🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 11.9

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.56 AU - 0.68 AU

Year: 343 Days

Day: 7.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,740,023 km

• M1: 147,952 km (0.059 R)
• M2: 527,482 km (0.104 R)
• M3: 937,679 km (0.09 R)
• M4: 1,325,886 km (0.11 R)
• M5: 1,750,893 km (0.116 R)
• M6: 2,464,625 km (0.109 R)
• M7: 3,085,306 km (0.11 R)
• M8: 3,563,122 km (0.118 R)
• M9: 4,011,916 km (0.092 R)
• M10: 4,626,015 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 13.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.74 AU - 1.1 AU

Year: 620 Days

Day: 8.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,740,023 km

• M1: 169,195 km (0.036 R)
• M2: 599,588 km (0.084 R)
• M3: 1,183,319 km (0.095 R)
• M4: 2,317,421 km (0.113 R)
• M5: 2,775,639 km (0.112 R)
• M6: 3,411,430 km (0.117 R)
• M7: 4,038,694 km (0.118 R)
• M8: 4,562,885 km (0.059 R)
• M9: 5,255,523 km (0.093 R)
• M10: 6,599,660 km (0.105 R)
• M11: 7,263,725 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.4

Radius: 10

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.95 AU - 0.99 AU

Year: 672 Days

Day: 13.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,740,023 km

• M1: 124,465 km (0.103 R)
• M2: 441,613 km (0.102 R)
• M3: 773,720 km (0.099 R)
• M4: 1,204,263 km (0.037 R)
• M5: 1,725,761 km (0.102 R)
• M6: 2,134,014 km (0.115 R)
• M7: 2,775,041 km (0.09 R)
• M8: 3,147,539 km (0.115 R)
• M9: 3,594,388 km (0.095 R)
• M10: 4,250,674 km (0.071 R)
• M11: 4,615,992 km (0.052 R)
• M12: 5,706,710 km (0.074 R)
• M13: 6,112,569 km (0.119 R)
• M14: 7,699,204 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 15

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.93 AU - 1.23 AU

Year: 789 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,740,023 km

• M1: 187,745 km (0.054 R)
• M2: 759,658 km (0.085 R)
• M3: 1,519,316 km (0.09 R)
• M4: 2,921,198 km (0.053 R)
• M5: 3,779,291 km (0.061 R)
• M6: 4,390,698 km (0.061 R)
• M7: 5,392,255 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241

Radius: 14.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.72 AU - 1.9 AU

Year: 1712 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,740,023 km

• M1: 177,872 km (0.117 R)
• M2: 697,276 km (0.112 R)
• M3: 1,249,292 km (0.115 R)
• M4: 1,893,161 km (0.116 R)
• M5: 2,348,687 km (0.085 R)
• M6: 2,891,128 km (0.083 R)
• M7: 3,444,940 km (0.073 R)
• M8: 3,989,177 km (0.035 R)
• M9: 4,590,859 km (0.113 R)
• M10: 5,526,893 km (0.104 R)
• M11: 6,364,641 km (0.086 R)
• M12: 7,118,166 km (0.114 R)
• M13: 9,221,512 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 14

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.15 AU - 2.57 AU

Year: 2548 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,740,023 km

• M1: 174,132 km (0.065 R)
• M2: 691,292 km (0.073 R)
• M3: 1,134,849 km (0.093 R)
• M4: 1,587,383 km (0.111 R)
• M5: 2,325,349 km (0.094 R)
• M6: 2,923,142 km (0.084 R)
• M7: 3,416,516 km (0.115 R)
• M8: 4,491,676 km (0.035 R)
• M9: 5,108,618 km (0.113 R)
• M10: 5,709,403 km (0.036 R)
• M11: 6,752,848 km (0.117 R)
• M12: 7,740,942 km (0.083 R)
• M13: 10,396,454 km (0.07 R)
• M14: 11,136,065 km (0.101 R)
• M15: 11,635,423 km (0.117 R)
• M16: 14,632,018 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 8.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.7 AU - 3.62 AU

Year: 3949 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,740,023 km

• M1: 106,663 km (0.086 R)
• M2: 405,111 km (0.117 R)
• M3: 737,218 km (0.105 R)
• M4: 1,244,654 km (0.111 R)
• M5: 2,112,621 km (0.093 R)
• M6: 3,370,739 km (0.084 R)
• M7: 3,701,650 km (0.088 R)
• M8: 4,408,799 km (0.111 R)
• M9: 4,979,515 km (0.103 R)
• M10: 5,248,492 km (0.105 R)
• M11: 5,550,979 km (0.08 R)
• M12: 7,045,013 km (0.12 R)
• M13: 7,885,005 km (0.057 R)
• M14: 8,757,908 km (0.12 R)
• M15: 9,590,420 km (0.117 R)
• M16: 10,079,007 km (0.039 R)
• M17: 11,841,868 km (0.092 R)
• M18: 12,900,872 km (0.104 R)
• M19: 14,021,659 km (0.117 R)
• M20: 14,424,227 km (0.082 R)
• M21: 15,159,201 km (0.111 R)
• M22: 16,554,500 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.4

Radius: 7.1

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.63 AU - 10.13 AU

Year: 18601 Days

Day: 23.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,740,023 km

• M1: 92,152 km (0.078 R)
• M2: 361,728 km (0.037 R)
• M3: 2,381,748 km (0.106 R)
• M4: 3,965,092 km (0.12 R)
• M5: 4,376,785 km (0.1 R)
• M6: 4,678,225 km (0.075 R)
• M7: 5,360,241 km (0.038 R)
• M8: 7,708,030 km (0.083 R)
• M9: 8,451,382 km (0.1 R)
• M10: 9,350,465 km (0.068 R)
• M11: 10,606,788 km (0.081 R)
• M12: 13,380,183 km (0.056 R)
• M13: 14,160,486 km (0.108 R)
• M14: 15,272,895 km (0.111 R)
• M15: 18,008,143 km (0.091 R)
• M16: 19,401,647 km (0.097 R)
• M17: 21,337,743 km (0.079 R)
• M18: 28,602,215 km (0.114 R)
• M19: 34,265,093 km (0.087 R)
• M20: 36,126,539 km (0.066 R)
• M21: 37,774,809 km (0.094 R)
• M22: 38,335,202 km (0.106 R)
• M23: 39,904,783 km (0.059 R)
• M24: 45,026,715 km (0.116 R)
• M25: 70,528,215 km (0.053 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit