🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 13.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,665,870 km

• M1: 163,062 km (0.055 R)
• M2: 623,225 km (0.033 R)
• M3: 1,178,532 km (0.103 R)
• M4: 2,017,327 km (0.116 R)
• M5: 2,721,784 km (0.084 R)
• M6: 3,193,316 km (0.087 R)
• M7: 4,404,012 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 12.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.18 AU - 1.7 AU

Year: 1172 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,665,870 km

• M1: 157,975 km (0.076 R)
• M2: 1,293,722 km (0.115 R)
• M3: 1,692,550 km (0.091 R)
• M4: 2,361,702 km (0.098 R)
• M5: 3,533,950 km (0.051 R)
• M6: 4,070,408 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 12.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.59 AU - 2.01 AU

Year: 1638 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,665,870 km

• M1: 159,322 km (0.055 R)
• M2: 662,270 km (0.033 R)
• M3: 1,136,196 km (0.057 R)
• M4: 1,809,087 km (0.049 R)
• M5: 2,281,816 km (0.114 R)
• M6: 2,736,145 km (0.078 R)
• M7: 3,365,204 km (0.078 R)
• M8: 4,032,560 km (0.101 R)
• M9: 4,641,124 km (0.113 R)
• M10: 5,355,454 km (0.049 R)
• M11: 6,576,472 km (0.071 R)
• M12: 7,004,172 km (0.093 R)
• M13: 8,904,813 km (0.058 R)
• M14: 10,149,168 km (0.069 R)
• M15: 12,089,902 km (0.101 R)
• M16: 13,400,678 km (0.106 R)
• M17: 14,311,131 km (0.066 R)
• M18: 14,713,699 km (0.028 R)
• M19: 15,872,035 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 10.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.14 AU - 3.08 AU

Year: 2860 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,665,870 km

• M1: 131,347 km (0.05 R)
• M2: 587,770 km (0.052 R)
• M3: 1,113,607 km (0.08 R)
• M4: 1,806,245 km (0.042 R)
• M5: 3,012,901 km (0.096 R)
• M6: 4,228,234 km (0.11 R)
• M7: 6,529,349 km (0.098 R)
• M8: 7,410,031 km (0.096 R)
• M9: 9,561,847 km (0.104 R)
• M10: 10,662,738 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.5

Radius: 10.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.82 AU - 4.66 AU

Year: 5922 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,665,870 km

• M1: 126,709 km (0.103 R)
• M2: 482,453 km (0.105 R)
• M3: 896,540 km (0.115 R)
• M4: 1,234,930 km (0.11 R)
• M5: 1,777,671 km (0.046 R)
• M6: 2,490,505 km (0.033 R)
• M7: 2,941,842 km (0.118 R)
• M8: 3,404,848 km (0.085 R)
• M9: 3,732,467 km (0.059 R)
• M10: 4,081,329 km (0.036 R)
• M11: 4,528,776 km (0.094 R)
• M12: 5,232,634 km (0.055 R)
• M13: 5,791,981 km (0.04 R)
• M14: 6,688,521 km (0.104 R)
• M15: 7,205,531 km (0.059 R)
• M16: 8,049,861 km (0.11 R)
• M17: 8,635,238 km (0.101 R)
• M18: 9,082,236 km (0.111 R)
• M19: 9,587,578 km (0.114 R)
• M20: 10,886,387 km (0.033 R)
• M21: 12,400,467 km (0.113 R)
• M22: 13,995,030 km (0.109 R)
• M23: 14,957,094 km (0.046 R)
• M24: 17,781,053 km (0.109 R)
• M25: 18,976,939 km (0.049 R)
• M26: 21,015,210 km (0.072 R)
• M27: 22,427,114 km (0.084 R)
• M28: 31,675,404 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.3

Radius: 10.2

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.21 AU - 4.27 AU

Year: 5922 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,665,870 km

• M1: 126,859 km (0.092 R)
• M2: 522,545 km (0.107 R)
• M3: 1,135,597 km (0.115 R)
• M4: 1,675,347 km (0.118 R)
• M5: 2,104,692 km (0.093 R)
• M6: 2,448,169 km (0.085 R)
• M7: 3,271,107 km (0.094 R)
• M8: 4,553,759 km (0.062 R)
• M9: 5,608,873 km (0.103 R)
• M10: 7,655,073 km (0.114 R)
• M11: 9,226,149 km (0.118 R)
• M12: 11,294,041 km (0.084 R)
• M13: 12,201,801 km (0.098 R)
• M14: 14,334,618 km (0.118 R)
• M15: 15,764,324 km (0.075 R)
• M16: 19,822,615 km (0.091 R)
• M17: 21,518,457 km (0.104 R)
• M18: 21,899,483 km (0.073 R)
• M19: 22,832,525 km (0.076 R)
• M20: 25,705,103 km (0.083 R)
• M21: 27,272,440 km (0.104 R)
• M22: 30,405,318 km (0.107 R)
• M23: 33,872,847 km (0.042 R)
• M24: 35,225,362 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 9.6

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.51 AU - 5.69 AU

Year: 8988 Days

Day: 6 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,665,870 km

• M1: 120,576 km (0.115 R)
• M2: 601,982 km (0.078 R)
• M3: 972,985 km (0.102 R)
• M4: 1,734,139 km (0.049 R)
• M5: 2,089,583 km (0.094 R)
• M6: 2,811,243 km (0.099 R)
• M7: 3,198,103 km (0.079 R)
• M8: 5,476,180 km (0.032 R)
• M9: 9,447,106 km (0.106 R)
• M10: 10,946,824 km (0.075 R)
• M11: 11,395,917 km (0.11 R)
• M12: 12,871,850 km (0.029 R)
• M13: 13,827,930 km (0.094 R)
• M14: 15,195,853 km (0.091 R)
• M15: 17,112,949 km (0.095 R)
• M16: 17,786,289 km (0.034 R)
• M17: 19,402,096 km (0.094 R)
• M18: 22,124,029 km (0.072 R)
• M19: 25,091,004 km (0.074 R)
• M20: 26,490,941 km (0.09 R)
• M21: 31,600,456 km (0.089 R)
• M22: 32,205,878 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.8

Radius: 8

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.52 AU - 8.98 AU

Year: 14633 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,665,870 km

• M1: 99,632 km (0.119 R)
• M2: 365,168 km (0.055 R)
• M3: 694,284 km (0.11 R)
• M4: 1,195,586 km (0.087 R)
• M5: 1,613,712 km (0.064 R)
• M6: 1,884,335 km (0.101 R)
• M7: 2,265,510 km (0.056 R)
• M8: 4,393,839 km (0.031 R)
• M9: 5,391,956 km (0.112 R)
• M10: 6,703,032 km (0.049 R)
• M11: 7,501,735 km (0.049 R)
• M12: 8,816,700 km (0.117 R)
• M13: 9,829,777 km (0.054 R)
• M14: 11,278,333 km (0.117 R)
• M15: 12,277,048 km (0.113 R)
• M16: 13,130,804 km (0.045 R)
• M17: 13,744,753 km (0.104 R)
• M18: 18,505,556 km (0.116 R)
• M19: 19,190,265 km (0.098 R)
• M20: 20,159,360 km (0.118 R)
• M21: 27,542,913 km (0.104 R)
• M22: 29,926,306 km (0.114 R)
• M23: 31,953,806 km (0.112 R)
• M24: 32,443,889 km (0.059 R)
• M25: 35,229,251 km (0.103 R)
• M26: 36,015,837 km (0.084 R)
• M27: 46,230,380 km (0.069 R)
• M28: 51,238,019 km (0.12 R)
• M29: 63,272,270 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.1

Radius: 6.5

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.95 AU - 9.83 AU

Year: 15032 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,665,870 km

• M1: 80,783 km (0.063 R)
• M2: 393,442 km (0.088 R)
• M3: 630,555 km (0.087 R)
• M4: 1,777,223 km (0.092 R)
• M5: 2,365,741 km (0.118 R)
• M6: 3,633,732 km (0.098 R)
• M7: 5,373,855 km (0.116 R)
• M8: 7,513,553 km (0.091 R)
• M9: 8,419,817 km (0.094 R)
• M10: 10,678,296 km (0.1 R)
• M11: 15,068,844 km (0.105 R)
• M12: 16,425,996 km (0.071 R)
• M13: 18,443,473 km (0.075 R)
• M14: 18,780,965 km (0.11 R)
• M15: 20,171,926 km (0.102 R)
• M16: 32,737,998 km (0.079 R)
• M17: 35,261,864 km (0.117 R)
• M18: 36,571,294 km (0.117 R)
• M19: 50,830,365 km (0.108 R)
• M20: 56,654,210 km (0.063 R)
• M21: 60,650,567 km (0.042 R)
• M22: 61,022,916 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.5

Radius: 6.1

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.11 AU - 9.47 AU

Year: 19205 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,665,870 km

• M1: 86,168 km (0.025 R)
• M2: 798,105 km (0.097 R)
• M3: 1,117,496 km (0.104 R)
• M4: 1,307,635 km (0.107 R)
• M5: 2,523,866 km (0.106 R)
• M6: 2,719,390 km (0.105 R)
• M7: 4,143,562 km (0.09 R)
• M8: 4,385,761 km (0.115 R)
• M9: 5,100,839 km (0.113 R)
• M10: 5,631,313 km (0.117 R)
• M11: 7,139,110 km (0.119 R)
• M12: 8,602,626 km (0.051 R)
• M13: 9,456,231 km (0.067 R)
• M14: 11,566,758 km (0.119 R)
• M15: 13,505,845 km (0.094 R)
• M16: 18,825,396 km (0.094 R)
• M17: 19,156,307 km (0.093 R)
• M18: 22,403,179 km (0.067 R)
• M19: 22,962,226 km (0.119 R)
• M20: 23,245,116 km (0.074 R)
• M21: 23,817,926 km (0.118 R)
• M22: 25,694,033 km (0.116 R)
• M23: 27,879,807 km (0.076 R)
• M24: 30,073,959 km (0.091 R)
• M25: 33,819,591 km (0.103 R)
• M26: 38,924,319 km (0.101 R)
• M27: 39,596,312 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 17,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit