🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 11.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.93 AU - 1.29 AU

Year: 780 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,995,088 km

• M1: 139,276 km (0.1 R)
• M2: 597,643 km (0.11 R)
• M3: 1,045,091 km (0.047 R)
• M4: 1,424,172 km (0.035 R)
• M5: 1,787,096 km (0.05 R)
• M6: 2,171,114 km (0.067 R)
• M7: 2,815,133 km (0.112 R)
• M8: 3,524,526 km (0.113 R)
• M9: 3,976,760 km (0.078 R)
• M10: 4,467,441 km (0.076 R)
• M11: 5,072,265 km (0.08 R)
• M12: 5,492,187 km (0.1 R)
• M13: 6,533,537 km (0.056 R)
• M14: 7,361,562 km (0.114 R)
• M15: 8,053,003 km (0.066 R)
• M16: 8,546,377 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.1

Radius: 14.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.94 AU - 1.34 AU

Year: 812 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,995,088 km

• M1: 240,404 km (0.112 R)
• M2: 799,601 km (0.046 R)
• M3: 1,538,764 km (0.03 R)
• M4: 1,987,258 km (0.066 R)
• M5: 2,436,052 km (0.042 R)
• M6: 4,150,294 km (0.094 R)
• M7: 4,697,822 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.24 AU - 1.48 AU

Year: 1058 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,995,088 km

• M1: 99,483 km (0.073 R)
• M2: 372,947 km (0.086 R)
• M3: 646,113 km (0.119 R)
• M4: 1,041,800 km (0.062 R)
• M5: 1,503,010 km (0.027 R)
• M6: 1,904,830 km (0.065 R)
• M7: 2,227,662 km (0.071 R)
• M8: 2,576,075 km (0.096 R)
• M9: 3,241,935 km (0.086 R)
• M10: 4,271,318 km (0.105 R)
• M11: 4,877,938 km (0.078 R)
• M12: 5,432,048 km (0.08 R)
• M13: 5,969,853 km (0.058 R)
• M14: 6,421,189 km (0.111 R)
• M15: 6,874,022 km (0.087 R)
• M16: 7,304,116 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 10.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.78 AU - 2.84 AU

Year: 3141 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,995,088 km

• M1: 134,638 km (0.104 R)
• M2: 469,588 km (0.081 R)
• M3: 1,548,936 km (0.116 R)
• M4: 2,445,476 km (0.054 R)
• M5: 3,281,280 km (0.081 R)
• M6: 3,958,360 km (0.092 R)
• M7: 7,002,527 km (0.075 R)
• M8: 8,057,042 km (0.108 R)
• M9: 8,745,791 km (0.11 R)
• M10: 9,141,028 km (0.107 R)
• M11: 10,478,882 km (0.068 R)
• M12: 11,468,921 km (0.115 R)
• M13: 12,747,085 km (0.108 R)
• M14: 18,000,065 km (0.108 R)
• M15: 19,845,055 km (0.111 R)
• M16: 21,747,491 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 10.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.03 AU - 4.59 AU

Year: 4959 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 96,995,088 km

• M1: 130,449 km (0.049 R)
• M2: 512,971 km (0.054 R)
• M3: 1,189,901 km (0.104 R)
• M4: 1,577,360 km (0.118 R)
• M5: 2,005,359 km (0.092 R)
• M6: 2,544,510 km (0.059 R)
• M7: 3,218,598 km (0.076 R)
• M8: 4,576,199 km (0.083 R)
• M9: 5,226,052 km (0.106 R)
• M10: 5,573,418 km (0.09 R)
• M11: 6,347,138 km (0.075 R)
• M12: 7,120,709 km (0.119 R)
• M13: 7,695,015 km (0.101 R)
• M14: 8,377,780 km (0.093 R)
• M15: 9,647,866 km (0.095 R)
• M16: 11,713,962 km (0.094 R)
• M17: 12,928,846 km (0.034 R)
• M18: 13,351,909 km (0.117 R)
• M19: 15,137,509 km (0.114 R)
• M20: 15,667,235 km (0.1 R)
• M21: 17,715,679 km (0.12 R)
• M22: 18,703,474 km (0.067 R)
• M23: 19,797,184 km (0.075 R)
• M24: 20,288,762 km (0.085 R)
• M25: 23,725,026 km (0.085 R)
• M26: 24,762,337 km (0.091 R)
• M27: 25,663,515 km (0.063 R)
• M28: 27,967,920 km (0.052 R)
• M29: 31,250,546 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 11.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.37 AU - 4.99 AU

Year: 5699 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,995,088 km

• M1: 148,102 km (0.058 R)
• M2: 604,076 km (0.097 R)
• M3: 1,348,475 km (0.06 R)
• M4: 1,812,827 km (0.111 R)
• M5: 2,450,413 km (0.091 R)
• M6: 2,897,711 km (0.102 R)
• M7: 3,442,247 km (0.118 R)
• M8: 4,102,273 km (0.116 R)
• M9: 4,475,819 km (0.086 R)
• M10: 5,093,359 km (0.12 R)
• M11: 7,508,916 km (0.118 R)
• M12: 9,795,818 km (0.098 R)
• M13: 10,467,662 km (0.111 R)
• M14: 11,074,581 km (0.041 R)
• M15: 11,903,503 km (0.104 R)
• M16: 13,250,631 km (0.087 R)
• M17: 19,877,219 km (0.11 R)
• M18: 23,460,836 km (0.097 R)
• M19: 28,970,824 km (0.106 R)
• M20: 31,976,096 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 14.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.81 AU - 5.99 AU

Year: 8368 Days

Day: 6.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,995,088 km

• M1: 193,729 km (0.078 R)
• M2: 930,798 km (0.041 R)
• M3: 2,586,398 km (0.077 R)
• M4: 3,203,339 km (0.102 R)
• M5: 4,020,592 km (0.113 R)
• M6: 5,866,181 km (0.092 R)
• M7: 8,266,928 km (0.114 R)
• M8: 9,104,826 km (0.063 R)
• M9: 10,847,042 km (0.087 R)
• M10: 11,368,391 km (0.091 R)
• M11: 12,461,203 km (0.06 R)
• M12: 13,326,029 km (0.062 R)
• M13: 19,607,643 km (0.088 R)
• M14: 22,661,983 km (0.099 R)
• M15: 24,302,473 km (0.108 R)
• M16: 25,287,575 km (0.036 R)
• M17: 26,113,356 km (0.048 R)
• M18: 30,617,747 km (0.079 R)
• M19: 36,305,010 km (0.041 R)
• M20: 37,120,767 km (0.051 R)
• M21: 41,132,234 km (0.111 R)
• M22: 42,018,900 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.1

Radius: 3.1

Gravity: 68.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.08 AU - 11.06 AU

Year: 22916 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 96,995,088 km

• M1: 92,751 km (0.054 R)
• M2: 249,978 km (0.104 R)
• M3: 356,641 km (0.12 R)
• M4: 584,778 km (0.049 R)
• M5: 686,505 km (0.102 R)
• M6: 821,891 km (0.101 R)
• M7: 950,246 km (0.119 R)
• M8: 1,692,999 km (0.079 R)
• M9: 1,961,826 km (0.091 R)
• M10: 2,808,999 km (0.1 R)
• M11: 3,074,386 km (0.036 R)
• M12: 3,185,088 km (0.119 R)
• M13: 5,143,923 km (0.082 R)
• M14: 7,283,322 km (0.098 R)
• M15: 7,580,274 km (0.087 R)
• M16: 10,626,685 km (0.104 R)
• M17: 13,201,264 km (0.091 R)
• M18: 25,099,082 km (0.119 R)
• M19: 25,210,981 km (0.045 R)
• M20: 27,876,815 km (0.046 R)
• M21: 30,852,766 km (0.102 R)
• M22: 41,503,835 km (0.043 R)
• M23: 43,407,468 km (0.113 R)
• M24: 45,037,785 km (0.066 R)
• M25: 49,818,634 km (0.029 R)
• M26: 54,550,864 km (0.071 R)
• M27: 60,573,823 km (0.083 R)
• M28: 72,548,983 km (0.079 R)
• M29: 72,776,073 km (0.197 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.6

Radius: 7.3

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.86 AU - 11.94 AU

Year: 23998 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,995,088 km

• M1: 90,956 km (0.101 R)
• M2: 809,324 km (0.109 R)
• M3: 1,430,455 km (0.072 R)
• M4: 1,774,380 km (0.098 R)
• M5: 2,263,865 km (0.049 R)
• M6: 2,867,342 km (0.103 R)
• M7: 4,035,552 km (0.104 R)
• M8: 5,200,920 km (0.103 R)
• M9: 6,769,453 km (0.075 R)
• M10: 7,270,157 km (0.087 R)
• M11: 8,122,416 km (0.036 R)
• M12: 9,279,107 km (0.106 R)
• M13: 12,719,709 km (0.083 R)
• M14: 15,096,819 km (0.038 R)
• M15: 17,476,023 km (0.117 R)
• M16: 20,298,037 km (0.092 R)
• M17: 23,409,972 km (0.111 R)
• M18: 24,321,472 km (0.086 R)
• M19: 27,073,325 km (0.117 R)
• M20: 27,446,871 km (0.047 R)
• M21: 36,411,075 km (0.072 R)
• M22: 40,321,712 km (0.114 R)
• M23: 42,294,460 km (0.113 R)
• M24: 47,687,164 km (0.049 R)
• M25: 48,050,088 km (0.118 R)
• M26: 49,334,535 km (0.109 R)
• M27: 53,912,679 km (0.083 R)
• M28: 58,558,142 km (0.12 R)
• M29: 64,564,945 km (0.031 R)
• M30: 70,029,905 km (0.1 R)
• M31: 73,115,062 km (0.078 R)
• M32: 88,806,532 km (0.119 R)
• M33: 95,261,231 km (0.104 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: 323 - 16,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit