🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 10.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.26 AU - 1.6 AU

Year: 1140 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,503,551 km

• M1: 135,536 km (0.092 R)
• M2: 519,553 km (0.112 R)
• M3: 890,407 km (0.087 R)
• M4: 1,397,095 km (0.082 R)
• M5: 1,887,776 km (0.1 R)
• M6: 2,280,320 km (0.097 R)
• M7: 2,850,887 km (0.11 R)
• M8: 3,771,811 km (0.086 R)
• M9: 4,370,352 km (0.049 R)
• M10: 4,947,052 km (0.093 R)
• M11: 5,483,660 km (0.111 R)
• M12: 6,311,983 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 11.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.2 AU - 3.22 AU

Year: 3835 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,503,551 km

• M1: 146,905 km (0.088 R)
• M2: 567,874 km (0.117 R)
• M3: 1,082,490 km (0.077 R)
• M4: 1,812,079 km (0.079 R)
• M5: 4,905,314 km (0.107 R)
• M6: 5,303,843 km (0.104 R)
• M7: 6,106,286 km (0.066 R)
• M8: 7,493,956 km (0.106 R)
• M9: 10,102,494 km (0.103 R)
• M10: 10,928,124 km (0.098 R)
• M11: 11,892,432 km (0.077 R)
• M12: 12,468,384 km (0.107 R)
• M13: 13,469,643 km (0.119 R)
• M14: 18,457,535 km (0.116 R)
• M15: 20,771,365 km (0.11 R)
• M16: 21,186,649 km (0.086 R)
• M17: 22,683,824 km (0.113 R)
• M18: 23,946,730 km (0.096 R)
• M19: 26,530,883 km (0.092 R)
• M20: 27,349,333 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 11.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.91 AU - 6.13 AU

Year: 8648 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,503,551 km

• M1: 145,559 km (0.032 R)
• M2: 983,756 km (0.103 R)
• M3: 2,137,754 km (0.086 R)
• M4: 2,753,947 km (0.075 R)
• M5: 3,687,887 km (0.039 R)
• M6: 6,306,448 km (0.07 R)
• M7: 7,172,320 km (0.118 R)
• M8: 11,002,923 km (0.106 R)
• M9: 12,623,966 km (0.081 R)
• M10: 13,602,934 km (0.103 R)
• M11: 14,749,303 km (0.079 R)
• M12: 15,589,445 km (0.045 R)
• M13: 18,990,851 km (0.062 R)
• M14: 21,013,564 km (0.094 R)
• M15: 21,464,901 km (0.045 R)
• M16: 25,228,634 km (0.119 R)
• M17: 27,578,667 km (0.064 R)
• M18: 34,137,636 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.3

Radius: 7.9

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.96 AU - 7.04 AU

Year: 9801 Days

Day: 16.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,503,551 km

• M1: 100,380 km (0.081 R)
• M2: 352,453 km (0.108 R)
• M3: 630,854 km (0.089 R)
• M4: 902,075 km (0.118 R)
• M5: 1,154,297 km (0.098 R)
• M6: 1,429,557 km (0.086 R)
• M7: 1,734,737 km (0.103 R)
• M8: 3,305,515 km (0.094 R)
• M9: 5,277,514 km (0.099 R)
• M10: 5,980,025 km (0.064 R)
• M11: 8,048,365 km (0.11 R)
• M12: 8,546,826 km (0.106 R)
• M13: 11,508,115 km (0.105 R)
• M14: 13,133,347 km (0.104 R)
• M15: 13,533,521 km (0.087 R)
• M16: 13,882,982 km (0.09 R)
• M17: 14,599,855 km (0.112 R)
• M18: 17,994,529 km (0.113 R)
• M19: 18,774,533 km (0.094 R)
• M20: 19,576,976 km (0.117 R)
• M21: 24,965,192 km (0.095 R)
• M22: 28,232,409 km (0.112 R)
• M23: 29,284,830 km (0.047 R)
• M24: 30,761,960 km (0.096 R)
• M25: 31,671,814 km (0.05 R)
• M26: 32,912,429 km (0.115 R)
• M27: 34,725,256 km (0.103 R)
• M28: 35,380,644 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723

Radius: 4

Gravity: 45.19 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.78 AU - 6.84 AU

Year: 10570 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,503,551 km

• M1: 49,816 km (0.091 R)
• M2: 176,974 km (0.054 R)
• M3: 330,312 km (0.076 R)
• M4: 1,160,281 km (0.104 R)
• M5: 2,256,235 km (0.079 R)
• M6: 3,191,371 km (0.074 R)
• M7: 3,460,498 km (0.073 R)
• M8: 4,910,101 km (0.104 R)
• M9: 5,644,627 km (0.107 R)
• M10: 7,000,283 km (0.104 R)
• M11: 7,245,623 km (0.084 R)
• M12: 7,538,985 km (0.085 R)
• M13: 9,818,856 km (0.061 R)
• M14: 10,230,101 km (0.036 R)
• M15: 13,688,355 km (0.109 R)
• M16: 15,608,743 km (0.119 R)
• M17: 18,697,639 km (0.051 R)
• M18: 21,478,215 km (0.084 R)
• M19: 23,236,289 km (0.049 R)
• M20: 24,150,183 km (0.111 R)
• M21: 25,855,299 km (0.12 R)
• M22: 27,035,477 km (0.061 R)
• M23: 27,436,698 km (0.112 R)
• M24: 31,228,556 km (0.075 R)
• M25: 35,116,903 km (0.069 R)
• M26: 36,685,138 km (0.087 R)
• M27: 38,805,388 km (0.084 R)
• M28: 41,668,692 km (0.079 R)
• M29: 43,015,372 km (0.101 R)
• M30: 46,222,600 km (0.07 R)
• M31: 46,652,395 km (0.082 R)
• M32: 47,084,733 km (0.106 R)
• M33: 50,488,982 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.7

Radius: 5

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.01 AU - 8.21 AU

Year: 12643 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,503,551 km

• M1: 62,233 km (0.12 R)
• M2: 749,336 km (0.102 R)
• M3: 931,845 km (0.102 R)
• M4: 1,401,134 km (0.115 R)
• M5: 1,681,181 km (0.103 R)
• M6: 1,898,846 km (0.118 R)
• M7: 4,235,864 km (0.073 R)
• M8: 7,058,626 km (0.043 R)
• M9: 8,356,986 km (0.058 R)
• M10: 13,680,875 km (0.057 R)
• M11: 15,082,158 km (0.066 R)
• M12: 18,092,067 km (0.116 R)
• M13: 21,147,604 km (0.093 R)
• M14: 28,057,081 km (0.075 R)
• M15: 30,516,918 km (0.099 R)
• M16: 35,392,911 km (0.096 R)
• M17: 43,108,422 km (0.097 R)
• M18: 44,044,156 km (0.087 R)
• M19: 45,404,450 km (0.113 R)
• M20: 46,372,946 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.7

Radius: 4.5

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7 AU - 10.72 AU

Year: 17587 Days

Day: 23.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,503,551 km

• M1: 55,950 km (0.106 R)
• M2: 208,839 km (0.067 R)
• M3: 353,201 km (0.11 R)
• M4: 827,426 km (0.092 R)
• M5: 2,231,402 km (0.046 R)
• M6: 2,852,682 km (0.09 R)
• M7: 3,042,821 km (0.072 R)
• M8: 3,190,923 km (0.101 R)
• M9: 3,691,926 km (0.098 R)
• M10: 4,093,447 km (0.116 R)
• M11: 4,460,261 km (0.081 R)
• M12: 5,294,568 km (0.109 R)
• M13: 6,427,024 km (0.119 R)
• M14: 9,108,266 km (0.112 R)
• M15: 10,440,136 km (0.052 R)
• M16: 16,082,220 km (0.064 R)
• M17: 18,830,782 km (0.101 R)
• M18: 20,359,223 km (0.074 R)
• M19: 20,621,767 km (0.114 R)
• M20: 21,153,588 km (0.109 R)
• M21: 22,710,154 km (0.108 R)
• M22: 23,372,723 km (0.047 R)
• M23: 24,145,545 km (0.119 R)
• M24: 27,407,826 km (0.034 R)
• M25: 28,050,498 km (0.116 R)
• M26: 35,039,711 km (0.066 R)
• M27: 35,416,847 km (0.084 R)
• M28: 36,822,469 km (0.048 R)
• M29: 37,212,321 km (0.108 R)
• M30: 44,412,317 km (0.084 R)
• M31: 50,065,171 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 15,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit