🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 12.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.52 AU - 0.66 AU

Year: 319 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,189,197 km

• M1: 161,715 km (0.082 R)
• M2: 583,132 km (0.084 R)
• M3: 1,150,108 km (0.08 R)
• M4: 1,693,448 km (0.088 R)
• M5: 2,114,865 km (0.111 R)
• M6: 2,741,979 km (0.118 R)
• M7: 3,156,964 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 12.2

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 982 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,189,197 km

• M1: 152,141 km (0.079 R)
• M2: 538,852 km (0.096 R)
• M3: 1,030,430 km (0.071 R)
• M4: 1,493,136 km (0.086 R)
• M5: 2,006,706 km (0.083 R)
• M6: 2,875,121 km (0.107 R)
• M7: 3,327,505 km (0.119 R)
• M8: 4,031,064 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 12.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.39 AU - 1.53 AU

Year: 1240 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,189,197 km

• M1: 160,369 km (0.079 R)
• M2: 569,369 km (0.053 R)
• M3: 1,016,518 km (0.11 R)
• M4: 1,431,652 km (0.119 R)
• M5: 2,812,590 km (0.11 R)
• M6: 3,830,154 km (0.097 R)
• M7: 4,242,446 km (0.109 R)
• M8: 4,758,110 km (0.117 R)
• M9: 8,206,790 km (0.075 R)
• M10: 8,982,305 km (0.093 R)
• M11: 9,595,507 km (0.094 R)
• M12: 10,456,442 km (0.113 R)
• M13: 11,234,800 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 14.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.19 AU - 1.83 AU

Year: 1304 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,189,197 km

• M1: 182,360 km (0.047 R)
• M2: 638,933 km (0.059 R)
• M3: 1,110,914 km (0.063 R)
• M4: 1,912,160 km (0.075 R)
• M5: 3,196,009 km (0.072 R)
• M6: 4,726,545 km (0.117 R)
• M7: 5,806,342 km (0.104 R)
• M8: 6,265,009 km (0.06 R)
• M9: 7,327,005 km (0.052 R)
• M10: 7,939,159 km (0.114 R)
• M11: 8,427,147 km (0.096 R)
• M12: 9,406,864 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 10.6

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.8 AU - 1.96 AU

Year: 1812 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,189,197 km

• M1: 131,796 km (0.116 R)
• M2: 568,023 km (0.103 R)
• M3: 958,025 km (0.107 R)
• M4: 1,294,171 km (0.059 R)
• M5: 1,711,100 km (0.112 R)
• M6: 2,927,630 km (0.096 R)
• M7: 3,568,059 km (0.117 R)
• M8: 4,339,535 km (0.075 R)
• M9: 4,949,894 km (0.084 R)
• M10: 6,212,500 km (0.116 R)
• M11: 6,795,334 km (0.094 R)
• M12: 7,827,709 km (0.111 R)
• M13: 8,508,229 km (0.091 R)
• M14: 9,261,305 km (0.058 R)
• M15: 9,810,928 km (0.118 R)
• M16: 12,682,758 km (0.071 R)
• M17: 14,882,744 km (0.071 R)
• M18: 15,781,678 km (0.052 R)
• M19: 16,566,468 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 9.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.57 AU - 3.13 AU

Year: 3382 Days

Day: 13.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,189,197 km

• M1: 118,332 km (0.097 R)
• M2: 448,195 km (0.039 R)
• M3: 772,224 km (0.074 R)
• M4: 1,694,495 km (0.093 R)
• M5: 2,160,941 km (0.08 R)
• M6: 2,618,711 km (0.051 R)
• M7: 3,444,491 km (0.114 R)
• M8: 4,390,847 km (0.112 R)
• M9: 5,226,202 km (0.09 R)
• M10: 5,708,056 km (0.074 R)
• M11: 6,302,558 km (0.09 R)
• M12: 6,848,740 km (0.1 R)
• M13: 8,923,663 km (0.09 R)
• M14: 9,687,360 km (0.069 R)
• M15: 13,183,312 km (0.119 R)
• M16: 13,933,246 km (0.089 R)
• M17: 18,230,146 km (0.087 R)
• M18: 19,698,000 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207

Radius: 7.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.88 AU - 6.1 AU

Year: 10305 Days

Day: 17.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,189,197 km

• M1: 98,286 km (0.11 R)
• M2: 405,560 km (0.042 R)
• M3: 660,175 km (0.1 R)
• M4: 1,465,311 km (0.066 R)
• M5: 2,009,399 km (0.08 R)
• M6: 3,059,875 km (0.101 R)
• M7: 3,345,607 km (0.091 R)
• M8: 4,312,009 km (0.106 R)
• M9: 5,661,382 km (0.042 R)
• M10: 6,125,584 km (0.07 R)
• M11: 7,130,134 km (0.066 R)
• M12: 9,807,038 km (0.101 R)
• M13: 10,295,475 km (0.072 R)
• M14: 12,412,285 km (0.074 R)
• M15: 14,517,576 km (0.113 R)
• M16: 15,864,854 km (0.12 R)
• M17: 17,940,824 km (0.06 R)
• M18: 18,204,116 km (0.097 R)
• M19: 18,806,098 km (0.106 R)
• M20: 24,189,228 km (0.089 R)
• M21: 25,658,728 km (0.105 R)
• M22: 26,670,907 km (0.113 R)
• M23: 28,238,692 km (0.114 R)
• M24: 28,954,967 km (0.045 R)
• M25: 30,423,420 km (0.115 R)
• M26: 32,425,488 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.3

Radius: 4.1

Gravity: 54.57 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.45 AU - 6.81 AU

Year: 10668 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 31,189,197 km

• M1: 51,162 km (0.056 R)
• M2: 198,965 km (0.104 R)
• M3: 954,135 km (0.095 R)
• M4: 1,159,982 km (0.094 R)
• M5: 1,553,873 km (0.087 R)
• M6: 1,757,177 km (0.114 R)
• M7: 2,819,920 km (0.08 R)
• M8: 3,245,227 km (0.08 R)
• M9: 3,578,082 km (0.1 R)
• M10: 5,415,293 km (0.04 R)
• M11: 8,163,257 km (0.059 R)
• M12: 8,777,356 km (0.104 R)
• M13: 8,923,214 km (0.119 R)
• M14: 9,938,235 km (0.094 R)
• M15: 10,637,755 km (0.089 R)
• M16: 11,601,464 km (0.094 R)
• M17: 12,870,204 km (0.097 R)
• M18: 13,185,407 km (0.055 R)
• M19: 15,751,609 km (0.098 R)
• M20: 18,234,335 km (0.069 R)
• M21: 18,712,001 km (0.093 R)
• M22: 21,666,858 km (0.081 R)
• M23: 22,473,939 km (0.117 R)
• M24: 23,208,015 km (0.119 R)
• M25: 23,958,099 km (0.11 R)
• M26: 26,204,012 km (0.117 R)
• M27: 26,405,670 km (0.103 R)
• M28: 29,447,892 km (0.087 R)
• M29: 31,222,272 km (0.109 R)
• M30: 32,832,245 km (0.09 R)
• M31: 33,538,945 km (0.119 R)
• M32: 37,097,729 km (0.075 R)
• M33: 40,226,867 km (0.091 R)
• M34: 44,954,310 km (0.096 R)
• M35: 46,412,141 km (0.06 R)
• M36: 46,707,447 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.6

Radius: 7.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.78 AU - 7.43 AU

Year: 11919 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,189,197 km

• M1: 291,417 km (0.119 R)
• M2: 798,853 km (0.101 R)
• M3: 1,265,299 km (0.052 R)
• M4: 1,933,403 km (0.103 R)
• M5: 2,283,761 km (0.034 R)
• M6: 3,817,887 km (0.119 R)
• M7: 6,392,616 km (0.071 R)
• M8: 7,019,581 km (0.106 R)
• M9: 9,657,141 km (0.103 R)
• M10: 10,988,712 km (0.099 R)
• M11: 12,382,665 km (0.103 R)
• M12: 13,591,565 km (0.086 R)
• M13: 14,814,228 km (0.055 R)
• M14: 17,973,436 km (0.091 R)
• M15: 20,677,418 km (0.1 R)
• M16: 21,554,959 km (0.1 R)
• M17: 25,224,295 km (0.103 R)
• M18: 32,797,987 km (0.089 R)
• M19: 38,929,704 km (0.116 R)
• M20: 42,263,942 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.3

Radius: 3.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.93 AU - 7.95 AU

Year: 15727 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,189,197 km

• M1: 45,328 km (0.079 R)
• M2: 367,412 km (0.032 R)
• M3: 804,388 km (0.062 R)
• M4: 1,205,160 km (0.091 R)
• M5: 1,473,689 km (0.085 R)
• M6: 2,452,507 km (0.05 R)
• M7: 2,978,494 km (0.11 R)
• M8: 3,135,871 km (0.12 R)
• M9: 4,008,325 km (0.076 R)
• M10: 5,782,257 km (0.097 R)
• M11: 10,911,519 km (0.081 R)
• M12: 12,011,662 km (0.115 R)
• M13: 14,541,960 km (0.103 R)
• M14: 17,154,089 km (0.089 R)
• M15: 18,438,386 km (0.112 R)
• M16: 19,785,366 km (0.096 R)
• M17: 22,673,502 km (0.086 R)
• M18: 23,129,626 km (0.117 R)
• M19: 23,359,857 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 19,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit