🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 11.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.69 AU - 1.85 AU

Year: 1520 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,189,559 km

• M1: 218,413 km (0.098 R)
• M2: 502,050 km (0.083 R)
• M3: 740,210 km (0.095 R)
• M4: 1,382,135 km (0.108 R)
• M5: 1,738,776 km (0.107 R)
• M6: 2,075,072 km (0.088 R)
• M7: 2,343,451 km (0.095 R)
• M8: 2,778,631 km (0.081 R)
• M9: 3,383,754 km (0.105 R)
• M10: 3,779,441 km (0.049 R)
• M11: 4,077,888 km (0.079 R)
• M12: 5,953,546 km (0.093 R)
• M13: 6,648,429 km (0.098 R)
• M14: 7,310,848 km (0.047 R)
• M15: 7,838,031 km (0.101 R)
• M16: 8,634,639 km (0.069 R)
• M17: 9,716,531 km (0.051 R)
• M18: 10,495,188 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 12.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.91 AU - 3.95 AU

Year: 5030 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 130.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,189,559 km

• M1: 156,928 km (0.031 R)
• M2: 402,568 km (0.091 R)
• M3: 729,589 km (0.109 R)
• M4: 1,059,153 km (0.033 R)
• M5: 1,635,853 km (0.12 R)
• M6: 1,900,641 km (0.116 R)
• M7: 2,625,293 km (0.098 R)
• M8: 3,123,753 km (0.116 R)
• M9: 4,494,369 km (0.106 R)
• M10: 4,962,909 km (0.117 R)
• M11: 5,552,175 km (0.076 R)
• M12: 5,972,246 km (0.119 R)
• M13: 6,226,712 km (0.098 R)
• M14: 7,637,869 km (0.092 R)
• M15: 8,013,659 km (0.088 R)
• M16: 9,133,698 km (0.085 R)
• M17: 9,737,924 km (0.119 R)
• M18: 10,261,816 km (0.083 R)
• M19: 10,867,986 km (0.063 R)
• M20: 11,668,335 km (0.113 R)
• M21: 11,917,565 km (0.113 R)
• M22: 16,227,180 km (0.048 R)
• M23: 18,477,132 km (0.119 R)
• M24: 21,544,936 km (0.082 R)
• M25: 21,981,762 km (0.084 R)
• M26: 22,719,429 km (0.085 R)
• M27: 23,469,363 km (0.112 R)
• M28: 27,294,132 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.7

Radius: 8.8

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.25 AU - 5.61 AU

Year: 8170 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,189,559 km

• M1: 130,001 km (0.109 R)
• M2: 312,809 km (0.079 R)
• M3: 576,401 km (0.086 R)
• M4: 1,011,730 km (0.104 R)
• M5: 2,129,825 km (0.099 R)
• M6: 2,732,405 km (0.071 R)
• M7: 3,098,621 km (0.11 R)
• M8: 4,772,621 km (0.114 R)
• M9: 5,476,030 km (0.102 R)
• M10: 6,468,014 km (0.11 R)
• M11: 6,817,325 km (0.104 R)
• M12: 8,504,789 km (0.071 R)
• M13: 8,945,953 km (0.112 R)
• M14: 9,398,486 km (0.028 R)
• M15: 9,734,782 km (0.055 R)
• M16: 11,367,643 km (0.104 R)
• M17: 12,160,661 km (0.061 R)
• M18: 12,785,382 km (0.077 R)
• M19: 13,326,328 km (0.118 R)
• M20: 14,235,733 km (0.082 R)
• M21: 14,597,611 km (0.113 R)
• M22: 17,315,505 km (0.107 R)
• M23: 19,356,917 km (0.072 R)
• M24: 20,083,215 km (0.041 R)
• M25: 20,760,744 km (0.113 R)
• M26: 22,213,937 km (0.049 R)
• M27: 24,858,977 km (0.065 R)
• M28: 25,200,061 km (0.109 R)
• M29: 25,405,907 km (0.103 R)
• M30: 26,377,396 km (0.092 R)
• M31: 34,167,406 km (0.066 R)
• M32: 34,487,246 km (0.109 R)
• M33: 37,349,203 km (0.068 R)
• M34: 38,103,625 km (0.078 R)
• M35: 40,238,835 km (0.053 R)
• M36: 41,812,455 km (0.107 R)
• M37: 42,077,692 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.1

Radius: 5.1

Gravity: 37.95 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.53 AU - 8.01 AU

Year: 13984 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 82.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,189,559 km

• M1: 141,669 km (0.116 R)
• M2: 315,053 km (0.045 R)
• M3: 1,021,305 km (0.053 R)
• M4: 1,224,159 km (0.11 R)
• M5: 1,795,025 km (0.051 R)
• M6: 2,688,573 km (0.069 R)
• M7: 3,190,175 km (0.053 R)
• M8: 3,427,138 km (0.114 R)
• M9: 4,358,983 km (0.092 R)
• M10: 5,031,126 km (0.112 R)
• M11: 5,830,876 km (0.117 R)
• M12: 6,232,546 km (0.032 R)
• M13: 6,732,652 km (0.116 R)
• M14: 8,302,233 km (0.117 R)
• M15: 9,223,756 km (0.052 R)
• M16: 10,037,568 km (0.105 R)
• M17: 11,378,564 km (0.118 R)
• M18: 13,821,796 km (0.108 R)
• M19: 13,944,167 km (0.041 R)
• M20: 19,135,812 km (0.101 R)
• M21: 22,040,254 km (0.112 R)
• M22: 22,349,772 km (0.096 R)
• M23: 24,333,290 km (0.07 R)
• M24: 27,510,300 km (0.061 R)
• M25: 27,769,404 km (0.098 R)
• M26: 32,830,150 km (0.103 R)
• M27: 33,587,714 km (0.086 R)
• M28: 35,617,607 km (0.116 R)
• M29: 36,505,770 km (0.062 R)
• M30: 36,704,586 km (0.118 R)
• M31: 39,960,134 km (0.07 R)
• M32: 41,533,754 km (0.115 R)
• M33: 43,030,032 km (0.113 R)
• M34: 44,115,066 km (0.076 R)
• M35: 44,552,789 km (0.098 R)
• M36: 48,132,965 km (0.09 R)
• M37: 50,091,201 km (0.119 R)
• M38: 50,908,903 km (0.07 R)
• M39: 51,851,669 km (0.093 R)
• M40: 54,488,481 km (0.053 R)
• M41: 55,097,045 km (0.108 R)
• M42: 56,694,751 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 7.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.21 AU - 8.77 AU

Year: 14583 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,189,559 km

• M1: 92,152 km (0.047 R)
• M2: 528,380 km (0.069 R)
• M3: 940,522 km (0.082 R)
• M4: 1,178,532 km (0.077 R)
• M5: 1,349,074 km (0.106 R)
• M6: 2,154,957 km (0.064 R)
• M7: 2,992,107 km (0.089 R)
• M8: 3,782,732 km (0.036 R)
• M9: 5,939,035 km (0.09 R)
• M10: 6,914,563 km (0.085 R)
• M11: 7,595,533 km (0.091 R)
• M12: 9,532,825 km (0.12 R)
• M13: 10,023,207 km (0.107 R)
• M14: 11,282,971 km (0.085 R)
• M15: 14,761,869 km (0.052 R)
• M16: 16,187,686 km (0.098 R)
• M17: 17,628,763 km (0.088 R)
• M18: 19,556,930 km (0.107 R)
• M19: 21,811,220 km (0.086 R)
• M20: 28,469,223 km (0.083 R)
• M21: 30,239,265 km (0.035 R)
• M22: 31,721,181 km (0.057 R)
• M23: 34,506,544 km (0.095 R)
• M24: 36,599,418 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.7

Radius: 3

Gravity: 35.74 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.04 AU - 9.56 AU

Year: 15439 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,189,559 km

• M1: 43,383 km (0.11 R)
• M2: 295,157 km (0.064 R)
• M3: 617,390 km (0.109 R)
• M4: 801,994 km (0.118 R)
• M5: 1,156,242 km (0.054 R)
• M6: 1,310,477 km (0.097 R)
• M7: 1,543,102 km (0.074 R)
• M8: 2,830,841 km (0.049 R)
• M9: 3,322,120 km (0.081 R)
• M10: 3,425,193 km (0.111 R)
• M11: 3,825,816 km (0.114 R)
• M12: 4,394,737 km (0.057 R)
• M13: 5,035,016 km (0.115 R)
• M14: 5,486,203 km (0.119 R)
• M15: 6,590,684 km (0.075 R)
• M16: 6,882,699 km (0.073 R)
• M17: 8,768,530 km (0.113 R)
• M18: 10,744,717 km (0.112 R)
• M19: 11,735,953 km (0.092 R)
• M20: 12,570,410 km (0.027 R)
• M21: 12,720,606 km (0.088 R)
• M22: 13,330,517 km (0.098 R)
• M23: 14,593,422 km (0.104 R)
• M24: 15,081,709 km (0.12 R)
• M25: 17,408,255 km (0.116 R)
• M26: 17,822,193 km (0.058 R)
• M27: 19,714,007 km (0.11 R)
• M28: 19,965,033 km (0.062 R)
• M29: 23,784,117 km (0.097 R)
• M30: 23,852,932 km (0.088 R)
• M31: 25,676,081 km (0.099 R)
• M32: 34,546,935 km (0.091 R)
• M33: 36,734,804 km (0.114 R)
• M34: 37,853,946 km (0.025 R)
• M35: 37,940,713 km (0.063 R)
• M36: 40,411,022 km (0.109 R)
• M37: 43,515,627 km (0.069 R)
• M38: 43,795,076 km (0.076 R)
• M39: 44,921,847 km (0.117 R)
• M40: 45,111,088 km (0.104 R)
• M41: 48,388,030 km (0.104 R)
• M42: 48,682,737 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.1

Radius: 5.3

Gravity: 20.44 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.83 AU - 11.57 AU

Year: 21034 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,189,559 km

• M1: 65,973 km (0.108 R)
• M2: 251,175 km (0.071 R)
• M3: 350,807 km (0.098 R)
• M4: 720,912 km (0.108 R)
• M5: 2,826,951 km (0.064 R)
• M6: 3,621,016 km (0.111 R)
• M7: 4,478,960 km (0.091 R)
• M8: 4,588,167 km (0.096 R)
• M9: 7,895,177 km (0.116 R)
• M10: 9,198,025 km (0.078 R)
• M11: 10,489,503 km (0.109 R)
• M12: 12,044,573 km (0.117 R)
• M13: 14,416,298 km (0.119 R)
• M14: 18,671,011 km (0.091 R)
• M15: 20,887,304 km (0.068 R)
• M16: 23,895,866 km (0.104 R)
• M17: 37,326,464 km (0.115 R)
• M18: 54,760,301 km (0.113 R)
• M19: 59,440,769 km (0.106 R)
• M20: 60,373,213 km (0.093 R)
• M21: 62,940,611 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 11,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit