🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 14.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.94 AU - 1.12 AU

Year: 675 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,030,786 km

• M1: 177,273 km (0.059 R)
• M2: 816,804 km (0.113 R)
• M3: 1,277,865 km (0.109 R)
• M4: 1,831,228 km (0.078 R)
• M5: 2,331,034 km (0.118 R)
• M6: 2,856,871 km (0.118 R)
• M7: 3,575,090 km (0.075 R)
• M8: 4,382,021 km (0.101 R)
• M9: 4,884,520 km (0.11 R)
• M10: 5,476,628 km (0.065 R)
• M11: 6,209,060 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 14.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.44 AU - 2.24 AU

Year: 1612 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,030,786 km

• M1: 184,903 km (0.032 R)
• M2: 820,993 km (0.084 R)
• M3: 1,376,749 km (0.069 R)
• M4: 1,914,404 km (0.085 R)
• M5: 3,096,826 km (0.034 R)
• M6: 3,894,930 km (0.07 R)
• M7: 5,301,599 km (0.099 R)
• M8: 5,951,302 km (0.113 R)
• M9: 6,811,191 km (0.102 R)
• M10: 8,194,971 km (0.029 R)
• M11: 8,874,146 km (0.105 R)
• M12: 9,457,577 km (0.111 R)
• M13: 9,929,110 km (0.056 R)
• M14: 10,522,714 km (0.081 R)
• M15: 11,781,281 km (0.114 R)
• M16: 13,096,695 km (0.052 R)
• M17: 14,508,151 km (0.098 R)
• M18: 15,411,573 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.3

Radius: 10.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.88 AU - 2.94 AU

Year: 2416 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,030,786 km

• M1: 138,079 km (0.092 R)
• M2: 648,357 km (0.076 R)
• M3: 1,098,647 km (0.086 R)
• M4: 1,464,114 km (0.107 R)
• M5: 1,984,416 km (0.027 R)
• M6: 2,418,399 km (0.057 R)
• M7: 3,305,814 km (0.109 R)
• M8: 4,254,863 km (0.088 R)
• M9: 4,658,777 km (0.102 R)
• M10: 5,543,798 km (0.075 R)
• M11: 6,600,557 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 9.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.65 AU - 4.15 AU

Year: 4048 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,030,786 km

• M1: 131,796 km (0.058 R)
• M2: 595,848 km (0.079 R)
• M3: 925,562 km (0.069 R)
• M4: 1,632,262 km (0.116 R)
• M5: 4,716,372 km (0.065 R)
• M6: 5,162,323 km (0.101 R)
• M7: 6,671,167 km (0.083 R)
• M8: 9,765,899 km (0.082 R)
• M9: 11,116,767 km (0.063 R)
• M10: 11,860,718 km (0.083 R)
• M11: 14,078,207 km (0.115 R)
• M12: 16,618,379 km (0.108 R)
• M13: 17,283,042 km (0.105 R)
• M14: 18,989,355 km (0.113 R)
• M15: 22,078,402 km (0.072 R)
• M16: 23,628,385 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.8

Radius: 5.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.66 AU - 9.74 AU

Year: 15161 Days

Day: 22 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,030,786 km

• M1: 65,973 km (0.074 R)
• M2: 337,044 km (0.071 R)
• M3: 518,506 km (0.116 R)
• M4: 914,641 km (0.103 R)
• M5: 1,124,228 km (0.09 R)
• M6: 1,293,423 km (0.085 R)
• M7: 1,545,795 km (0.067 R)
• M8: 1,922,781 km (0.07 R)
• M9: 2,252,645 km (0.044 R)
• M10: 2,449,665 km (0.074 R)
• M11: 2,837,572 km (0.092 R)
• M12: 3,333,190 km (0.098 R)
• M13: 4,808,524 km (0.04 R)
• M14: 6,672,065 km (0.079 R)
• M15: 7,232,758 km (0.083 R)
• M16: 8,532,763 km (0.058 R)
• M17: 8,836,746 km (0.084 R)
• M18: 9,651,456 km (0.11 R)
• M19: 10,564,452 km (0.066 R)
• M20: 13,355,948 km (0.097 R)
• M21: 18,264,554 km (0.105 R)
• M22: 19,283,465 km (0.116 R)
• M23: 19,581,464 km (0.12 R)
• M24: 19,958,151 km (0.061 R)
• M25: 20,803,977 km (0.036 R)
• M26: 22,076,607 km (0.107 R)
• M27: 26,661,931 km (0.116 R)
• M28: 28,066,505 km (0.113 R)
• M29: 31,123,837 km (0.109 R)
• M30: 35,387,376 km (0.105 R)
• M31: 36,511,006 km (0.105 R)
• M32: 38,357,941 km (0.103 R)
• M33: 38,829,175 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.6

Radius: 7.6

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.29 AU - 9.31 AU

Year: 15439 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,030,786 km

• M1: 94,546 km (0.119 R)
• M2: 391,498 km (0.108 R)
• M3: 1,504,805 km (0.027 R)
• M4: 2,222,276 km (0.068 R)
• M5: 2,579,815 km (0.114 R)
• M6: 2,975,202 km (0.112 R)
• M7: 3,304,318 km (0.105 R)
• M8: 3,601,718 km (0.082 R)
• M9: 3,916,921 km (0.117 R)
• M10: 4,837,098 km (0.09 R)
• M11: 5,626,077 km (0.068 R)
• M12: 7,053,839 km (0.115 R)
• M13: 8,114,488 km (0.111 R)
• M14: 9,762,009 km (0.07 R)
• M15: 12,829,962 km (0.079 R)
• M16: 13,161,621 km (0.112 R)
• M17: 17,681,870 km (0.118 R)
• M18: 19,800,325 km (0.056 R)
• M19: 22,177,286 km (0.115 R)
• M20: 22,559,060 km (0.038 R)
• M21: 25,148,748 km (0.112 R)
• M22: 27,819,519 km (0.077 R)
• M23: 32,845,708 km (0.101 R)
• M24: 33,217,310 km (0.1 R)
• M25: 39,552,779 km (0.07 R)
• M26: 40,397,259 km (0.096 R)
• M27: 42,707,948 km (0.072 R)
• M28: 45,258,143 km (0.061 R)
• M29: 47,749,396 km (0.063 R)
• M30: 48,867,491 km (0.073 R)
• M31: 58,994,220 km (0.107 R)
• M32: 62,341,472 km (0.108 R)
• M33: 64,448,109 km (0.103 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: 399 - 17,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit