🌌 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: 408.7

Radius: 11.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.42 AU - 0.6 AU

Year: 243 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,257,474 km

• M1: 139,575 km (0.1 R)
• M2: 521,049 km (0.106 R)
• M3: 1,018,163 km (0.112 R)
• M4: 1,643,931 km (0.096 R)
• M5: 2,035,279 km (0.078 R)
• M6: 2,576,524 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.7

Radius: 11.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 10.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,257,474 km

• M1: 141,819 km (0.095 R)
• M2: 525,986 km (0.096 R)
• M3: 1,421,778 km (0.08 R)
• M4: 1,793,529 km (0.118 R)
• M5: 2,178,145 km (0.117 R)
• M6: 2,601,208 km (0.06 R)
• M7: 3,375,377 km (0.083 R)
• M8: 3,811,455 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 12

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.73 AU - 1.05 AU

Year: 560 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,257,474 km

• M1: 149,299 km (0.108 R)
• M2: 539,600 km (0.11 R)
• M3: 1,019,958 km (0.057 R)
• M4: 1,921,734 km (0.066 R)
• M5: 2,466,270 km (0.097 R)
• M6: 3,160,554 km (0.079 R)
• M7: 3,581,074 km (0.1 R)
• M8: 4,082,675 km (0.05 R)
• M9: 4,504,841 km (0.107 R)
• M10: 5,331,818 km (0.09 R)
• M11: 5,819,208 km (0.098 R)
• M12: 6,336,068 km (0.096 R)
• M13: 7,072,838 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.9

Radius: 14.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.04 AU - 1.7 AU

Year: 1069 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,257,474 km

• M1: 187,895 km (0.082 R)
• M2: 802,593 km (0.076 R)
• M3: 1,428,360 km (0.076 R)
• M4: 2,188,766 km (0.112 R)
• M5: 2,858,666 km (0.115 R)
• M6: 3,571,649 km (0.099 R)
• M7: 6,242,869 km (0.092 R)
• M8: 7,054,886 km (0.059 R)
• M9: 7,780,136 km (0.1 R)
• M10: 9,587,279 km (0.065 R)
• M11: 10,765,661 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 11

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.8 AU - 1.88 AU

Year: 1664 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,257,474 km

• M1: 137,331 km (0.11 R)
• M2: 561,441 km (0.119 R)
• M3: 970,142 km (0.033 R)
• M4: 1,400,236 km (0.105 R)
• M5: 2,041,712 km (0.095 R)
• M6: 2,774,741 km (0.074 R)
• M7: 3,589,601 km (0.103 R)
• M8: 3,939,510 km (0.08 R)
• M9: 4,360,479 km (0.118 R)
• M10: 5,039,653 km (0.054 R)
• M11: 5,926,170 km (0.091 R)
• M12: 6,313,030 km (0.096 R)
• M13: 6,694,954 km (0.083 R)
• M14: 7,599,273 km (0.113 R)
• M15: 8,660,370 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 12.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.77 AU - 3.43 AU

Year: 3640 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,257,474 km

• M1: 154,535 km (0.092 R)
• M2: 818,151 km (0.096 R)
• M3: 1,671,607 km (0.083 R)
• M4: 2,473,152 km (0.061 R)
• M5: 3,183,592 km (0.12 R)
• M6: 3,701,799 km (0.042 R)
• M7: 4,276,106 km (0.057 R)
• M8: 4,807,926 km (0.088 R)
• M9: 5,438,032 km (0.114 R)
• M10: 5,859,449 km (0.117 R)
• M11: 6,928,625 km (0.114 R)
• M12: 7,391,032 km (0.119 R)
• M13: 8,415,030 km (0.101 R)
• M14: 9,096,897 km (0.061 R)
• M15: 11,869,693 km (0.12 R)
• M16: 15,384,196 km (0.1 R)
• M17: 16,173,774 km (0.11 R)
• M18: 17,049,520 km (0.09 R)
• M19: 18,705,119 km (0.067 R)
• M20: 19,215,697 km (0.104 R)
• M21: 20,264,827 km (0.102 R)
• M22: 20,667,843 km (0.106 R)
• M23: 23,864,002 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.4

Radius: 3.4

Gravity: 58.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.52 AU - 11.46 AU

Year: 21056 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,257,474 km

• M1: 53,855 km (0.099 R)
• M2: 180,864 km (0.076 R)
• M3: 339,288 km (0.096 R)
• M4: 716,125 km (0.071 R)
• M5: 841,488 km (0.09 R)
• M6: 981,512 km (0.119 R)
• M7: 1,178,532 km (0.09 R)
• M8: 1,294,022 km (0.054 R)
• M9: 1,514,379 km (0.112 R)
• M10: 1,833,920 km (0.104 R)
• M11: 1,949,859 km (0.12 R)
• M12: 2,305,453 km (0.117 R)
• M13: 4,133,988 km (0.045 R)
• M14: 5,592,268 km (0.097 R)
• M15: 5,878,598 km (0.084 R)
• M16: 6,569,740 km (0.094 R)
• M17: 7,028,108 km (0.076 R)
• M18: 7,265,221 km (0.116 R)
• M19: 8,531,118 km (0.112 R)
• M20: 8,638,379 km (0.087 R)
• M21: 9,996,279 km (0.109 R)
• M22: 10,175,498 km (0.106 R)
• M23: 10,913,613 km (0.069 R)
• M24: 12,703,851 km (0.091 R)
• M25: 12,914,036 km (0.085 R)
• M26: 14,527,300 km (0.114 R)
• M27: 16,435,121 km (0.094 R)
• M28: 18,683,428 km (0.094 R)
• M29: 22,021,854 km (0.081 R)
• M30: 25,736,967 km (0.076 R)
• M31: 26,526,994 km (0.117 R)
• M32: 30,846,333 km (0.086 R)
• M33: 32,384,199 km (0.099 R)
• M34: 36,875,127 km (0.069 R)
• M35: 41,302,327 km (0.097 R)
• M36: 43,168,111 km (0.055 R)
• M37: 48,929,424 km (0.048 R)
• M38: 70,329,849 km (0.107 R)
• M39: 75,705,648 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.4

Radius: 7.6

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.79 AU - 11.57 AU

Year: 21660 Days

Day: 25 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,257,474 km

• M1: 95,593 km (0.114 R)
• M2: 338,839 km (0.063 R)
• M3: 1,161,627 km (0.05 R)
• M4: 1,816,866 km (0.09 R)
• M5: 2,529,102 km (0.092 R)
• M6: 3,273,052 km (0.048 R)
• M7: 3,928,889 km (0.106 R)
• M8: 4,187,992 km (0.111 R)
• M9: 5,907,321 km (0.104 R)
• M10: 6,204,871 km (0.079 R)
• M11: 8,258,850 km (0.058 R)
• M12: 8,794,709 km (0.099 R)
• M13: 9,410,604 km (0.078 R)
• M14: 11,827,357 km (0.028 R)
• M15: 14,940,190 km (0.072 R)
• M16: 15,493,851 km (0.105 R)
• M17: 16,143,256 km (0.103 R)
• M18: 16,642,165 km (0.045 R)
• M19: 17,323,284 km (0.1 R)
• M20: 21,108,708 km (0.116 R)
• M21: 23,140,995 km (0.085 R)
• M22: 30,390,807 km (0.119 R)
• M23: 31,407,624 km (0.105 R)
• M24: 32,578,527 km (0.073 R)
• M25: 39,020,660 km (0.111 R)
• M26: 46,262,842 km (0.049 R)
• M27: 46,763,995 km (0.11 R)
• M28: 47,437,934 km (0.098 R)
• M29: 48,977,894 km (0.092 R)
• M30: 49,672,926 km (0.091 R)
• M31: 50,905,014 km (0.083 R)
• M32: 59,316,005 km (0.118 R)
• M33: 62,313,048 km (0.111 R)
• M34: 71,461,706 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 11,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit