🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 11.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.82 AU - 1.02 AU

Year: 570 Days

Day: 6.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,094,602 km

• M1: 147,952 km (0.103 R)
• M2: 1,377,946 km (0.1 R)
• M3: 1,880,296 km (0.094 R)
• M4: 2,537,479 km (0.102 R)
• M5: 3,457,207 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 14.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.72 AU - 1.12 AU

Year: 570 Days

Day: 12.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,094,602 km

• M1: 185,352 km (0.057 R)
• M2: 688,449 km (0.093 R)
• M3: 1,162,226 km (0.115 R)
• M4: 2,595,074 km (0.089 R)
• M5: 3,365,802 km (0.086 R)
• M6: 4,180,512 km (0.1 R)
• M7: 4,659,525 km (0.112 R)
• M8: 5,123,727 km (0.112 R)
• M9: 6,126,930 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 11.6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.12 AU

Year: 579 Days

Day: 7.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,094,602 km

• M1: 144,512 km (0.114 R)
• M2: 594,203 km (0.073 R)
• M3: 1,177,934 km (0.113 R)
• M4: 2,005,359 km (0.106 R)
• M5: 2,411,218 km (0.106 R)
• M6: 2,814,235 km (0.098 R)
• M7: 3,457,506 km (0.077 R)
• M8: 4,571,861 km (0.084 R)
• M9: 5,055,361 km (0.073 R)
• M10: 5,703,120 km (0.096 R)
• M11: 6,631,075 km (0.119 R)
• M12: 7,274,196 km (0.043 R)
• M13: 7,888,296 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 8.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.77 AU - 1.25 AU

Year: 655 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,094,602 km

• M1: 100,679 km (0.093 R)
• M2: 375,191 km (0.053 R)
• M3: 734,077 km (0.066 R)
• M4: 1,029,533 km (0.115 R)
• M5: 1,812,528 km (0.086 R)
• M6: 2,246,511 km (0.06 R)
• M7: 2,606,743 km (0.038 R)
• M8: 2,974,903 km (0.08 R)
• M9: 3,511,810 km (0.081 R)
• M10: 3,815,643 km (0.081 R)
• M11: 4,252,619 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 10.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.48 AU - 2.24 AU

Year: 1638 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,094,602 km

• M1: 133,142 km (0.109 R)
• M2: 541,694 km (0.113 R)
• M3: 1,178,682 km (0.106 R)
• M4: 1,593,965 km (0.111 R)
• M5: 2,095,417 km (0.052 R)
• M6: 2,465,523 km (0.079 R)
• M7: 3,262,131 km (0.034 R)
• M8: 3,762,985 km (0.082 R)
• M9: 4,148,947 km (0.118 R)
• M10: 5,022,150 km (0.101 R)
• M11: 8,498,206 km (0.063 R)
• M12: 9,641,583 km (0.088 R)
• M13: 11,274,144 km (0.099 R)
• M14: 12,769,525 km (0.08 R)
• M15: 13,202,910 km (0.108 R)
• M16: 13,768,689 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 8.4

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.72 AU - 6.14 AU

Year: 9324 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,094,602 km

• M1: 106,663 km (0.093 R)
• M2: 377,884 km (0.052 R)
• M3: 702,212 km (0.11 R)
• M4: 1,146,219 km (0.027 R)
• M5: 1,507,498 km (0.118 R)
• M6: 1,976,786 km (0.077 R)
• M7: 2,807,354 km (0.093 R)
• M8: 3,115,525 km (0.113 R)
• M9: 3,495,354 km (0.1 R)
• M10: 4,040,788 km (0.096 R)
• M11: 4,493,471 km (0.054 R)
• M12: 4,854,900 km (0.118 R)
• M13: 6,056,919 km (0.085 R)
• M14: 6,922,193 km (0.09 R)
• M15: 7,910,436 km (0.093 R)
• M16: 8,483,546 km (0.057 R)
• M17: 8,989,785 km (0.069 R)
• M18: 10,630,275 km (0.081 R)
• M19: 11,716,356 km (0.106 R)
• M20: 12,228,579 km (0.075 R)
• M21: 13,236,868 km (0.098 R)
• M22: 15,417,856 km (0.093 R)
• M23: 15,963,888 km (0.12 R)
• M24: 20,642,113 km (0.095 R)
• M25: 21,642,324 km (0.102 R)
• M26: 23,114,367 km (0.115 R)
• M27: 23,559,720 km (0.115 R)
• M28: 24,010,757 km (0.074 R)
• M29: 25,682,364 km (0.116 R)
• M30: 28,434,666 km (0.087 R)
• M31: 34,401,975 km (0.099 R)
• M32: 37,738,157 km (0.095 R)
• M33: 45,184,092 km (0.109 R)
• M34: 47,151,902 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.6

Radius: 6.3

Gravity: 24.86 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.59 AU - 6.95 AU

Year: 10137 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,094,602 km

• M1: 78,389 km (0.055 R)
• M2: 310,266 km (0.082 R)
• M3: 691,441 km (0.114 R)
• M4: 890,407 km (0.092 R)
• M5: 1,250,339 km (0.108 R)
• M6: 1,610,870 km (0.108 R)
• M7: 1,849,030 km (0.076 R)
• M8: 2,166,028 km (0.044 R)
• M9: 3,289,208 km (0.092 R)
• M10: 4,033,607 km (0.05 R)
• M11: 6,073,225 km (0.052 R)
• M12: 6,456,495 km (0.087 R)
• M13: 7,229,317 km (0.108 R)
• M14: 8,061,979 km (0.065 R)
• M15: 9,555,414 km (0.058 R)
• M16: 12,704,599 km (0.077 R)
• M17: 14,044,996 km (0.062 R)
• M18: 15,266,762 km (0.096 R)
• M19: 17,842,239 km (0.088 R)
• M20: 19,029,597 km (0.048 R)
• M21: 20,522,883 km (0.117 R)
• M22: 21,211,033 km (0.092 R)
• M23: 22,724,216 km (0.108 R)
• M24: 32,989,322 km (0.109 R)
• M25: 34,291,422 km (0.1 R)
• M26: 35,137,697 km (0.031 R)
• M27: 37,377,477 km (0.111 R)
• M28: 40,913,073 km (0.082 R)
• M29: 41,183,396 km (0.077 R)
• M30: 46,698,172 km (0.09 R)
• M31: 51,890,565 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.7

Radius: 3.4

Gravity: 48.85 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.29 AU - 8.93 AU

Year: 13555 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,094,602 km

• M1: 42,336 km (0.117 R)
• M2: 160,369 km (0.113 R)
• M3: 298,448 km (0.096 R)
• M4: 559,047 km (0.066 R)
• M5: 933,042 km (0.086 R)
• M6: 1,054,366 km (0.075 R)
• M7: 1,249,741 km (0.087 R)
• M8: 1,649,466 km (0.076 R)
• M9: 1,895,854 km (0.12 R)
• M10: 2,673,314 km (0.096 R)
• M11: 3,205,733 km (0.11 R)
• M12: 3,536,344 km (0.1 R)
• M13: 4,176,025 km (0.118 R)
• M14: 4,446,198 km (0.069 R)
• M15: 5,863,189 km (0.101 R)
• M16: 7,042,469 km (0.119 R)
• M17: 7,866,006 km (0.108 R)
• M18: 8,946,401 km (0.05 R)
• M19: 12,344,068 km (0.101 R)
• M20: 14,802,111 km (0.047 R)
• M21: 18,587,535 km (0.065 R)
• M22: 19,896,068 km (0.084 R)
• M23: 22,512,984 km (0.057 R)
• M24: 23,903,496 km (0.094 R)
• M25: 28,099,417 km (0.059 R)
• M26: 28,522,928 km (0.056 R)
• M27: 37,782,887 km (0.06 R)
• M28: 38,428,402 km (0.118 R)
• M29: 43,294,521 km (0.117 R)
• M30: 45,728,778 km (0.108 R)
• M31: 46,020,943 km (0.092 R)
• M32: 48,403,887 km (0.077 R)
• M33: 50,555,254 km (0.079 R)
• M34: 53,090,938 km (0.069 R)
• M35: 53,900,412 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 5.7

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.21 AU - 10.95 AU

Year: 17666 Days

Day: 15.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,094,602 km

• M1: 71,807 km (0.031 R)
• M2: 561,890 km (0.12 R)
• M3: 767,886 km (0.111 R)
• M4: 1,114,504 km (0.096 R)
• M5: 1,696,889 km (0.119 R)
• M6: 1,959,134 km (0.086 R)
• M7: 2,443,083 km (0.106 R)
• M8: 2,756,640 km (0.102 R)
• M9: 3,388,691 km (0.112 R)
• M10: 4,084,022 km (0.088 R)
• M11: 4,743,449 km (0.12 R)
• M12: 7,229,317 km (0.112 R)
• M13: 7,699,802 km (0.051 R)
• M14: 12,404,655 km (0.105 R)
• M15: 13,456,029 km (0.08 R)
• M16: 14,233,041 km (0.047 R)
• M17: 18,650,516 km (0.08 R)
• M18: 19,128,930 km (0.036 R)
• M19: 19,944,388 km (0.109 R)
• M20: 20,528,867 km (0.098 R)
• M21: 23,531,296 km (0.103 R)
• M22: 23,996,097 km (0.082 R)
• M23: 24,467,031 km (0.072 R)
• M24: 26,914,751 km (0.086 R)
• M25: 28,145,643 km (0.057 R)
• M26: 29,199,709 km (0.08 R)
• M27: 32,062,863 km (0.111 R)
• M28: 32,519,286 km (0.113 R)
• M29: 32,980,047 km (0.12 R)
• M30: 41,900,718 km (0.07 R)
• M31: 42,446,301 km (0.111 R)
• M32: 45,102,711 km (0.058 R)
• M33: 45,532,057 km (0.115 R)
• M34: 48,016,578 km (0.09 R)
• M35: 52,935,655 km (0.111 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: 373 - 14,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit