🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 14

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 5.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,868,037 km

• M1: 174,132 km (0.106 R)
• M2: 635,193 km (0.05 R)
• M3: 1,255,425 km (0.109 R)
• M4: 1,698,833 km (0.114 R)
• M5: 2,326,546 km (0.057 R)
• M6: 2,846,548 km (0.116 R)
• M7: 3,322,120 km (0.039 R)
• M8: 3,851,098 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.8

Radius: 11.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.51 AU - 0.73 AU

Year: 331 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,868,037 km

• M1: 146,905 km (0.098 R)
• M2: 914,492 km (0.103 R)
• M3: 1,860,698 km (0.09 R)
• M4: 2,263,715 km (0.1 R)
• M5: 2,750,506 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 11.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,868,037 km

• M1: 140,772 km (0.101 R)
• M2: 524,341 km (0.04 R)
• M3: 910,752 km (0.114 R)
• M4: 1,389,764 km (0.093 R)
• M5: 1,841,699 km (0.119 R)
• M6: 2,208,065 km (0.065 R)
• M7: 2,632,923 km (0.109 R)
• M8: 3,123,304 km (0.096 R)
• M9: 3,542,478 km (0.054 R)
• M10: 4,155,380 km (0.107 R)
• M11: 4,764,991 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 12.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.8 AU - 0.86 AU

Year: 513 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,868,037 km

• M1: 159,172 km (0.119 R)
• M2: 586,124 km (0.069 R)
• M3: 1,080,246 km (0.076 R)
• M4: 1,658,143 km (0.107 R)
• M5: 2,277,328 km (0.051 R)
• M6: 2,946,180 km (0.049 R)
• M7: 3,425,342 km (0.086 R)
• M8: 4,438,270 km (0.094 R)
• M9: 4,927,455 km (0.11 R)
• M10: 5,537,814 km (0.079 R)
• M11: 6,014,732 km (0.075 R)
• M12: 6,442,582 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 9.8

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.54 AU - 4.98 AU

Year: 5964 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,868,037 km

• M1: 125,513 km (0.119 R)
• M2: 505,192 km (0.064 R)
• M3: 946,207 km (0.085 R)
• M4: 2,415,856 km (0.097 R)
• M5: 3,237,298 km (0.087 R)
• M6: 3,758,497 km (0.072 R)
• M7: 5,308,480 km (0.108 R)
• M8: 5,859,449 km (0.057 R)
• M9: 6,265,009 km (0.113 R)
• M10: 9,510,984 km (0.092 R)
• M11: 13,913,799 km (0.097 R)
• M12: 15,768,962 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.1

Radius: 8

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.06 AU - 6.28 AU

Year: 10395 Days

Day: 19.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,868,037 km

• M1: 100,231 km (0.067 R)
• M2: 766,689 km (0.064 R)
• M3: 1,064,239 km (0.073 R)
• M4: 1,493,735 km (0.076 R)
• M5: 1,772,884 km (0.08 R)
• M6: 2,322,956 km (0.082 R)
• M7: 2,982,084 km (0.094 R)
• M8: 3,919,913 km (0.072 R)
• M9: 4,606,118 km (0.105 R)
• M10: 5,009,883 km (0.082 R)
• M11: 5,336,455 km (0.095 R)
• M12: 6,554,481 km (0.117 R)
• M13: 9,381,432 km (0.047 R)
• M14: 10,764,016 km (0.117 R)
• M15: 11,814,941 km (0.11 R)
• M16: 12,218,855 km (0.032 R)
• M17: 17,070,763 km (0.031 R)
• M18: 20,082,018 km (0.085 R)
• M19: 22,014,523 km (0.084 R)
• M20: 23,884,347 km (0.099 R)
• M21: 24,904,904 km (0.074 R)
• M22: 28,243,031 km (0.102 R)
• M23: 29,383,864 km (0.091 R)
• M24: 34,371,906 km (0.09 R)
• M25: 34,723,162 km (0.067 R)
• M26: 35,911,567 km (0.12 R)
• M27: 37,496,706 km (0.07 R)
• M28: 38,118,585 km (0.046 R)
• M29: 41,861,972 km (0.097 R)
• M30: 42,936,234 km (0.036 R)
• M31: 43,343,739 km (0.083 R)
• M32: 46,126,858 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.8

Radius: 3.7

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.87 AU - 10.39 AU

Year: 17195 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,868,037 km

• M1: 61,186 km (0.08 R)
• M2: 364,271 km (0.109 R)
• M3: 909,555 km (0.079 R)
• M4: 1,261,708 km (0.097 R)
• M5: 3,971,823 km (0.081 R)
• M6: 4,388,154 km (0.114 R)
• M7: 6,722,180 km (0.095 R)
• M8: 7,191,469 km (0.097 R)
• M9: 9,288,233 km (0.116 R)
• M10: 12,324,321 km (0.114 R)
• M11: 14,253,386 km (0.118 R)
• M12: 21,147,604 km (0.089 R)
• M13: 22,923,929 km (0.063 R)
• M14: 32,428,181 km (0.042 R)
• M15: 34,439,823 km (0.089 R)
• M16: 37,249,271 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.6

Radius: 5.9

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.5 AU - 10.46 AU

Year: 18252 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,868,037 km

• M1: 73,303 km (0.118 R)
• M2: 264,489 km (0.057 R)
• M3: 1,190,350 km (0.07 R)
• M4: 1,743,114 km (0.103 R)
• M5: 2,274,336 km (0.059 R)
• M6: 4,127,405 km (0.054 R)
• M7: 6,097,759 km (0.096 R)
• M8: 7,788,514 km (0.098 R)
• M9: 9,926,268 km (0.067 R)
• M10: 11,016,088 km (0.112 R)
• M11: 12,426,347 km (0.118 R)
• M12: 15,177,003 km (0.057 R)
• M13: 15,886,995 km (0.101 R)
• M14: 17,220,660 km (0.095 R)
• M15: 17,603,929 km (0.102 R)
• M16: 18,387,673 km (0.115 R)
• M17: 20,193,169 km (0.062 R)
• M18: 20,533,654 km (0.12 R)
• M19: 22,203,765 km (0.09 R)
• M20: 24,248,169 km (0.056 R)
• M21: 27,027,249 km (0.091 R)
• M22: 28,386,944 km (0.071 R)
• M23: 34,162,170 km (0.039 R)
• M24: 39,867,982 km (0.069 R)
• M25: 42,040,592 km (0.072 R)
• M26: 42,595,750 km (0.052 R)
• M27: 47,514,378 km (0.059 R)
• M28: 48,116,659 km (0.099 R)
• M29: 48,419,894 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.3

Radius: 5.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.69 AU - 10.55 AU

Year: 18680 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,868,037 km

• M1: 80,184 km (0.04 R)
• M2: 375,191 km (0.063 R)
• M3: 1,640,041 km (0.114 R)
• M4: 2,279,423 km (0.087 R)
• M5: 5,687,861 km (0.106 R)
• M6: 8,028,020 km (0.073 R)
• M7: 10,203,921 km (0.104 R)
• M8: 13,425,212 km (0.087 R)
• M9: 20,835,692 km (0.076 R)
• M10: 23,415,208 km (0.103 R)
• M11: 24,435,017 km (0.084 R)
• M12: 29,882,773 km (0.06 R)
• M13: 31,488,407 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.7

Radius: 3.2

Gravity: 16.47 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.35 AU - 11.41 AU

Year: 22682 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,868,037 km

• M1: 39,793 km (0.119 R)
• M2: 197,768 km (0.118 R)
• M3: 811,419 km (0.065 R)
• M4: 1,356,853 km (0.118 R)
• M5: 1,835,416 km (0.08 R)
• M6: 1,988,305 km (0.113 R)
• M7: 2,205,222 km (0.108 R)
• M8: 2,437,847 km (0.119 R)
• M9: 3,559,831 km (0.075 R)
• M10: 3,825,068 km (0.105 R)
• M11: 4,218,211 km (0.063 R)
• M12: 5,284,545 km (0.118 R)
• M13: 6,025,952 km (0.07 R)
• M14: 6,794,286 km (0.089 R)
• M15: 7,411,677 km (0.082 R)
• M16: 7,887,548 km (0.114 R)
• M17: 8,200,806 km (0.118 R)
• M18: 8,522,441 km (0.048 R)
• M19: 9,387,715 km (0.12 R)
• M20: 9,790,433 km (0.043 R)
• M21: 10,362,794 km (0.117 R)
• M22: 13,310,321 km (0.095 R)
• M23: 15,908,686 km (0.1 R)
• M24: 16,264,430 km (0.075 R)
• M25: 17,740,811 km (0.103 R)
• M26: 18,904,982 km (0.057 R)
• M27: 20,368,049 km (0.116 R)
• M28: 26,675,544 km (0.113 R)
• M29: 27,583,454 km (0.045 R)
• M30: 34,286,635 km (0.053 R)
• M31: 38,328,620 km (0.11 R)
• M32: 47,488,498 km (0.108 R)
• M33: 48,820,068 km (0.078 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: 415 - 19,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit