,444,016 km (0.12 R)
• M14: 5,967,609 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 13.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.02 AU - 2.9 AU

Year: 2573 Days

Day: 5.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,088,242 km

• M1: 164,258 km (0.084 R)
• M2: 696,528 km (0.081 R)
• M3: 1,224,907 km (0.101 R)
• M4: 1,752,389 km (0.098 R)
• M5: 2,402,841 km (0.114 R)
• M6: 2,911,773 km (0.035 R)
• M7: 3,734,860 km (0.065 R)
• M8: 4,253,666 km (0.09 R)
• M9: 5,051,770 km (0.056 R)
• M10: 6,295,976 km (0.068 R)
• M11: 7,034,541 km (0.065 R)
• M12: 8,650,646 km (0.101 R)
• M13: 9,419,580 km (0.119 R)
• M14: 9,895,151 km (0.118 R)
• M15: 10,348,134 km (0.095 R)
• M16: 11,296,135 km (0.118 R)
• M17: 14,441,281 km (0.038 R)
• M18: 15,323,160 km (0.077 R)
• M19: 15,879,515 km (0.063 R)
• M20: 16,712,925 km (0.088 R)
• M21: 19,980,142 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 8.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.36 AU - 2.82 AU

Year: 2780 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,088,242 km

• M1: 105,915 km (0.116 R)
• M2: 402,717 km (0.09 R)
• M3: 713,731 km (0.102 R)
• M4: 1,058,555 km (0.093 R)
• M5: 1,357,451 km (0.084 R)
• M6: 2,370,229 km (0.091 R)
• M7: 3,349,197 km (0.064 R)
• M8: 4,373,045 km (0.114 R)
• M9: 5,405,569 km (0.074 R)
• M10: 5,880,692 km (0.067 R)
• M11: 6,592,479 km (0.11 R)
• M12: 6,969,316 km (0.101 R)
• M13: 7,707,133 km (0.12 R)
• M14: 8,064,971 km (0.099 R)
• M15: 8,340,380 km (0.073 R)
• M16: 12,683,655 km (0.088 R)
• M17: 13,182,864 km (0.053 R)
• M18: 14,623,491 km (0.111 R)

Asteroid Belt

Center: 3.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.12 AU - 4.18 AU

Year: 4650 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,088,242 km

• M1: 182,360 km (0.062 R)
• M2: 877,840 km (0.1 R)
• M3: 1,615,059 km (0.067 R)
• M4: 2,385,787 km (0.101 R)
• M5: 2,939,748 km (0.093 R)
• M6: 4,098,234 km (0.086 R)
• M7: 4,971,436 km (0.084 R)
• M8: 5,440,276 km (0.077 R)
• M9: 7,717,455 km (0.109 R)
• M10: 8,800,544 km (0.039 R)
• M11: 12,571,457 km (0.032 R)
• M12: 15,065,104 km (0.113 R)
• M13: 15,894,624 km (0.063 R)
• M14: 18,861,748 km (0.118 R)
• M15: 19,399,852 km (0.068 R)
• M16: 21,591,311 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226

Radius: 8.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.12 AU - 6.52 AU

Year: 8183 Days

Day: 5.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,088,242 km

• M1: 114,143 km (0.114 R)
• M2: 482,902 km (0.064 R)
• M3: 943,514 km (0.109 R)
• M4: 1,232,836 km (0.113 R)
• M5: 1,523,505 km (0.072 R)
• M6: 2,435,603 km (0.086 R)
• M7: 3,048,356 km (0.09 R)
• M8: 4,832,909 km (0.096 R)
• M9: 5,259,712 km (0.078 R)
• M10: 6,757,785 km (0.093 R)
• M11: 7,890,540 km (0.076 R)
• M12: 8,407,550 km (0.106 R)
• M13: 9,185,160 km (0.059 R)
• M14: 13,493,728 km (0.075 R)
• M15: 13,807,435 km (0.115 R)
• M16: 15,908,836 km (0.115 R)
• M17: 18,214,738 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 12.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.59 AU - 5.69 AU

Year: 8932 Days

Day: 7.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,088,242 km

• M1: 153,039 km (0.11 R)
• M2: 795,561 km (0.095 R)
• M3: 2,270,596 km (0.101 R)
• M4: 3,279,185 km (0.107 R)
• M5: 3,763,583 km (0.112 R)
• M6: 4,190,386 km (0.1 R)
• M7: 7,318,777 km (0.11 R)
• M8: 7,906,995 km (0.082 R)
• M9: 9,089,417 km (0.043 R)
• M10: 9,539,108 km (0.082 R)
• M11: 10,051,032 km (0.064 R)
• M12: 10,483,370 km (0.086 R)
• M13: 11,750,015 km (0.092 R)
• M14: 14,283,455 km (0.076 R)
• M15: 15,392,125 km (0.089 R)
• M16: 16,623,615 km (0.073 R)
• M17: 17,641,479 km (0.07 R)
• M18: 18,844,694 km (0.114 R)
• M19: 25,605,022 km (0.1 R)
• M20: 28,081,316 km (0.109 R)
• M21: 32,452,266 km (0.079 R)
• M22: 35,018,019 km (0.103 R)
• M23: 38,295,110 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 7.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.57 AU - 6.81 AU

Year: 10270 Days

Day: 20.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,088,242 km

• M1: 98,435 km (0.072 R)
• M2: 505,192 km (0.087 R)
• M3: 892,202 km (0.103 R)
• M4: 1,190,051 km (0.066 R)
• M5: 2,021,666 km (0.074 R)
• M6: 2,633,371 km (0.104 R)
• M7: 3,012,303 km (0.079 R)
• M8: 3,320,026 km (0.12 R)
• M9: 5,814,271 km (0.103 R)
• M10: 6,325,896 km (0.112 R)
• M11: 6,694,804 km (0.095 R)
• M12: 7,661,655 km (0.114 R)
• M13: 8,395,582 km (0.091 R)
• M14: 11,022,371 km (0.06 R)
• M15: 13,871,014 km (0.093 R)
• M16: 15,136,462 km (0.069 R)
• M17: 26,221,814 km (0.107 R)
• M18: 28,419,855 km (0.09 R)
• M19: 29,517,156 km (0.107 R)
• M20: 29,982,704 km (0.093 R)
• M21: 33,580,982 km (0.099 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: 298 - 17,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit