🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 8.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.69 AU - 0.71 AU

Year: 391 Days

Day: 7.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,481,041 km

• M1: 100,679 km (0.083 R)
• M2: 375,191 km (0.116 R)
• M3: 643,420 km (0.112 R)
• M4: 970,741 km (0.112 R)
• M5: 1,420,881 km (0.099 R)
• M6: 1,719,029 km (0.116 R)
• M7: 2,204,025 km (0.106 R)
• M8: 2,560,517 km (0.083 R)
• M9: 2,855,524 km (0.101 R)
• M10: 3,446,286 km (0.049 R)
• M11: 4,192,480 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 10.8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.71 AU - 0.83 AU

Year: 451 Days

Day: 5.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,481,041 km

• M1: 134,339 km (0.058 R)
• M2: 498,161 km (0.116 R)
• M3: 907,760 km (0.028 R)
• M4: 1,381,387 km (0.052 R)
• M5: 1,816,567 km (0.058 R)
• M6: 2,436,650 km (0.075 R)
• M7: 3,297,735 km (0.104 R)
• M8: 4,509,329 km (0.106 R)
• M9: 4,884,969 km (0.093 R)
• M10: 5,803,201 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 13.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.03 AU

Year: 504 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,481,041 km

• M1: 166,353 km (0.112 R)
• M2: 642,074 km (0.078 R)
• M3: 1,338,901 km (0.112 R)
• M4: 1,939,836 km (0.064 R)
• M5: 2,957,999 km (0.091 R)
• M6: 3,508,070 km (0.114 R)
• M7: 4,058,590 km (0.07 R)
• M8: 4,696,027 km (0.113 R)
• M9: 5,317,905 km (0.094 R)
• M10: 6,100,601 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 14

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.24 AU - 2.86 AU

Year: 2715 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,481,041 km

• M1: 174,132 km (0.073 R)
• M2: 1,115,551 km (0.064 R)
• M3: 1,834,967 km (0.079 R)
• M4: 2,547,951 km (0.068 R)
• M5: 2,994,800 km (0.065 R)
• M6: 3,871,593 km (0.101 R)
• M7: 5,052,967 km (0.088 R)
• M8: 5,844,041 km (0.069 R)
• M9: 6,716,346 km (0.085 R)
• M10: 7,642,506 km (0.077 R)
• M11: 8,517,205 km (0.045 R)
• M12: 9,066,229 km (0.112 R)
• M13: 9,639,040 km (0.118 R)
• M14: 10,621,299 km (0.085 R)
• M15: 11,710,970 km (0.061 R)
• M16: 12,218,705 km (0.042 R)
• M17: 13,971,095 km (0.075 R)
• M18: 14,446,218 km (0.103 R)
• M19: 15,129,581 km (0.083 R)
• M20: 16,039,884 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 14.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.57 AU - 3.35 AU

Year: 3396 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,481,041 km

• M1: 176,974 km (0.095 R)
• M2: 702,811 km (0.027 R)
• M3: 1,225,207 km (0.084 R)
• M4: 1,840,951 km (0.086 R)
• M5: 3,630,740 km (0.031 R)
• M6: 4,129,200 km (0.119 R)
• M7: 4,749,583 km (0.119 R)
• M8: 6,064,398 km (0.107 R)
• M9: 6,552,985 km (0.064 R)
• M10: 10,157,097 km (0.061 R)
• M11: 12,143,458 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 11.2

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.54 AU - 3.72 AU

Year: 3693 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,481,041 km

• M1: 142,716 km (0.068 R)
• M2: 590,612 km (0.061 R)
• M3: 1,065,586 km (0.086 R)
• M4: 1,978,282 km (0.094 R)
• M5: 2,842,210 km (0.111 R)
• M6: 3,863,963 km (0.074 R)
• M7: 4,620,480 km (0.099 R)
• M8: 5,115,350 km (0.099 R)
• M9: 5,720,623 km (0.12 R)
• M10: 6,987,567 km (0.042 R)
• M11: 8,564,777 km (0.1 R)
• M12: 12,883,668 km (0.113 R)
• M13: 13,503,751 km (0.115 R)
• M14: 14,660,591 km (0.109 R)
• M15: 18,694,947 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 10.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.78 AU - 5.8 AU

Year: 8114 Days

Day: 12.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,481,041 km

• M1: 130,150 km (0.093 R)
• M2: 544,237 km (0.085 R)
• M3: 1,382,135 km (0.117 R)
• M4: 1,715,289 km (0.06 R)
• M5: 2,318,169 km (0.07 R)
• M6: 3,099,069 km (0.095 R)
• M7: 3,774,953 km (0.092 R)
• M8: 4,912,046 km (0.117 R)
• M9: 5,266,892 km (0.092 R)
• M10: 5,670,806 km (0.043 R)
• M11: 6,505,712 km (0.11 R)
• M12: 6,898,107 km (0.114 R)
• M13: 7,458,800 km (0.09 R)
• M14: 7,889,044 km (0.089 R)
• M15: 10,010,790 km (0.065 R)
• M16: 11,177,953 km (0.118 R)
• M17: 12,487,682 km (0.054 R)
• M18: 14,014,478 km (0.052 R)
• M19: 15,788,858 km (0.042 R)
• M20: 17,231,431 km (0.086 R)
• M21: 17,571,168 km (0.114 R)
• M22: 18,546,396 km (0.037 R)
• M23: 20,528,568 km (0.076 R)
• M24: 22,974,044 km (0.062 R)
• M25: 24,224,383 km (0.058 R)
• M26: 31,365,438 km (0.051 R)
• M27: 37,816,846 km (0.115 R)
• M28: 38,160,921 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.9

Radius: 4.8

Gravity: 28.68 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.56 AU - 9.2 AU

Year: 13369 Days

Day: 16.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,481,041 km

• M1: 59,839 km (0.109 R)
• M2: 286,181 km (0.064 R)
• M3: 583,880 km (0.077 R)
• M4: 1,374,954 km (0.058 R)
• M5: 1,820,456 km (0.098 R)
• M6: 2,296,776 km (0.036 R)
• M7: 2,521,622 km (0.104 R)
• M8: 2,921,347 km (0.083 R)
• M9: 3,492,213 km (0.109 R)
• M10: 6,252,593 km (0.093 R)
• M11: 6,773,941 km (0.11 R)
• M12: 7,024,218 km (0.088 R)
• M13: 8,852,604 km (0.101 R)
• M14: 9,253,077 km (0.065 R)
• M15: 10,749,804 km (0.115 R)
• M16: 12,712,378 km (0.118 R)
• M17: 16,344,016 km (0.113 R)
• M18: 17,175,780 km (0.081 R)
• M19: 18,114,806 km (0.11 R)
• M20: 20,438,211 km (0.117 R)
• M21: 22,397,644 km (0.1 R)
• M22: 23,898,858 km (0.085 R)
• M23: 25,067,816 km (0.025 R)
• M24: 25,666,357 km (0.107 R)
• M25: 26,274,472 km (0.047 R)
• M26: 27,624,743 km (0.067 R)
• M27: 28,370,638 km (0.115 R)
• M28: 37,741,598 km (0.111 R)
• M29: 38,133,245 km (0.12 R)
• M30: 40,676,559 km (0.052 R)
• M31: 40,950,622 km (0.096 R)
• M32: 45,065,311 km (0.092 R)
• M33: 50,072,801 km (0.114 R)
• M34: 50,862,378 km (0.067 R)
• M35: 52,304,652 km (0.105 R)
• M36: 53,445,186 km (0.073 R)
• M37: 54,269,769 km (0.065 R)
• M38: 55,606,875 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 19,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit