🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 9.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.82 AU - 0.88 AU

Year: 532 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 163.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,059,387 km

• M1: 113,246 km (0.071 R)
• M2: 410,197 km (0.117 R)
• M3: 724,802 km (0.115 R)
• M4: 1,112,709 km (0.085 R)
• M5: 1,519,166 km (0.036 R)
• M6: 2,112,771 km (0.079 R)
• M7: 2,603,452 km (0.102 R)
• M8: 3,168,333 km (0.084 R)
• M9: 3,610,694 km (0.076 R)
• M10: 4,050,811 km (0.09 R)
• M11: 5,105,626 km (0.069 R)
• M12: 5,430,702 km (0.087 R)
• M13: 5,842,844 km (0.082 R)
• M14: 6,549,544 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 10.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.27 AU - 2.09 AU

Year: 1477 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,059,387 km

• M1: 135,685 km (0.098 R)
• M2: 487,839 km (0.092 R)
• M3: 904,918 km (0.068 R)
• M4: 2,631,427 km (0.113 R)
• M5: 3,013,799 km (0.11 R)
• M6: 5,088,272 km (0.089 R)
• M7: 6,130,371 km (0.089 R)
• M8: 7,198,350 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 11.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.66 AU - 3.16 AU

Year: 3367 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,059,387 km

• M1: 140,472 km (0.105 R)
• M2: 531,970 km (0.11 R)
• M3: 1,057,507 km (0.053 R)
• M4: 1,619,098 km (0.106 R)
• M5: 2,387,881 km (0.116 R)
• M6: 3,108,345 km (0.112 R)
• M7: 3,698,957 km (0.044 R)
• M8: 4,570,514 km (0.105 R)
• M9: 5,284,395 km (0.102 R)
• M10: 6,748,958 km (0.077 R)
• M11: 7,876,777 km (0.092 R)
• M12: 8,977,069 km (0.055 R)
• M13: 10,257,926 km (0.066 R)
• M14: 10,921,093 km (0.09 R)
• M15: 11,969,326 km (0.109 R)
• M16: 15,841,068 km (0.096 R)
• M17: 22,963,273 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 8.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.88 AU - 4.42 AU

Year: 4730 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,059,387 km

• M1: 104,569 km (0.107 R)
• M2: 436,227 km (0.116 R)
• M3: 700,118 km (0.116 R)
• M4: 1,032,225 km (0.081 R)
• M5: 1,387,071 km (0.039 R)
• M6: 1,956,142 km (0.101 R)
• M7: 2,744,672 km (0.047 R)
• M8: 3,076,181 km (0.112 R)
• M9: 3,571,500 km (0.092 R)
• M10: 4,700,066 km (0.052 R)
• M11: 5,021,552 km (0.078 R)
• M12: 5,926,918 km (0.086 R)
• M13: 6,483,572 km (0.061 R)
• M14: 8,709,139 km (0.102 R)
• M15: 9,031,373 km (0.104 R)
• M16: 10,653,912 km (0.087 R)
• M17: 13,037,903 km (0.099 R)
• M18: 16,043,025 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 8.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.67 AU - 4.47 AU

Year: 5569 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,059,387 km

• M1: 101,427 km (0.067 R)
• M2: 393,293 km (0.112 R)
• M3: 717,172 km (0.047 R)
• M4: 975,378 km (0.062 R)
• M5: 1,528,142 km (0.11 R)
• M6: 2,426,029 km (0.043 R)
• M7: 3,418,910 km (0.11 R)
• M8: 4,517,257 km (0.059 R)
• M9: 6,355,516 km (0.104 R)
• M10: 7,490,066 km (0.072 R)
• M11: 8,000,793 km (0.117 R)
• M12: 8,389,748 km (0.103 R)
• M13: 9,129,509 km (0.103 R)
• M14: 10,866,041 km (0.104 R)
• M15: 17,734,977 km (0.088 R)
• M16: 19,137,756 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 13.9

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.32 AU - 5.6 AU

Year: 8653 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,059,387 km

• M1: 172,935 km (0.059 R)
• M2: 629,209 km (0.106 R)
• M3: 1,258,268 km (0.116 R)
• M4: 1,873,713 km (0.074 R)
• M5: 2,949,771 km (0.096 R)
• M6: 3,389,738 km (0.09 R)
• M7: 4,002,192 km (0.111 R)
• M8: 4,804,485 km (0.098 R)
• M9: 5,386,571 km (0.118 R)
• M10: 5,913,005 km (0.12 R)
• M11: 6,879,856 km (0.094 R)
• M12: 7,621,563 km (0.109 R)
• M13: 9,497,670 km (0.087 R)
• M14: 11,186,330 km (0.069 R)
• M15: 13,420,126 km (0.054 R)
• M16: 14,705,321 km (0.07 R)
• M17: 15,215,899 km (0.117 R)
• M18: 15,804,417 km (0.066 R)
• M19: 16,612,844 km (0.077 R)
• M20: 17,237,115 km (0.079 R)
• M21: 18,021,307 km (0.116 R)
• M22: 18,680,436 km (0.086 R)
• M23: 19,355,721 km (0.076 R)
• M24: 24,547,215 km (0.1 R)
• M25: 25,448,842 km (0.046 R)
• M26: 26,937,041 km (0.117 R)
• M27: 27,702,683 km (0.114 R)
• M28: 30,703,317 km (0.067 R)
• M29: 37,107,901 km (0.089 R)
• M30: 38,535,963 km (0.116 R)
• M31: 40,496,742 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.5

Radius: 8

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.69 AU - 6.81 AU

Year: 9352 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,059,387 km

• M1: 105,466 km (0.057 R)
• M2: 531,072 km (0.064 R)
• M3: 829,371 km (0.115 R)
• M4: 1,467,555 km (0.104 R)
• M5: 2,214,796 km (0.114 R)
• M6: 2,612,876 km (0.1 R)
• M7: 3,478,898 km (0.027 R)
• M8: 4,612,252 km (0.091 R)
• M9: 4,884,071 km (0.075 R)
• M10: 5,903,880 km (0.055 R)
• M11: 6,520,074 km (0.081 R)
• M12: 7,019,730 km (0.091 R)
• M13: 10,621,748 km (0.114 R)
• M14: 10,937,400 km (0.1 R)
• M15: 13,941,325 km (0.116 R)
• M16: 17,381,926 km (0.114 R)
• M17: 19,258,931 km (0.068 R)
• M18: 20,773,011 km (0.061 R)
• M19: 23,058,717 km (0.043 R)
• M20: 25,694,930 km (0.063 R)
• M21: 29,547,973 km (0.092 R)
• M22: 35,029,089 km (0.087 R)
• M23: 44,057,471 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138

Radius: 3.1

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.04 AU - 7.84 AU

Year: 12400 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,059,387 km

• M1: 38,746 km (0.062 R)
• M2: 374,144 km (0.084 R)
• M3: 509,082 km (0.086 R)
• M4: 1,022,352 km (0.111 R)
• M5: 4,672,689 km (0.08 R)
• M6: 5,340,345 km (0.063 R)
• M7: 6,657,853 km (0.065 R)
• M8: 7,871,541 km (0.112 R)
• M9: 9,608,073 km (0.093 R)
• M10: 9,868,972 km (0.053 R)
• M11: 10,269,295 km (0.057 R)
• M12: 17,965,059 km (0.113 R)
• M13: 18,361,044 km (0.099 R)
• M14: 22,492,638 km (0.119 R)
• M15: 24,935,871 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884

Radius: 7.9

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.57 AU - 8.31 AU

Year: 15175 Days

Day: 23.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,059,387 km

• M1: 102,923 km (0.044 R)
• M2: 506,239 km (0.114 R)
• M3: 1,173,446 km (0.068 R)
• M4: 2,269,699 km (0.064 R)
• M5: 2,593,728 km (0.084 R)
• M6: 3,099,518 km (0.062 R)
• M7: 3,756,253 km (0.117 R)
• M8: 5,160,229 km (0.037 R)
• M9: 5,762,660 km (0.11 R)
• M10: 7,948,883 km (0.081 R)
• M11: 8,243,890 km (0.07 R)
• M12: 13,248,986 km (0.078 R)
• M13: 14,962,330 km (0.08 R)
• M14: 17,801,548 km (0.066 R)
• M15: 21,831,416 km (0.079 R)
• M16: 31,637,107 km (0.107 R)
• M17: 32,130,481 km (0.063 R)
• M18: 34,155,737 km (0.088 R)
• M19: 37,488,030 km (0.065 R)
• M20: 41,030,956 km (0.101 R)
• M21: 42,508,534 km (0.076 R)
• M22: 44,021,268 km (0.076 R)
• M23: 45,101,215 km (0.117 R)
• M24: 52,126,331 km (0.07 R)
• M25: 55,807,934 km (0.112 R)
• M26: 62,516,053 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.6

Radius: 7.6

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.23 AU - 10.41 AU

Year: 17766 Days

Day: 20.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,059,387 km

• M1: 97,089 km (0.065 R)
• M2: 991,086 km (0.104 R)
• M3: 2,073,576 km (0.108 R)
• M4: 3,034,742 km (0.115 R)
• M5: 3,766,874 km (0.102 R)
• M6: 4,547,027 km (0.107 R)
• M7: 5,394,649 km (0.059 R)
• M8: 8,866,067 km (0.119 R)
• M9: 9,119,486 km (0.079 R)
• M10: 11,090,289 km (0.042 R)
• M11: 11,563,915 km (0.096 R)
• M12: 12,936,476 km (0.104 R)
• M13: 14,137,597 km (0.086 R)
• M14: 17,304,883 km (0.098 R)
• M15: 17,861,836 km (0.117 R)
• M16: 20,121,961 km (0.106 R)
• M17: 24,104,555 km (0.098 R)
• M18: 24,698,908 km (0.089 R)
• M19: 25,814,010 km (0.104 R)
• M20: 28,803,574 km (0.112 R)
• M21: 31,661,043 km (0.081 R)
• M22: 32,016,188 km (0.115 R)
• M23: 38,601,636 km (0.085 R)
• M24: 39,551,882 km (0.047 R)
• M25: 49,767,472 km (0.117 R)
• M26: 60,876,610 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 16,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit