🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.51 AU - 2.17 AU

Year: 907 Days

Day: 13.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.88 AU - 3.42 AU

Year: 2032 Days

Day: 16 Hours

Environment

Temp: -96 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.73 AU - 5.05 AU

Year: 3343 Days

Day: 26.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.4

Radius: 10

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.78 AU - 7.78 AU

Year: 7887 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,597,953 km

• M1: 124,316 km (0.075 R)
• M2: 559,197 km (0.069 R)
• M3: 894,296 km (0.12 R)
• M4: 1,321,996 km (0.03 R)
• M5: 2,230,205 km (0.063 R)
• M6: 2,949,472 km (0.115 R)
• M7: 3,938,912 km (0.104 R)
• M8: 5,981,671 km (0.085 R)
• M9: 6,990,559 km (0.098 R)
• M10: 7,710,873 km (0.09 R)
• M11: 10,169,962 km (0.095 R)
• M12: 12,394,932 km (0.103 R)
• M13: 12,942,609 km (0.12 R)
• M14: 14,263,708 km (0.068 R)
• M15: 15,862,909 km (0.119 R)
• M16: 16,574,397 km (0.095 R)
• M17: 17,038,001 km (0.081 R)
• M18: 17,784,045 km (0.072 R)
• M19: 18,270,089 km (0.062 R)
• M20: 18,764,959 km (0.047 R)
• M21: 19,123,844 km (0.074 R)
• M22: 21,296,902 km (0.115 R)
• M23: 23,051,536 km (0.096 R)
• M24: 24,642,659 km (0.092 R)
• M25: 24,986,884 km (0.064 R)
• M26: 26,305,888 km (0.047 R)
• M27: 27,670,819 km (0.102 R)
• M28: 29,660,321 km (0.106 R)
• M29: 30,344,133 km (0.032 R)
• M30: 36,531,800 km (0.093 R)
• M31: 36,979,397 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 8.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.66 AU - 10.92 AU

Year: 9471 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,597,953 km

• M1: 110,702 km (0.095 R)
• M2: 641,924 km (0.076 R)
• M3: 1,080,545 km (0.112 R)
• M4: 1,985,762 km (0.065 R)
• M5: 2,972,510 km (0.096 R)
• M6: 3,264,076 km (0.051 R)
• M7: 3,856,783 km (0.077 R)
• M8: 5,255,972 km (0.03 R)
• M9: 5,907,470 km (0.111 R)
• M10: 7,038,580 km (0.093 R)
• M11: 7,636,373 km (0.104 R)
• M12: 9,724,161 km (0.093 R)
• M13: 10,229,951 km (0.118 R)
• M14: 10,561,011 km (0.099 R)
• M15: 10,997,089 km (0.111 R)
• M16: 11,699,152 km (0.049 R)
• M17: 12,218,705 km (0.092 R)
• M18: 13,985,307 km (0.077 R)
• M19: 17,949,501 km (0.113 R)
• M20: 21,739,712 km (0.087 R)
• M21: 23,410,870 km (0.089 R)
• M22: 24,995,261 km (0.089 R)
• M23: 25,596,495 km (0.057 R)
• M24: 26,472,241 km (0.114 R)
• M25: 29,599,435 km (0.119 R)
• M26: 31,152,859 km (0.056 R)
• M27: 31,649,225 km (0.087 R)
• M28: 32,759,989 km (0.112 R)
• M29: 34,210,789 km (0.1 R)
• M30: 35,273,084 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.1

Radius: 7.2

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 14.3 AU - 18.02 AU

Year: 23610 Days

Day: 15.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,597,953 km

• M1: 89,609 km (0.076 R)
• M2: 359,932 km (0.081 R)
• M3: 730,636 km (0.059 R)
• M4: 1,592,320 km (0.051 R)
• M5: 1,819,110 km (0.109 R)
• M6: 2,210,907 km (0.104 R)
• M7: 2,729,712 km (0.105 R)
• M8: 3,217,252 km (0.057 R)
• M9: 4,603,126 km (0.109 R)
• M10: 4,885,866 km (0.112 R)
• M11: 6,390,971 km (0.094 R)
• M12: 7,535,544 km (0.112 R)
• M13: 9,192,340 km (0.054 R)
• M14: 9,528,038 km (0.1 R)
• M15: 9,871,963 km (0.103 R)
• M16: 11,522,926 km (0.083 R)
• M17: 12,652,240 km (0.068 R)
• M18: 13,492,681 km (0.1 R)
• M19: 13,999,668 km (0.106 R)
• M20: 14,519,371 km (0.072 R)
• M21: 15,206,474 km (0.085 R)
• M22: 16,399,367 km (0.082 R)
• M23: 19,698,599 km (0.12 R)
• M24: 20,635,231 km (0.1 R)
• M25: 21,797,906 km (0.032 R)
• M26: 24,679,610 km (0.041 R)
• M27: 25,002,741 km (0.042 R)
• M28: 26,547,937 km (0.053 R)
• M29: 35,784,559 km (0.109 R)
• M30: 38,460,565 km (0.114 R)
• M31: 40,366,592 km (0.085 R)
• M32: 50,328,164 km (0.067 R)
• M33: 57,366,445 km (0.117 R)
• M34: 59,464,106 km (0.076 R)
• M35: 60,044,995 km (0.041 R)
• M36: 62,207,133 km (0.106 R)
• M37: 66,063,018 km (0.046 R)
• M38: 75,371,596 km (0.028 R)
• M39: 75,597,938 km (0.083 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 14,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit