🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 10.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.8 AU - 0.92 AU

Year: 541 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,857,922 km

• M1: 131,796 km (0.073 R)
• M2: 498,311 km (0.074 R)
• M3: 1,113,607 km (0.071 R)
• M4: 1,620,295 km (0.096 R)
• M5: 2,515,339 km (0.077 R)
• M6: 3,232,810 km (0.081 R)
• M7: 3,882,214 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.3

Radius: 12.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.95 AU

Year: 589 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,857,922 km

• M1: 160,519 km (0.116 R)
• M2: 735,423 km (0.088 R)
• M3: 1,150,557 km (0.114 R)
• M4: 1,557,912 km (0.096 R)
• M5: 1,965,118 km (0.094 R)
• M6: 2,679,896 km (0.025 R)
• M7: 3,273,800 km (0.083 R)
• M8: 3,868,003 km (0.082 R)
• M9: 4,485,543 km (0.031 R)
• M10: 4,944,509 km (0.12 R)
• M11: 5,434,891 km (0.119 R)
• M12: 5,880,842 km (0.108 R)
• M13: 7,126,095 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.2

Radius: 9.2

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.93 AU - 0.95 AU

Year: 618 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,857,922 km

• M1: 114,442 km (0.071 R)
• M2: 460,612 km (0.074 R)
• M3: 879,785 km (0.113 R)
• M4: 1,194,240 km (0.047 R)
• M5: 1,749,397 km (0.091 R)
• M6: 2,161,540 km (0.103 R)
• M7: 3,207,229 km (0.041 R)
• M8: 3,528,266 km (0.091 R)
• M9: 4,434,081 km (0.098 R)
• M10: 4,883,323 km (0.094 R)
• M11: 5,577,757 km (0.11 R)
• M12: 6,356,114 km (0.097 R)
• M13: 6,949,270 km (0.115 R)
• M14: 7,445,486 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139

Radius: 14

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.51 AU - 1.77 AU

Year: 1424 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,857,922 km

• M1: 174,132 km (0.114 R)
• M2: 766,988 km (0.089 R)
• M3: 1,443,919 km (0.075 R)
• M4: 1,954,945 km (0.078 R)
• M5: 3,095,030 km (0.07 R)
• M6: 4,298,994 km (0.104 R)
• M7: 5,152,749 km (0.092 R)
• M8: 7,176,359 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 9.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.15 AU - 2.27 AU

Year: 2228 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,857,922 km

• M1: 116,986 km (0.093 R)
• M2: 439,219 km (0.054 R)
• M3: 779,704 km (0.118 R)
• M4: 1,320,052 km (0.038 R)
• M5: 1,637,648 km (0.101 R)
• M6: 2,069,238 km (0.111 R)
• M7: 2,963,235 km (0.119 R)
• M8: 3,534,399 km (0.029 R)
• M9: 4,408,350 km (0.113 R)
• M10: 5,153,497 km (0.093 R)
• M11: 5,594,063 km (0.093 R)
• M12: 6,494,941 km (0.076 R)
• M13: 6,806,254 km (0.091 R)
• M14: 7,581,919 km (0.099 R)
• M15: 8,448,689 km (0.06 R)
• M16: 9,815,266 km (0.118 R)
• M17: 10,112,816 km (0.055 R)
• M18: 12,239,649 km (0.095 R)
• M19: 13,069,917 km (0.076 R)
• M20: 13,659,333 km (0.076 R)
• M21: 16,195,615 km (0.074 R)
• M22: 18,972,750 km (0.11 R)
• M23: 19,610,934 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 8.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.35 AU - 2.77 AU

Year: 2778 Days

Day: 5.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,857,922 km

• M1: 102,175 km (0.12 R)
• M2: 742,305 km (0.046 R)
• M3: 1,475,633 km (0.09 R)
• M4: 2,073,576 km (0.106 R)
• M5: 2,903,096 km (0.08 R)
• M6: 4,409,996 km (0.04 R)
• M7: 5,058,502 km (0.116 R)
• M8: 5,616,951 km (0.103 R)
• M9: 6,055,423 km (0.114 R)
• M10: 7,387,741 km (0.099 R)
• M11: 8,432,982 km (0.119 R)
• M12: 12,849,260 km (0.089 R)
• M13: 13,474,579 km (0.089 R)
• M14: 14,026,596 km (0.089 R)
• M15: 14,593,571 km (0.116 R)
• M16: 15,976,005 km (0.111 R)
• M17: 18,377,350 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 8.3

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.11 AU - 4.01 AU

Year: 4556 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,857,922 km

• M1: 103,223 km (0.046 R)
• M2: 563,685 km (0.037 R)
• M3: 916,885 km (0.093 R)
• M4: 2,352,427 km (0.06 R)
• M5: 2,766,663 km (0.103 R)
• M6: 3,069,300 km (0.075 R)
• M7: 3,630,591 km (0.081 R)
• M8: 4,065,322 km (0.114 R)
• M9: 4,483,299 km (0.119 R)
• M10: 6,779,925 km (0.097 R)
• M11: 8,848,265 km (0.101 R)
• M12: 10,882,348 km (0.082 R)
• M13: 11,786,667 km (0.089 R)
• M14: 12,740,353 km (0.111 R)
• M15: 13,798,908 km (0.113 R)
• M16: 15,909,734 km (0.095 R)
• M17: 18,823,002 km (0.052 R)
• M18: 20,053,894 km (0.088 R)
• M19: 22,523,904 km (0.055 R)
• M20: 27,022,611 km (0.079 R)
• M21: 29,121,619 km (0.107 R)
• M22: 30,394,996 km (0.035 R)
• M23: 31,326,991 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.3

Radius: 10.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.37 AU - 3.97 AU

Year: 4769 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,857,922 km

• M1: 130,599 km (0.113 R)
• M2: 979,118 km (0.114 R)
• M3: 1,485,357 km (0.096 R)
• M4: 3,296,239 km (0.078 R)
• M5: 6,021,314 km (0.11 R)
• M6: 6,694,505 km (0.063 R)
• M7: 7,181,745 km (0.087 R)
• M8: 9,017,610 km (0.032 R)
• M9: 10,191,205 km (0.06 R)
• M10: 13,087,420 km (0.087 R)
• M11: 14,058,759 km (0.096 R)
• M12: 15,353,678 km (0.117 R)
• M13: 16,433,924 km (0.117 R)
• M14: 19,846,252 km (0.118 R)
• M15: 23,260,973 km (0.089 R)
• M16: 26,404,024 km (0.03 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 9.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.44 AU - 5.72 AU

Year: 8940 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,857,922 km

• M1: 122,820 km (0.066 R)
• M2: 784,042 km (0.104 R)
• M3: 2,556,029 km (0.09 R)
• M4: 2,881,554 km (0.096 R)
• M5: 3,456,309 km (0.046 R)
• M6: 4,949,296 km (0.06 R)
• M7: 5,305,339 km (0.072 R)
• M8: 6,832,135 km (0.101 R)
• M9: 8,975,124 km (0.033 R)
• M10: 10,534,532 km (0.031 R)
• M11: 13,144,567 km (0.075 R)
• M12: 14,478,830 km (0.09 R)
• M13: 16,222,393 km (0.097 R)
• M14: 16,877,781 km (0.072 R)
• M15: 17,550,673 km (0.06 R)
• M16: 18,950,011 km (0.099 R)
• M17: 21,497,364 km (0.082 R)
• M18: 23,344,748 km (0.11 R)
• M19: 25,910,351 km (0.05 R)
• M20: 27,352,923 km (0.086 R)
• M21: 28,943,298 km (0.035 R)
• M22: 36,255,792 km (0.069 R)
• M23: 37,716,017 km (0.089 R)
• M24: 38,633,800 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.1

Radius: 3.9

Gravity: 37.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.91 AU - 10.21 AU

Year: 18496 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,857,922 km

• M1: 49,218 km (0.077 R)
• M2: 194,028 km (0.107 R)
• M3: 484,847 km (0.095 R)
• M4: 722,408 km (0.073 R)
• M5: 2,397,755 km (0.057 R)
• M6: 2,666,881 km (0.073 R)
• M7: 3,595,884 km (0.094 R)
• M8: 4,291,365 km (0.064 R)
• M9: 8,833,455 km (0.098 R)
• M10: 9,693,493 km (0.063 R)
• M11: 10,432,208 km (0.04 R)
• M12: 12,672,585 km (0.102 R)
• M13: 18,584,843 km (0.12 R)
• M14: 24,011,954 km (0.098 R)
• M15: 25,569,717 km (0.112 R)
• M16: 26,863,589 km (0.116 R)
• M17: 29,815,155 km (0.104 R)
• M18: 33,101,820 km (0.1 R)
• M19: 35,421,933 km (0.099 R)
• M20: 38,263,246 km (0.04 R)
• M21: 41,398,668 km (0.098 R)
• M22: 52,165,077 km (0.11 R)
• M23: 55,832,319 km (0.032 R)
• M24: 56,011,238 km (0.053 R)
• M25: 59,109,410 km (0.114 R)
• M26: 63,480,211 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 17,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit