🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 14.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,405,345 km

• M1: 184,903 km (0.07 R)
• M2: 781,200 km (0.101 R)
• M3: 1,437,336 km (0.07 R)
• M4: 2,199,238 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 11.8

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 379 Days

Day: 7 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,405,345 km

• M1: 146,756 km (0.088 R)
• M2: 520,601 km (0.1 R)
• M3: 902,823 km (0.075 R)
• M4: 1,477,578 km (0.1 R)
• M5: 2,108,283 km (0.09 R)
• M6: 2,505,914 km (0.118 R)
• M7: 3,039,230 km (0.065 R)
• M8: 3,586,609 km (0.059 R)
• M9: 4,376,635 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.4

Radius: 12.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.9 AU - 0.9 AU

Year: 589 Days

Day: 8.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,405,345 km

• M1: 152,141 km (0.08 R)
• M2: 601,683 km (0.077 R)
• M3: 986,448 km (0.057 R)
• M4: 1,395,000 km (0.081 R)
• M5: 1,848,730 km (0.07 R)
• M6: 2,273,289 km (0.06 R)
• M7: 2,815,133 km (0.111 R)
• M8: 3,637,771 km (0.059 R)
• M9: 4,570,514 km (0.08 R)
• M10: 5,948,610 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 13.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.77 AU - 1.07 AU

Year: 609 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,405,345 km

• M1: 172,935 km (0.088 R)
• M2: 736,919 km (0.077 R)
• M3: 1,170,155 km (0.112 R)
• M4: 1,749,846 km (0.102 R)
• M5: 2,233,496 km (0.118 R)
• M6: 2,959,495 km (0.066 R)
• M7: 3,478,300 km (0.09 R)
• M8: 4,148,050 km (0.093 R)
• M9: 4,635,888 km (0.111 R)
• M10: 5,358,446 km (0.12 R)
• M11: 6,499,130 km (0.081 R)
• M12: 7,204,633 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 12.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.45 AU - 3.47 AU

Year: 3515 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,405,345 km

• M1: 166,054 km (0.065 R)
• M2: 574,306 km (0.098 R)
• M3: 1,044,044 km (0.107 R)
• M4: 1,598,453 km (0.104 R)
• M5: 2,005,210 km (0.036 R)
• M6: 2,413,462 km (0.097 R)
• M7: 2,939,897 km (0.117 R)
• M8: 3,419,209 km (0.085 R)
• M9: 4,186,197 km (0.064 R)
• M10: 4,643,368 km (0.091 R)
• M11: 5,439,977 km (0.072 R)
• M12: 6,379,003 km (0.095 R)
• M13: 6,901,847 km (0.109 R)
• M14: 7,633,231 km (0.067 R)
• M15: 9,216,276 km (0.099 R)
• M16: 9,849,673 km (0.08 R)
• M17: 10,325,095 km (0.055 R)
• M18: 11,322,016 km (0.035 R)
• M19: 12,007,772 km (0.108 R)
• M20: 12,423,954 km (0.097 R)
• M21: 13,641,082 km (0.095 R)
• M22: 14,793,584 km (0.079 R)
• M23: 17,503,100 km (0.08 R)
• M24: 18,201,872 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.3

Radius: 6.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.38 AU - 7.2 AU

Year: 12213 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,405,345 km

• M1: 77,193 km (0.115 R)
• M2: 495,319 km (0.07 R)
• M3: 1,178,981 km (0.081 R)
• M4: 1,376,001 km (0.105 R)
• M5: 2,119,951 km (0.115 R)
• M6: 2,414,210 km (0.095 R)
• M7: 2,613,924 km (0.041 R)
• M8: 2,915,962 km (0.082 R)
• M9: 3,162,349 km (0.057 R)
• M10: 3,464,088 km (0.062 R)
• M11: 4,242,895 km (0.097 R)
• M12: 5,352,612 km (0.107 R)
• M13: 6,676,104 km (0.118 R)
• M14: 7,344,358 km (0.089 R)
• M15: 7,766,224 km (0.096 R)
• M16: 8,093,095 km (0.087 R)
• M17: 8,353,695 km (0.09 R)
• M18: 10,164,727 km (0.078 R)
• M19: 11,093,281 km (0.107 R)
• M20: 12,417,670 km (0.109 R)
• M21: 13,477,721 km (0.067 R)
• M22: 13,686,260 km (0.1 R)
• M23: 16,419,264 km (0.085 R)
• M24: 21,557,502 km (0.06 R)
• M25: 23,988,318 km (0.099 R)
• M26: 25,230,279 km (0.069 R)
• M27: 28,265,321 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 4.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.18 AU - 10.42 AU

Year: 19577 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,405,345 km

• M1: 58,942 km (0.104 R)
• M2: 264,040 km (0.06 R)
• M3: 913,145 km (0.118 R)
• M4: 1,189,153 km (0.111 R)
• M5: 3,406,194 km (0.069 R)
• M6: 3,971,973 km (0.108 R)
• M7: 4,190,386 km (0.096 R)
• M8: 5,144,820 km (0.119 R)
• M9: 5,672,751 km (0.111 R)
• M10: 6,171,660 km (0.117 R)
• M11: 9,752,285 km (0.032 R)
• M12: 10,285,003 km (0.111 R)
• M13: 10,466,765 km (0.039 R)
• M14: 13,675,789 km (0.066 R)
• M15: 15,681,148 km (0.03 R)
• M16: 22,550,533 km (0.072 R)
• M17: 25,250,176 km (0.047 R)
• M18: 26,421,826 km (0.113 R)
• M19: 27,980,786 km (0.103 R)
• M20: 30,996,230 km (0.108 R)
• M21: 32,144,244 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.3

Radius: 4.1

Gravity: 36.42 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.08 AU - 10.36 AU

Year: 22552 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,405,345 km

• M1: 51,013 km (0.08 R)
• M2: 278,252 km (0.097 R)
• M3: 433,983 km (0.028 R)
• M4: 765,044 km (0.106 R)
• M5: 954,883 km (0.11 R)
• M6: 2,928,678 km (0.096 R)
• M7: 3,142,453 km (0.079 R)
• M8: 3,815,344 km (0.091 R)
• M9: 4,235,714 km (0.036 R)
• M10: 4,405,358 km (0.105 R)
• M11: 4,650,399 km (0.048 R)
• M12: 5,480,219 km (0.115 R)
• M13: 7,379,065 km (0.079 R)
• M14: 7,927,191 km (0.036 R)
• M15: 8,555,502 km (0.104 R)
• M16: 10,764,315 km (0.085 R)
• M17: 11,798,335 km (0.099 R)
• M18: 12,408,096 km (0.087 R)
• M19: 13,253,623 km (0.077 R)
• M20: 13,986,952 km (0.069 R)
• M21: 15,937,858 km (0.111 R)
• M22: 16,431,681 km (0.106 R)
• M23: 17,798,407 km (0.098 R)
• M24: 18,151,607 km (0.081 R)
• M25: 23,282,365 km (0.1 R)
• M26: 25,112,845 km (0.055 R)
• M27: 25,557,001 km (0.098 R)
• M28: 28,572,894 km (0.092 R)
• M29: 30,291,175 km (0.115 R)
• M30: 31,431,410 km (0.076 R)
• M31: 32,863,511 km (0.107 R)
• M32: 34,885,625 km (0.1 R)
• M33: 38,731,786 km (0.109 R)
• M34: 39,773,137 km (0.031 R)
• M35: 42,693,437 km (0.095 R)
• M36: 47,929,512 km (0.092 R)
• M37: 54,128,698 km (0.101 R)
• M38: 55,617,048 km (0.101 R)
• M39: 59,260,653 km (0.09 R)
• M40: 74,967,532 km (0.185 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 17,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit