🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 24 Hours

Environment

Temp: -116 °C

Axial Tilt: 127.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,851,839 km

• M1: 47,871 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.82 AU - 1.18 AU

Year: 646 Days

Day: 9.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,851,839 km

• M1: 112,049 km (0.111 R)
• M2: 411,245 km (0.066 R)
• M3: 905,217 km (0.025 R)
• M4: 1,474,885 km (0.108 R)
• M5: 2,327,294 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 8.1

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.98 AU - 1.44 AU

Year: 859 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,851,839 km

• M1: 101,278 km (0.118 R)
• M2: 979,268 km (0.099 R)
• M3: 1,344,586 km (0.12 R)
• M4: 1,691,054 km (0.092 R)
• M5: 2,374,118 km (0.088 R)
• M6: 2,654,016 km (0.059 R)
• M7: 3,306,562 km (0.04 R)
• M8: 4,385,162 km (0.113 R)
• M9: 4,708,743 km (0.053 R)
• M10: 6,027,747 km (0.119 R)
• M11: 6,804,459 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.4

Radius: 9.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.37 AU - 2.47 AU

Year: 2431 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,851,839 km

• M1: 117,285 km (0.116 R)
• M2: 912,547 km (0.091 R)
• M3: 1,726,659 km (0.101 R)
• M4: 2,342,852 km (0.063 R)
• M5: 4,058,590 km (0.076 R)
• M6: 4,561,987 km (0.057 R)
• M7: 7,910,586 km (0.088 R)
• M8: 8,502,545 km (0.117 R)
• M9: 9,386,369 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 9.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.35 AU - 3.23 AU

Year: 3009 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,851,839 km

• M1: 119,379 km (0.093 R)
• M2: 599,139 km (0.103 R)
• M3: 1,183,618 km (0.072 R)
• M4: 1,878,949 km (0.031 R)
• M5: 2,397,904 km (0.067 R)
• M6: 2,721,185 km (0.071 R)
• M7: 3,252,856 km (0.109 R)
• M8: 4,298,545 km (0.107 R)
• M9: 4,931,943 km (0.101 R)
• M10: 5,530,184 km (0.109 R)
• M11: 5,871,866 km (0.096 R)
• M12: 6,706,323 km (0.053 R)
• M13: 8,290,714 km (0.097 R)
• M14: 9,967,557 km (0.036 R)
• M15: 10,328,387 km (0.047 R)
• M16: 11,463,236 km (0.086 R)
• M17: 12,470,778 km (0.068 R)
• M18: 13,103,128 km (0.039 R)
• M19: 14,523,260 km (0.115 R)
• M20: 15,605,601 km (0.093 R)
• M21: 16,842,027 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 13.6

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.82 AU - 3.52 AU

Year: 3644 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,851,839 km

• M1: 169,195 km (0.075 R)
• M2: 806,781 km (0.116 R)
• M3: 1,630,318 km (0.055 R)
• M4: 2,084,796 km (0.085 R)
• M5: 4,014,010 km (0.058 R)
• M6: 4,883,772 km (0.102 R)
• M7: 6,254,837 km (0.117 R)
• M8: 7,094,829 km (0.042 R)
• M9: 8,660,969 km (0.092 R)
• M10: 10,278,870 km (0.077 R)
• M11: 11,093,580 km (0.094 R)
• M12: 12,230,673 km (0.11 R)
• M13: 13,244,647 km (0.083 R)
• M14: 14,524,008 km (0.097 R)
• M15: 17,209,141 km (0.097 R)
• M16: 17,868,269 km (0.117 R)
• M17: 21,488,687 km (0.103 R)
• M18: 23,836,925 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.6

Radius: 14.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.36 AU - 3.7 AU

Year: 4282 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,851,839 km

• M1: 193,280 km (0.104 R)
• M2: 654,640 km (0.03 R)
• M3: 1,119,890 km (0.081 R)
• M4: 1,730,847 km (0.104 R)
• M5: 2,398,802 km (0.113 R)
• M6: 3,118,816 km (0.104 R)
• M7: 4,189,189 km (0.076 R)
• M8: 4,836,350 km (0.104 R)
• M9: 5,322,991 km (0.105 R)
• M10: 6,652,767 km (0.1 R)
• M11: 7,970,874 km (0.09 R)
• M12: 9,089,267 km (0.098 R)
• M13: 11,447,528 km (0.074 R)
• M14: 12,566,820 km (0.061 R)
• M15: 13,492,681 km (0.056 R)
• M16: 16,006,673 km (0.117 R)
• M17: 17,343,180 km (0.063 R)
• M18: 18,884,786 km (0.118 R)
• M19: 20,030,856 km (0.119 R)
• M20: 23,061,110 km (0.074 R)
• M21: 23,748,064 km (0.091 R)
• M22: 26,968,307 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 11.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.65 AU - 4.97 AU

Year: 6811 Days

Day: 13.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,851,839 km

• M1: 146,456 km (0.091 R)
• M2: 516,561 km (0.096 R)
• M3: 1,145,770 km (0.066 R)
• M4: 1,630,168 km (0.088 R)
• M5: 2,340,010 km (0.109 R)
• M6: 2,827,250 km (0.044 R)
• M7: 4,467,292 km (0.09 R)
• M8: 5,828,782 km (0.074 R)
• M9: 7,551,850 km (0.118 R)
• M10: 8,075,592 km (0.118 R)
• M11: 8,661,118 km (0.095 R)
• M12: 9,392,802 km (0.095 R)
• M13: 9,999,122 km (0.097 R)
• M14: 12,448,787 km (0.074 R)
• M15: 13,787,239 km (0.091 R)
• M16: 15,999,791 km (0.102 R)
• M17: 16,573,350 km (0.109 R)
• M18: 17,519,855 km (0.074 R)
• M19: 18,006,348 km (0.075 R)
• M20: 19,070,288 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 13.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.76 AU - 6.84 AU

Year: 9019 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,851,839 km

• M1: 165,904 km (0.067 R)
• M2: 676,930 km (0.102 R)
• M3: 1,285,794 km (0.026 R)
• M4: 1,732,942 km (0.113 R)
• M5: 2,624,844 km (0.064 R)
• M6: 3,064,064 km (0.111 R)
• M7: 3,933,377 km (0.09 R)
• M8: 4,930,447 km (0.066 R)
• M9: 6,053,927 km (0.043 R)
• M10: 7,062,515 km (0.037 R)
• M11: 8,443,753 km (0.045 R)
• M12: 8,988,438 km (0.11 R)
• M13: 10,249,399 km (0.086 R)
• M14: 11,243,028 km (0.115 R)
• M15: 13,728,597 km (0.074 R)
• M16: 15,067,049 km (0.087 R)
• M17: 18,002,309 km (0.088 R)
• M18: 19,683,041 km (0.097 R)
• M19: 20,239,096 km (0.101 R)
• M20: 23,978,145 km (0.089 R)
• M21: 26,776,822 km (0.095 R)
• M22: 27,855,572 km (0.055 R)
• M23: 29,372,944 km (0.108 R)
• M24: 29,786,731 km (0.109 R)
• M25: 33,350,751 km (0.048 R)
• M26: 35,293,279 km (0.093 R)
• M27: 36,351,834 km (0.099 R)
• M28: 41,833,549 km (0.038 R)
• M29: 45,456,809 km (0.033 R)
• M30: 47,132,305 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.7

Radius: 3.1

Gravity: 102.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.53 AU - 9.27 AU

Year: 14337 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 68,851,839 km

• M1: 42,336 km (0.12 R)
• M2: 148,700 km (0.12 R)
• M3: 266,135 km (0.097 R)
• M4: 426,653 km (0.059 R)
• M5: 580,889 km (0.086 R)
• M6: 1,139,786 km (0.076 R)
• M7: 1,393,055 km (0.104 R)
• M8: 1,716,785 km (0.106 R)
• M9: 1,952,851 km (0.069 R)
• M10: 2,272,392 km (0.055 R)
• M11: 2,444,728 km (0.104 R)
• M12: 2,579,516 km (0.048 R)
• M13: 3,169,530 km (0.078 R)
• M14: 3,275,894 km (0.106 R)
• M15: 3,755,206 km (0.097 R)
• M16: 3,904,654 km (0.109 R)
• M17: 4,576,049 km (0.111 R)
• M18: 5,136,742 km (0.116 R)
• M19: 6,225,964 km (0.09 R)
• M20: 6,393,215 km (0.093 R)
• M21: 7,554,094 km (0.085 R)
• M22: 7,744,233 km (0.104 R)
• M23: 8,691,935 km (0.057 R)
• M24: 11,177,953 km (0.057 R)
• M25: 12,384,011 km (0.083 R)
• M26: 12,648,650 km (0.114 R)
• M27: 13,674,293 km (0.094 R)
• M28: 15,352,631 km (0.119 R)
• M29: 16,677,919 km (0.118 R)
• M30: 18,936,398 km (0.12 R)
• M31: 19,199,241 km (0.114 R)
• M32: 19,912,225 km (0.085 R)
• M33: 20,184,044 km (0.09 R)
• M34: 24,876,331 km (0.085 R)
• M35: 26,698,283 km (0.102 R)
• M36: 28,263,825 km (0.075 R)
• M37: 30,126,917 km (0.114 R)
• M38: 34,095,150 km (0.108 R)
• M39: 34,224,552 km (0.11 R)
• M40: 42,447,797 km (0.117 R)
• M41: 43,048,732 km (0.1 R)
• M42: 54,148,595 km (0.103 R)
• M43: 55,567,680 km (0.07 R)
• M44: 56,648,226 km (0.113 R)
• M45: 64,805,050 km (0.06 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 15,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit