🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 12.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.63 AU - 0.79 AU

Year: 386 Days

Day: 8.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,244,710 km

• M1: 159,172 km (0.075 R)
• M2: 782,846 km (0.078 R)
• M3: 1,192,594 km (0.096 R)
• M4: 1,592,918 km (0.084 R)
• M5: 2,499,631 km (0.103 R)
• M6: 3,259,887 km (0.084 R)
• M7: 4,000,247 km (0.042 R)
• M8: 4,563,483 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 12

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.67 AU - 2.17 AU

Year: 1718 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,244,710 km

• M1: 155,881 km (0.05 R)
• M2: 609,013 km (0.091 R)
• M3: 1,004,550 km (0.12 R)
• M4: 1,537,717 km (0.096 R)
• M5: 1,934,749 km (0.084 R)
• M6: 3,609,946 km (0.106 R)
• M7: 4,136,980 km (0.08 R)
• M8: 4,788,628 km (0.113 R)
• M9: 5,507,745 km (0.068 R)
• M10: 5,882,936 km (0.061 R)
• M11: 7,137,015 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.1

Radius: 9.6

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.17 AU - 3.53 AU

Year: 3959 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,244,710 km

• M1: 119,379 km (0.104 R)
• M2: 459,265 km (0.108 R)
• M3: 990,188 km (0.107 R)
• M4: 1,607,280 km (0.106 R)
• M5: 1,995,935 km (0.064 R)
• M6: 2,463,129 km (0.11 R)
• M7: 3,231,164 km (0.072 R)
• M8: 4,509,927 km (0.116 R)
• M9: 5,978,081 km (0.059 R)
• M10: 6,281,615 km (0.115 R)
• M11: 8,781,395 km (0.087 R)
• M12: 9,953,794 km (0.118 R)
• M13: 10,511,943 km (0.052 R)
• M14: 10,955,351 km (0.103 R)
• M15: 11,550,452 km (0.118 R)
• M16: 13,056,603 km (0.098 R)
• M17: 15,131,974 km (0.053 R)
• M18: 16,160,460 km (0.034 R)
• M19: 17,173,985 km (0.115 R)
• M20: 18,676,097 km (0.087 R)
• M21: 22,300,405 km (0.108 R)
• M22: 23,630,928 km (0.096 R)
• M23: 25,013,512 km (0.073 R)
• M24: 25,406,954 km (0.043 R)
• M25: 26,287,188 km (0.06 R)
• M26: 26,693,945 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 11.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.81 AU - 4.27 AU

Year: 5243 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,244,710 km

• M1: 144,212 km (0.101 R)
• M2: 646,263 km (0.045 R)
• M3: 1,029,682 km (0.032 R)
• M4: 1,439,281 km (0.102 R)
• M5: 2,329,089 km (0.078 R)
• M6: 2,802,118 km (0.089 R)
• M7: 3,172,971 km (0.101 R)
• M8: 3,598,876 km (0.055 R)
• M9: 4,646,211 km (0.11 R)
• M10: 5,609,920 km (0.086 R)
• M11: 6,805,207 km (0.074 R)
• M12: 9,519,661 km (0.11 R)
• M13: 9,914,449 km (0.069 R)
• M14: 10,737,088 km (0.032 R)
• M15: 11,213,557 km (0.112 R)
• M16: 12,939,617 km (0.118 R)
• M17: 14,953,654 km (0.082 R)
• M18: 16,035,246 km (0.072 R)
• M19: 17,557,853 km (0.099 R)
• M20: 18,761,368 km (0.085 R)
• M21: 19,805,860 km (0.072 R)
• M22: 23,171,663 km (0.054 R)
• M23: 23,887,938 km (0.067 R)
• M24: 24,292,301 km (0.053 R)
• M25: 25,114,491 km (0.085 R)
• M26: 26,382,482 km (0.082 R)
• M27: 30,537,264 km (0.071 R)
• M28: 31,981,182 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.6

Radius: 5.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.86 AU - 7.56 AU

Year: 12500 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,244,710 km

• M1: 74,350 km (0.068 R)
• M2: 288,724 km (0.12 R)
• M3: 701,315 km (0.088 R)
• M4: 894,894 km (0.111 R)
• M5: 1,148,762 km (0.102 R)
• M6: 3,244,329 km (0.092 R)
• M7: 4,357,786 km (0.112 R)
• M8: 5,415,892 km (0.096 R)
• M9: 5,680,830 km (0.093 R)
• M10: 6,158,496 km (0.069 R)
• M11: 7,874,084 km (0.09 R)
• M12: 10,244,462 km (0.098 R)
• M13: 11,930,430 km (0.1 R)
• M14: 12,255,806 km (0.117 R)
• M15: 13,793,223 km (0.115 R)
• M16: 14,061,302 km (0.108 R)
• M17: 16,734,766 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540

Radius: 6.5

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 11.07 AU - 11.45 AU

Year: 24396 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,244,710 km

• M1: 80,932 km (0.04 R)
• M2: 415,433 km (0.115 R)
• M3: 630,705 km (0.114 R)
• M4: 833,859 km (0.115 R)
• M5: 1,623,885 km (0.1 R)
• M6: 2,138,801 km (0.08 R)
• M7: 2,423,037 km (0.034 R)
• M8: 2,683,038 km (0.081 R)
• M9: 3,148,886 km (0.101 R)
• M10: 3,401,407 km (0.057 R)
• M11: 4,075,944 km (0.055 R)
• M12: 4,727,143 km (0.1 R)
• M13: 5,935,595 km (0.12 R)
• M14: 9,627,969 km (0.095 R)
• M15: 14,926,576 km (0.106 R)
• M16: 22,197,631 km (0.115 R)
• M17: 22,504,756 km (0.111 R)
• M18: 23,127,681 km (0.096 R)
• M19: 24,191,172 km (0.054 R)
• M20: 25,510,027 km (0.096 R)
• M21: 28,772,308 km (0.067 R)
• M22: 36,821,122 km (0.1 R)
• M23: 38,563,339 km (0.07 R)
• M24: 39,604,690 km (0.103 R)
• M25: 75,299,639 km (0.11 R)
• M26: 78,572,990 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 12,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit