🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 12.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.66 AU - 1.06 AU

Year: 541 Days

Day: 7.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,331,225 km

• M1: 157,078 km (0.117 R)
• M2: 686,953 km (0.09 R)
• M3: 1,337,854 km (0.091 R)
• M4: 2,074,474 km (0.116 R)
• M5: 2,492,151 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 8.1

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.74 AU - 1.08 AU

Year: 589 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,331,225 km

• M1: 100,679 km (0.114 R)
• M2: 406,158 km (0.094 R)
• M3: 706,401 km (0.055 R)
• M4: 1,507,348 km (0.092 R)
• M5: 1,858,155 km (0.075 R)
• M6: 2,451,012 km (0.105 R)
• M7: 2,836,675 km (0.076 R)
• M8: 3,127,792 km (0.113 R)
• M9: 3,569,256 km (0.098 R)
• M10: 4,561,239 km (0.108 R)
• M11: 4,913,093 km (0.117 R)
• M12: 5,780,911 km (0.063 R)
• M13: 6,193,651 km (0.112 R)
• M14: 6,446,621 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 8

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.88 AU - 0.98 AU

Year: 608 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,331,225 km

• M1: 99,632 km (0.076 R)
• M2: 392,994 km (0.041 R)
• M3: 643,271 km (0.112 R)
• M4: 1,166,415 km (0.092 R)
• M5: 2,068,191 km (0.052 R)
• M6: 2,576,973 km (0.103 R)
• M7: 3,005,122 km (0.106 R)
• M8: 3,813,998 km (0.1 R)
• M9: 4,230,777 km (0.04 R)
• M10: 4,482,251 km (0.069 R)
• M11: 5,015,717 km (0.075 R)
• M12: 5,352,013 km (0.068 R)
• M13: 6,431,661 km (0.111 R)
• M14: 6,680,742 km (0.113 R)
• M15: 7,220,491 km (0.107 R)
• M16: 7,489,767 km (0.029 R)
• M17: 7,859,274 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.05 AU - 1.23 AU

Year: 826 Days

Day: 6.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,331,225 km

• M1: 166,652 km (0.111 R)
• M2: 702,362 km (0.096 R)
• M3: 1,146,817 km (0.097 R)
• M4: 1,636,750 km (0.069 R)
• M5: 2,078,662 km (0.073 R)
• M6: 2,858,666 km (0.091 R)
• M7: 3,694,469 km (0.088 R)
• M8: 4,131,145 km (0.06 R)
• M9: 4,842,932 km (0.084 R)
• M10: 5,481,416 km (0.109 R)
• M11: 6,072,926 km (0.083 R)
• M12: 6,576,472 km (0.109 R)
• M13: 7,085,254 km (0.035 R)
• M14: 8,824,030 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.73 AU

Year: 1160 Days

Day: 13.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,331,225 km

• M1: 99,483 km (0.056 R)
• M2: 499,956 km (0.07 R)
• M3: 794,963 km (0.052 R)
• M4: 1,104,930 km (0.105 R)
• M5: 1,544,299 km (0.071 R)
• M6: 2,313,082 km (0.102 R)
• M7: 2,698,895 km (0.098 R)
• M8: 3,702,547 km (0.105 R)
• M9: 4,657,580 km (0.061 R)
• M10: 5,274,821 km (0.118 R)
• M11: 5,981,222 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 8.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.63 AU - 2.15 AU

Year: 1762 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,331,225 km

• M1: 109,506 km (0.118 R)
• M2: 385,813 km (0.064 R)
• M3: 766,240 km (0.101 R)
• M4: 1,156,092 km (0.118 R)
• M5: 1,526,048 km (0.116 R)
• M6: 1,952,402 km (0.116 R)
• M7: 3,477,851 km (0.105 R)
• M8: 4,239,304 km (0.036 R)
• M9: 4,542,240 km (0.119 R)
• M10: 5,451,197 km (0.111 R)
• M11: 6,600,557 km (0.056 R)
• M12: 6,931,019 km (0.089 R)
• M13: 7,379,813 km (0.083 R)
• M14: 7,791,805 km (0.071 R)
• M15: 11,083,108 km (0.029 R)
• M16: 12,564,276 km (0.076 R)
• M17: 12,993,622 km (0.109 R)
• M18: 13,554,315 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.7

Radius: 13

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.84 AU - 3.52 AU

Year: 3846 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,331,225 km

• M1: 161,715 km (0.099 R)
• M2: 644,468 km (0.101 R)
• M3: 1,564,195 km (0.078 R)
• M4: 2,167,673 km (0.096 R)
• M5: 2,748,861 km (0.032 R)
• M6: 4,297,199 km (0.094 R)
• M7: 4,706,499 km (0.093 R)
• M8: 5,604,235 km (0.116 R)
• M9: 6,183,778 km (0.09 R)
• M10: 6,931,917 km (0.119 R)
• M11: 7,880,068 km (0.086 R)
• M12: 9,223,906 km (0.047 R)
• M13: 10,328,237 km (0.092 R)
• M14: 11,246,618 km (0.099 R)
• M15: 11,842,018 km (0.062 R)
• M16: 12,946,798 km (0.084 R)
• M17: 15,472,609 km (0.093 R)
• M18: 17,815,311 km (0.079 R)
• M19: 18,310,779 km (0.113 R)
• M20: 19,985,079 km (0.112 R)
• M21: 20,859,478 km (0.101 R)
• M22: 23,267,256 km (0.097 R)
• M23: 23,859,664 km (0.115 R)
• M24: 24,690,680 km (0.099 R)
• M25: 26,570,676 km (0.091 R)
• M26: 27,218,136 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251

Radius: 3.9

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.83 AU - 7.31 AU

Year: 12750 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,331,225 km

• M1: 49,068 km (0.102 R)
• M2: 1,603,988 km (0.068 R)
• M3: 1,896,751 km (0.065 R)
• M4: 4,644,116 km (0.084 R)
• M5: 5,329,424 km (0.08 R)
• M6: 7,430,377 km (0.12 R)
• M7: 8,321,681 km (0.087 R)
• M8: 10,657,951 km (0.111 R)
• M9: 12,996,165 km (0.111 R)
• M10: 14,405,228 km (0.088 R)
• M11: 16,839,634 km (0.103 R)
• M12: 17,316,103 km (0.031 R)
• M13: 17,801,548 km (0.108 R)
• M14: 22,585,688 km (0.097 R)
• M15: 22,832,824 km (0.086 R)
• M16: 24,874,536 km (0.057 R)
• M17: 33,613,594 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit