🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 12.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.64 AU - 0.94 AU

Year: 461 Days

Day: 7.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,512,956 km

• M1: 150,495 km (0.044 R)
• M2: 622,626 km (0.08 R)
• M3: 1,323,193 km (0.033 R)
• M4: 1,767,349 km (0.118 R)
• M5: 2,183,082 km (0.061 R)
• M6: 2,610,782 km (0.067 R)
• M7: 3,186,135 km (0.072 R)
• M8: 3,604,411 km (0.117 R)
• M9: 4,108,257 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.7

Radius: 8.4

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 1 AU

Year: 569 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,512,956 km

• M1: 104,419 km (0.064 R)
• M2: 400,922 km (0.067 R)
• M3: 833,859 km (0.05 R)
• M4: 1,110,914 km (0.037 R)
• M5: 1,725,611 km (0.052 R)
• M6: 2,128,479 km (0.057 R)
• M7: 2,593,129 km (0.07 R)
• M8: 3,223,236 km (0.042 R)
• M9: 3,507,771 km (0.103 R)
• M10: 3,894,332 km (0.09 R)
• M11: 4,639,180 km (0.056 R)
• M12: 5,244,602 km (0.05 R)
• M13: 5,584,788 km (0.112 R)
• M14: 5,920,485 km (0.064 R)
• M15: 6,571,386 km (0.092 R)
• M16: 7,356,774 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.16 AU - 1.52 AU

Year: 1018 Days

Day: 9.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,512,956 km

• M1: 137,181 km (0.111 R)
• M2: 530,624 km (0.09 R)
• M3: 887,863 km (0.092 R)
• M4: 1,599,500 km (0.093 R)
• M5: 2,121,148 km (0.098 R)
• M6: 2,556,478 km (0.081 R)
• M7: 3,025,467 km (0.078 R)
• M8: 3,508,968 km (0.096 R)
• M9: 4,028,072 km (0.115 R)
• M10: 4,530,123 km (0.074 R)
• M11: 5,037,260 km (0.068 R)
• M12: 5,878,897 km (0.109 R)
• M13: 6,548,048 km (0.117 R)
• M14: 7,718,801 km (0.096 R)
• M15: 8,088,458 km (0.102 R)
• M16: 8,547,574 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 8.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.45 AU - 2.35 AU

Year: 1718 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,512,956 km

• M1: 106,813 km (0.091 R)
• M2: 397,781 km (0.084 R)
• M3: 746,493 km (0.104 R)
• M4: 1,161,627 km (0.081 R)
• M5: 1,964,370 km (0.111 R)
• M6: 2,289,895 km (0.025 R)
• M7: 2,744,672 km (0.097 R)
• M8: 3,666,045 km (0.071 R)
• M9: 4,079,085 km (0.095 R)
• M10: 5,094,555 km (0.073 R)
• M11: 5,889,219 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 14.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.95 AU - 2.55 AU

Year: 2214 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,512,956 km

• M1: 177,872 km (0.108 R)
• M2: 671,844 km (0.059 R)
• M3: 1,375,253 km (0.091 R)
• M4: 2,101,700 km (0.104 R)
• M5: 2,765,317 km (0.114 R)
• M6: 3,729,176 km (0.118 R)
• M7: 4,209,385 km (0.053 R)
• M8: 5,558,309 km (0.116 R)
• M9: 6,893,619 km (0.109 R)
• M10: 7,412,874 km (0.113 R)
• M11: 8,465,594 km (0.113 R)
• M12: 9,130,108 km (0.084 R)
• M13: 10,191,953 km (0.025 R)
• M14: 10,753,095 km (0.035 R)
• M15: 11,693,766 km (0.118 R)
• M16: 12,434,725 km (0.107 R)
• M17: 13,250,631 km (0.082 R)
• M18: 14,285,699 km (0.096 R)
• M19: 14,846,841 km (0.101 R)
• M20: 18,309,583 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 10

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.98 AU - 3.18 AU

Year: 3546 Days

Day: 6 Hours

Environment

Temp: -211 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,512,956 km

• M1: 125,363 km (0.108 R)
• M2: 439,219 km (0.119 R)
• M3: 965,355 km (0.11 R)
• M4: 1,549,385 km (0.109 R)
• M5: 1,922,482 km (0.105 R)
• M6: 2,580,713 km (0.08 R)
• M7: 2,920,300 km (0.095 R)
• M8: 3,515,101 km (0.09 R)
• M9: 3,913,480 km (0.101 R)
• M10: 4,431,538 km (0.04 R)
• M11: 5,068,376 km (0.113 R)
• M12: 5,983,466 km (0.111 R)
• M13: 7,476,752 km (0.1 R)
• M14: 13,193,934 km (0.054 R)
• M15: 13,914,547 km (0.029 R)
• M16: 17,117,736 km (0.05 R)
• M17: 17,571,317 km (0.09 R)
• M18: 18,800,413 km (0.099 R)
• M19: 19,836,678 km (0.115 R)
• M20: 21,625,719 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.4

Radius: 10.5

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.96 AU - 3.66 AU

Year: 3950 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,512,956 km

• M1: 133,591 km (0.074 R)
• M2: 617,839 km (0.059 R)
• M3: 964,607 km (0.11 R)
• M4: 1,749,996 km (0.113 R)
• M5: 2,350,332 km (0.117 R)
• M6: 3,158,460 km (0.104 R)
• M7: 5,373,855 km (0.116 R)
• M8: 5,941,279 km (0.099 R)
• M9: 6,997,291 km (0.032 R)
• M10: 7,364,404 km (0.079 R)
• M11: 7,993,164 km (0.052 R)
• M12: 10,478,732 km (0.113 R)
• M13: 12,591,503 km (0.079 R)
• M14: 13,236,868 km (0.117 R)
• M15: 14,378,899 km (0.111 R)
• M16: 16,271,312 km (0.096 R)
• M17: 17,096,942 km (0.102 R)
• M18: 17,765,046 km (0.088 R)
• M19: 20,274,551 km (0.083 R)
• M20: 21,719,367 km (0.064 R)
• M21: 25,512,421 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 9.2

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.37 AU - 4.83 AU

Year: 6472 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,512,956 km

• M1: 114,442 km (0.069 R)
• M2: 613,052 km (0.099 R)
• M3: 1,390,961 km (0.116 R)
• M4: 1,717,832 km (0.1 R)
• M5: 2,187,570 km (0.12 R)
• M6: 5,452,842 km (0.108 R)
• M7: 5,870,220 km (0.067 R)
• M8: 6,373,168 km (0.072 R)
• M9: 7,251,607 km (0.032 R)
• M10: 9,330,868 km (0.051 R)
• M11: 10,597,962 km (0.049 R)
• M12: 12,075,391 km (0.077 R)
• M13: 18,295,670 km (0.086 R)
• M14: 24,802,579 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.3

Radius: 5.3

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.99 AU - 7.37 AU

Year: 11326 Days

Day: 21.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,512,956 km

• M1: 66,272 km (0.113 R)
• M2: 420,819 km (0.119 R)
• M3: 1,022,801 km (0.09 R)
• M4: 1,239,269 km (0.119 R)
• M5: 1,570,927 km (0.05 R)
• M6: 2,114,566 km (0.084 R)
• M7: 2,410,470 km (0.097 R)
• M8: 2,608,987 km (0.115 R)
• M9: 2,840,116 km (0.091 R)
• M10: 3,084,708 km (0.12 R)
• M11: 3,367,598 km (0.101 R)
• M12: 4,436,923 km (0.097 R)
• M13: 4,675,233 km (0.042 R)
• M14: 6,401,293 km (0.116 R)
• M15: 6,590,534 km (0.057 R)
• M16: 7,060,122 km (0.074 R)
• M17: 7,468,225 km (0.048 R)
• M18: 8,833,754 km (0.089 R)
• M19: 9,307,531 km (0.06 R)
• M20: 9,848,177 km (0.108 R)
• M21: 10,461,529 km (0.1 R)
• M22: 13,171,045 km (0.06 R)
• M23: 13,354,602 km (0.116 R)
• M24: 14,233,190 km (0.058 R)
• M25: 14,491,097 km (0.1 R)
• M26: 16,035,545 km (0.063 R)
• M27: 22,869,774 km (0.073 R)
• M28: 23,761,677 km (0.076 R)
• M29: 31,310,685 km (0.119 R)
• M30: 35,622,544 km (0.073 R)
• M31: 37,550,562 km (0.106 R)
• M32: 40,442,438 km (0.108 R)
• M33: 42,672,942 km (0.073 R)
• M34: 43,209,400 km (0.037 R)
• M35: 43,614,810 km (0.056 R)
• M36: 48,387,132 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.2

Radius: 3.5

Gravity: 43.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.96 AU - 10.82 AU

Year: 18876 Days

Day: 16 Hours

Environment

Temp: -219 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,512,956 km

• M1: 45,179 km (0.084 R)
• M2: 417,677 km (0.117 R)
• M3: 976,276 km (0.082 R)
• M4: 1,589,029 km (0.111 R)
• M5: 1,723,367 km (0.055 R)
• M6: 1,847,085 km (0.096 R)
• M7: 2,152,414 km (0.086 R)
• M8: 2,534,936 km (0.103 R)
• M9: 3,036,538 km (0.11 R)
• M10: 3,433,421 km (0.061 R)
• M11: 3,923,803 km (0.109 R)
• M12: 4,558,846 km (0.11 R)
• M13: 4,796,407 km (0.096 R)
• M14: 5,869,622 km (0.07 R)
• M15: 9,530,282 km (0.083 R)
• M16: 11,577,678 km (0.032 R)
• M17: 15,584,807 km (0.088 R)
• M18: 18,743,865 km (0.097 R)
• M19: 21,351,805 km (0.052 R)
• M20: 21,729,540 km (0.117 R)
• M21: 25,436,724 km (0.103 R)
• M22: 27,941,741 km (0.087 R)
• M23: 30,249,437 km (0.083 R)
• M24: 37,516,902 km (0.087 R)
• M25: 43,408,515 km (0.098 R)
• M26: 45,553,449 km (0.119 R)
• M27: 46,968,944 km (0.092 R)
• M28: 51,054,313 km (0.1 R)
• M29: 55,370,211 km (0.056 R)
• M30: 56,981,530 km (0.11 R)
• M31: 62,194,118 km (0.089 R)
• M32: 62,386,052 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 17,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit