🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 13.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.69 AU - 0.83 AU

Year: 449 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,317,857 km

• M1: 165,455 km (0.076 R)
• M2: 601,982 km (0.12 R)
• M3: 1,019,210 km (0.115 R)
• M4: 1,562,101 km (0.079 R)
• M5: 2,340,608 km (0.112 R)
• M6: 3,331,096 km (0.114 R)
• M7: 4,083,124 km (0.081 R)
• M8: 4,990,435 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 13.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.03 AU - 1.19 AU

Year: 793 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 99 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,317,857 km

• M1: 165,605 km (0.108 R)
• M2: 659,727 km (0.111 R)
• M3: 1,181,075 km (0.11 R)
• M4: 1,896,452 km (0.107 R)
• M5: 2,661,047 km (0.097 R)
• M6: 4,290,766 km (0.094 R)
• M7: 5,190,448 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 13.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1 AU - 1.56 AU

Year: 982 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,317,857 km

• M1: 164,109 km (0.098 R)
• M2: 592,408 km (0.063 R)
• M3: 1,100,442 km (0.091 R)
• M4: 1,609,673 km (0.11 R)
• M5: 2,206,120 km (0.088 R)
• M6: 2,826,951 km (0.095 R)
• M7: 3,384,203 km (0.107 R)
• M8: 4,105,863 km (0.115 R)
• M9: 4,520,548 km (0.098 R)
• M10: 4,963,209 km (0.113 R)
• M11: 6,076,815 km (0.04 R)
• M12: 8,211,278 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 12

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.43 AU - 1.77 AU

Year: 1373 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,317,857 km

• M1: 149,299 km (0.094 R)
• M2: 597,793 km (0.08 R)
• M3: 978,819 km (0.053 R)
• M4: 1,538,315 km (0.041 R)
• M5: 2,062,057 km (0.066 R)
• M6: 2,472,105 km (0.11 R)
• M7: 3,009,760 km (0.066 R)
• M8: 3,765,827 km (0.105 R)
• M9: 4,243,493 km (0.12 R)
• M10: 4,677,776 km (0.072 R)
• M11: 5,449,551 km (0.03 R)
• M12: 6,202,926 km (0.107 R)
• M13: 6,678,947 km (0.114 R)
• M14: 7,246,521 km (0.12 R)
• M15: 8,085,167 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 11.8

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.43 AU - 1.93 AU

Year: 1477 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,317,857 km

• M1: 146,756 km (0.095 R)
• M2: 1,048,382 km (0.12 R)
• M3: 1,643,632 km (0.094 R)
• M4: 2,155,107 km (0.093 R)
• M5: 2,558,124 km (0.089 R)
• M6: 2,982,682 km (0.089 R)
• M7: 3,617,127 km (0.092 R)
• M8: 4,320,985 km (0.086 R)
• M9: 4,745,843 km (0.034 R)
• M10: 5,501,611 km (0.093 R)
• M11: 5,908,817 km (0.12 R)
• M12: 7,015,691 km (0.105 R)
• M13: 7,550,055 km (0.054 R)
• M14: 8,053,901 km (0.069 R)
• M15: 9,572,768 km (0.062 R)
• M16: 10,989,460 km (0.112 R)
• M17: 13,370,160 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 12.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.1 AU - 2.28 AU

Year: 2198 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,317,857 km

• M1: 160,070 km (0.085 R)
• M2: 669,899 km (0.031 R)
• M3: 1,074,562 km (0.051 R)
• M4: 1,763,908 km (0.112 R)
• M5: 2,455,799 km (0.114 R)
• M6: 3,049,104 km (0.083 R)
• M7: 3,827,312 km (0.04 R)
• M8: 4,905,613 km (0.114 R)
• M9: 5,587,032 km (0.068 R)
• M10: 6,699,890 km (0.12 R)
• M11: 7,111,434 km (0.09 R)
• M12: 9,429,603 km (0.092 R)
• M13: 10,267,650 km (0.066 R)
• M14: 12,539,144 km (0.076 R)
• M15: 13,770,634 km (0.033 R)
• M16: 14,574,722 km (0.118 R)
• M17: 15,127,785 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 8.3

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.21 AU - 5.03 AU

Year: 5672 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,317,857 km

• M1: 103,223 km (0.106 R)
• M2: 533,466 km (0.058 R)
• M3: 802,892 km (0.119 R)
• M4: 1,314,367 km (0.113 R)
• M5: 2,057,120 km (0.062 R)
• M6: 2,338,664 km (0.097 R)
• M7: 2,612,428 km (0.048 R)
• M8: 2,943,787 km (0.101 R)
• M9: 3,225,180 km (0.112 R)
• M10: 3,607,553 km (0.102 R)
• M11: 3,952,675 km (0.119 R)
• M12: 5,283,498 km (0.09 R)
• M13: 6,080,705 km (0.083 R)
• M14: 7,665,245 km (0.087 R)
• M15: 10,042,056 km (0.101 R)
• M16: 14,521,017 km (0.074 R)
• M17: 16,835,146 km (0.078 R)
• M18: 17,133,145 km (0.101 R)
• M19: 18,996,237 km (0.086 R)
• M20: 20,716,762 km (0.041 R)
• M21: 21,059,191 km (0.086 R)
• M22: 23,637,062 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 10.3

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.91 AU - 5.65 AU

Year: 8229 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,317,857 km

• M1: 134,488 km (0.12 R)
• M2: 607,966 km (0.074 R)
• M3: 957,426 km (0.115 R)
• M4: 1,734,288 km (0.092 R)
• M5: 2,063,254 km (0.113 R)
• M6: 2,451,460 km (0.085 R)
• M7: 2,946,480 km (0.055 R)
• M8: 3,618,623 km (0.082 R)
• M9: 4,760,354 km (0.093 R)
• M10: 7,221,837 km (0.118 R)
• M11: 7,589,399 km (0.107 R)
• M12: 8,282,486 km (0.085 R)
• M13: 10,199,882 km (0.093 R)
• M14: 12,817,845 km (0.042 R)
• M15: 16,287,917 km (0.109 R)
• M16: 17,969,547 km (0.076 R)
• M17: 21,223,300 km (0.051 R)
• M18: 25,184,054 km (0.075 R)
• M19: 28,870,893 km (0.114 R)
• M20: 30,081,289 km (0.087 R)
• M21: 31,035,125 km (0.059 R)
• M22: 33,204,444 km (0.033 R)
• M23: 34,429,352 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 5.9

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.85 AU - 9.05 AU

Year: 13792 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,317,857 km

• M1: 73,303 km (0.114 R)
• M2: 301,889 km (0.114 R)
• M3: 522,994 km (0.073 R)
• M4: 733,030 km (0.062 R)
• M5: 1,331,271 km (0.051 R)
• M6: 1,637,199 km (0.098 R)
• M7: 2,390,125 km (0.111 R)
• M8: 2,599,413 km (0.058 R)
• M9: 2,936,307 km (0.081 R)
• M10: 3,724,837 km (0.118 R)
• M11: 4,940,021 km (0.114 R)
• M12: 5,142,726 km (0.118 R)
• M13: 7,097,970 km (0.06 R)
• M14: 7,938,411 km (0.112 R)
• M15: 8,843,179 km (0.108 R)
• M16: 11,491,061 km (0.084 R)
• M17: 14,417,944 km (0.119 R)
• M18: 16,348,803 km (0.103 R)
• M19: 17,182,662 km (0.081 R)
• M20: 18,284,450 km (0.037 R)
• M21: 20,540,984 km (0.098 R)
• M22: 22,419,634 km (0.115 R)
• M23: 24,118,468 km (0.09 R)
• M24: 32,476,800 km (0.065 R)
• M25: 33,429,739 km (0.12 R)
• M26: 34,770,435 km (0.111 R)
• M27: 37,298,938 km (0.115 R)
• M28: 42,436,129 km (0.073 R)
• M29: 48,178,742 km (0.077 R)
• M30: 49,573,742 km (0.095 R)
• M31: 53,096,772 km (0.087 R)
• M32: 55,087,022 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975

Radius: 3.5

Gravity: 79.59 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.57 AU - 8.89 AU

Year: 14577 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,317,857 km

• M1: 43,533 km (0.115 R)
• M2: 182,061 km (0.116 R)
• M3: 402,269 km (0.055 R)
• M4: 518,656 km (0.116 R)
• M5: 1,233,285 km (0.061 R)
• M6: 1,362,089 km (0.077 R)
• M7: 1,698,385 km (0.064 R)
• M8: 2,718,493 km (0.09 R)
• M9: 4,679,571 km (0.107 R)
• M10: 7,656,868 km (0.106 R)
• M11: 8,912,293 km (0.071 R)
• M12: 9,125,171 km (0.117 R)
• M13: 9,560,950 km (0.06 R)
• M14: 9,953,644 km (0.086 R)
• M15: 12,274,505 km (0.102 R)
• M16: 12,471,825 km (0.104 R)
• M17: 13,420,425 km (0.118 R)
• M18: 13,983,661 km (0.099 R)
• M19: 18,545,947 km (0.106 R)
• M20: 18,805,799 km (0.025 R)
• M21: 19,244,120 km (0.105 R)
• M22: 19,779,082 km (0.027 R)
• M23: 25,153,236 km (0.089 R)
• M24: 25,792,468 km (0.047 R)
• M25: 29,035,451 km (0.059 R)
• M26: 30,935,942 km (0.115 R)
• M27: 31,301,260 km (0.095 R)
• M28: 43,038,709 km (0.064 R)
• M29: 45,347,004 km (0.096 R)
• M30: 48,224,220 km (0.08 R)
• M31: 49,874,135 km (0.053 R)
• M32: 51,561,300 km (0.106 R)
• M33: 52,074,720 km (0.101 R)
• M34: 60,002,060 km (0.103 R)
• M35: 61,716,901 km (0.086 R)
• M36: 65,443,833 km (0.105 R)
• M37: 65,643,994 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 11,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit