🌌 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: 656.4

Radius: 12.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 11.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,816,626 km

• M1: 153,039 km (0.105 R)
• M2: 861,684 km (0.119 R)
• M3: 1,286,093 km (0.102 R)
• M4: 1,819,559 km (0.083 R)
• M5: 2,704,430 km (0.082 R)
• M6: 3,092,487 km (0.086 R)
• M7: 3,914,079 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 11.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.55 AU - 0.67 AU

Year: 318 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,816,626 km

• M1: 140,024 km (0.089 R)
• M2: 581,936 km (0.081 R)
• M3: 1,061,546 km (0.075 R)
• M4: 1,607,130 km (0.084 R)
• M5: 2,013,587 km (0.083 R)
• M6: 2,376,362 km (0.079 R)
• M7: 2,938,551 km (0.106 R)
• M8: 3,300,129 km (0.095 R)
• M9: 3,929,188 km (0.117 R)
• M10: 4,568,719 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 9.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.86 AU - 1.4 AU

Year: 801 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,816,626 km

• M1: 153,637 km (0.119 R)
• M2: 456,573 km (0.09 R)
• M3: 749,635 km (0.048 R)
• M4: 1,210,995 km (0.119 R)
• M5: 1,791,435 km (0.069 R)
• M6: 2,217,639 km (0.095 R)
• M7: 3,927,842 km (0.089 R)
• M8: 4,310,962 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.6

Radius: 14.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.78 AU - 2.02 AU

Year: 1746 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,816,626 km

• M1: 178,171 km (0.081 R)
• M2: 665,411 km (0.115 R)
• M3: 1,801,308 km (0.061 R)
• M4: 2,567,399 km (0.119 R)
• M5: 3,389,738 km (0.109 R)
• M6: 4,268,177 km (0.092 R)
• M7: 5,755,628 km (0.083 R)
• M8: 8,589,162 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 11.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.14 AU - 2.28 AU

Year: 2191 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,816,626 km

• M1: 143,016 km (0.099 R)
• M2: 557,252 km (0.117 R)
• M3: 956,678 km (0.088 R)
• M4: 1,327,980 km (0.105 R)
• M5: 1,992,793 km (0.083 R)
• M6: 2,414,659 km (0.118 R)
• M7: 3,123,903 km (0.082 R)
• M8: 3,864,861 km (0.11 R)
• M9: 4,489,881 km (0.053 R)
• M10: 6,361,949 km (0.052 R)
• M11: 6,952,262 km (0.088 R)
• M12: 7,659,710 km (0.114 R)
• M13: 9,341,789 km (0.118 R)
• M14: 9,846,233 km (0.065 R)
• M15: 10,335,717 km (0.079 R)
• M16: 11,328,000 km (0.081 R)
• M17: 13,069,618 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.7

Radius: 9.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.64 AU - 3.68 AU

Year: 3746 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,816,626 km

• M1: 119,977 km (0.071 R)
• M2: 533,616 km (0.108 R)
• M3: 920,326 km (0.096 R)
• M4: 1,325,886 km (0.085 R)
• M5: 1,946,268 km (0.101 R)
• M6: 3,653,629 km (0.068 R)
• M7: 4,062,929 km (0.096 R)
• M8: 4,744,646 km (0.093 R)
• M9: 5,343,187 km (0.108 R)
• M10: 6,284,607 km (0.058 R)
• M11: 10,492,795 km (0.07 R)
• M12: 11,848,151 km (0.097 R)
• M13: 14,725,367 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 10.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.73 AU - 4.11 AU

Year: 4218 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,816,626 km

• M1: 130,599 km (0.104 R)
• M2: 475,272 km (0.059 R)
• M3: 823,985 km (0.115 R)
• M4: 1,402,031 km (0.097 R)
• M5: 1,926,671 km (0.095 R)
• M6: 2,336,569 km (0.1 R)
• M7: 2,804,511 km (0.114 R)
• M8: 3,390,785 km (0.102 R)
• M9: 4,548,374 km (0.053 R)
• M10: 5,623,534 km (0.105 R)
• M11: 7,926,144 km (0.098 R)
• M12: 8,877,437 km (0.081 R)
• M13: 10,302,656 km (0.094 R)
• M14: 12,280,340 km (0.086 R)
• M15: 13,166,707 km (0.105 R)
• M16: 15,919,009 km (0.104 R)
• M17: 16,634,984 km (0.117 R)
• M18: 17,429,798 km (0.076 R)
• M19: 21,788,331 km (0.063 R)
• M20: 22,328,529 km (0.114 R)
• M21: 22,739,624 km (0.118 R)
• M22: 23,086,093 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 11

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.96 AU - 4.56 AU

Year: 5863 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 26,816,626 km

• M1: 136,732 km (0.069 R)
• M2: 537,954 km (0.08 R)
• M3: 976,724 km (0.101 R)
• M4: 1,833,322 km (0.054 R)
• M5: 2,345,545 km (0.095 R)
• M6: 3,895,379 km (0.054 R)
• M7: 5,058,203 km (0.103 R)
• M8: 5,412,451 km (0.101 R)
• M9: 6,337,714 km (0.09 R)
• M10: 8,378,079 km (0.066 R)
• M11: 8,749,531 km (0.114 R)
• M12: 9,794,173 km (0.115 R)
• M13: 10,393,761 km (0.113 R)
• M14: 10,774,787 km (0.106 R)
• M15: 11,463,984 km (0.093 R)
• M16: 11,819,578 km (0.062 R)
• M17: 14,518,773 km (0.078 R)
• M18: 17,942,170 km (0.09 R)
• M19: 20,206,633 km (0.098 R)
• M20: 22,575,964 km (0.086 R)
• M21: 24,701,301 km (0.111 R)
• M22: 25,725,897 km (0.074 R)
• M23: 26,073,712 km (0.054 R)
• M24: 26,512,782 km (0.1 R)
• M25: 29,725,994 km (0.11 R)
• M26: 30,592,465 km (0.098 R)
• M27: 31,973,553 km (0.108 R)
• M28: 32,476,800 km (0.108 R)
• M29: 33,292,857 km (0.112 R)
• M30: 34,437,280 km (0.106 R)
• M31: 35,393,061 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 8.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.41 AU - 5.49 AU

Year: 6260 Days

Day: 5.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,816,626 km

• M1: 108,309 km (0.097 R)
• M2: 556,354 km (0.097 R)
• M3: 873,502 km (0.118 R)
• M4: 1,428,360 km (0.119 R)
• M5: 2,129,675 km (0.065 R)
• M6: 2,759,034 km (0.095 R)
• M7: 3,406,792 km (0.105 R)
• M8: 4,624,968 km (0.069 R)
• M9: 5,054,463 km (0.029 R)
• M10: 6,260,372 km (0.064 R)
• M11: 7,109,639 km (0.063 R)
• M12: 8,958,668 km (0.069 R)
• M13: 14,673,307 km (0.099 R)
• M14: 16,452,624 km (0.1 R)
• M15: 18,873,417 km (0.083 R)
• M16: 20,702,999 km (0.114 R)
• M17: 25,169,094 km (0.078 R)
• M18: 26,816,615 km (0.06 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 20,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit