🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 8.2

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.69 AU - 0.89 AU

Year: 468 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,042,373 km

• M1: 102,325 km (0.108 R)
• M2: 273,914 km (0.077 R)
• M3: 459,714 km (0.043 R)
• M4: 666,758 km (0.111 R)
• M5: 827,875 km (0.103 R)
• M6: 1,018,911 km (0.11 R)
• M7: 1,515,127 km (0.075 R)
• M8: 1,744,910 km (0.074 R)
• M9: 1,964,370 km (0.101 R)
• M10: 2,483,325 km (0.082 R)
• M11: 2,836,824 km (0.107 R)
• M12: 3,495,803 km (0.04 R)
• M13: 3,974,666 km (0.102 R)
• M14: 4,174,977 km (0.116 R)
• M15: 4,622,873 km (0.107 R)
• M16: 5,004,647 km (0.059 R)
• M17: 5,814,720 km (0.113 R)
• M18: 6,119,002 km (0.105 R)
• M19: 6,368,232 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.7

Radius: 14.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.02 AU - 1.28 AU

Year: 822 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,042,373 km

• M1: 192,383 km (0.1 R)
• M2: 480,209 km (0.069 R)
• M3: 802,144 km (0.086 R)
• M4: 1,240,017 km (0.09 R)
• M5: 1,513,482 km (0.109 R)
• M6: 1,842,298 km (0.111 R)
• M7: 2,162,886 km (0.111 R)
• M8: 2,502,324 km (0.095 R)
• M9: 3,316,884 km (0.093 R)
• M10: 3,871,294 km (0.104 R)
• M11: 4,215,668 km (0.116 R)
• M12: 4,562,286 km (0.076 R)
• M13: 4,950,343 km (0.118 R)
• M14: 5,255,822 km (0.074 R)
• M15: 6,524,861 km (0.068 R)
• M16: 7,072,239 km (0.109 R)
• M17: 8,128,400 km (0.089 R)
• M18: 8,503,143 km (0.106 R)
• M19: 8,849,761 km (0.107 R)
• M20: 9,951,400 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.4

Radius: 14.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.43 AU - 4.01 AU

Year: 4785 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,042,373 km

• M1: 186,249 km (0.039 R)
• M2: 821,741 km (0.107 R)
• M3: 1,221,018 km (0.057 R)
• M4: 2,163,036 km (0.106 R)
• M5: 2,538,975 km (0.084 R)
• M6: 3,352,488 km (0.091 R)
• M7: 3,902,260 km (0.11 R)
• M8: 4,886,914 km (0.103 R)
• M9: 5,575,662 km (0.088 R)
• M10: 6,567,347 km (0.049 R)
• M11: 7,642,806 km (0.098 R)
• M12: 8,771,821 km (0.062 R)
• M13: 9,074,158 km (0.058 R)
• M14: 9,443,814 km (0.069 R)
• M15: 10,044,599 km (0.117 R)
• M16: 10,897,307 km (0.116 R)
• M17: 11,542,822 km (0.081 R)
• M18: 12,600,329 km (0.063 R)
• M19: 13,667,411 km (0.038 R)
• M20: 15,251,204 km (0.062 R)
• M21: 15,570,446 km (0.063 R)
• M22: 16,259,942 km (0.035 R)
• M23: 18,682,380 km (0.107 R)
• M24: 19,482,579 km (0.093 R)
• M25: 20,208,129 km (0.091 R)
• M26: 20,529,765 km (0.054 R)
• M27: 21,652,048 km (0.116 R)
• M28: 22,368,771 km (0.104 R)
• M29: 24,237,099 km (0.109 R)
• M30: 25,404,561 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 12.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.2 AU - 5.34 AU

Year: 6947 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,042,373 km

• M1: 217,964 km (0.081 R)
• M2: 636,389 km (0.08 R)
• M3: 929,152 km (0.095 R)
• M4: 1,532,929 km (0.114 R)
• M5: 2,503,520 km (0.081 R)
• M6: 3,796,794 km (0.054 R)
• M7: 4,450,387 km (0.108 R)
• M8: 6,064,997 km (0.114 R)
• M9: 6,756,139 km (0.04 R)
• M10: 9,162,271 km (0.032 R)
• M11: 10,560,862 km (0.069 R)
• M12: 12,450,881 km (0.111 R)
• M13: 14,993,596 km (0.091 R)
• M14: 15,463,034 km (0.102 R)
• M15: 17,306,678 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.2

Radius: 6.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.69 AU - 6.27 AU

Year: 9752 Days

Day: 16.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,042,373 km

• M1: 106,962 km (0.109 R)
• M2: 310,864 km (0.092 R)
• M3: 500,554 km (0.064 R)
• M4: 810,521 km (0.105 R)
• M5: 1,228,947 km (0.109 R)
• M6: 1,486,404 km (0.042 R)
• M7: 4,576,797 km (0.069 R)
• M8: 4,905,314 km (0.113 R)
• M9: 9,250,235 km (0.102 R)
• M10: 10,543,957 km (0.102 R)
• M11: 15,231,606 km (0.111 R)
• M12: 15,401,400 km (0.08 R)
• M13: 16,439,609 km (0.104 R)
• M14: 20,097,876 km (0.113 R)
• M15: 25,421,316 km (0.095 R)
• M16: 25,695,828 km (0.118 R)
• M17: 26,416,142 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.7

Radius: 6.5

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.61 AU - 8.23 AU

Year: 12139 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,042,373 km

• M1: 81,232 km (0.086 R)
• M2: 386,411 km (0.086 R)
• M3: 630,854 km (0.114 R)
• M4: 1,529,189 km (0.088 R)
• M5: 1,942,379 km (0.08 R)
• M6: 3,091,739 km (0.112 R)
• M7: 3,518,692 km (0.096 R)
• M8: 3,676,218 km (0.119 R)
• M9: 4,341,181 km (0.104 R)
• M10: 4,785,486 km (0.096 R)
• M11: 5,347,675 km (0.116 R)
• M12: 5,640,737 km (0.027 R)
• M13: 5,874,110 km (0.09 R)
• M14: 6,077,862 km (0.115 R)
• M15: 7,450,872 km (0.051 R)
• M16: 8,071,104 km (0.109 R)
• M17: 8,431,186 km (0.097 R)
• M18: 10,394,808 km (0.077 R)
• M19: 10,666,179 km (0.119 R)
• M20: 12,027,818 km (0.095 R)
• M21: 14,250,693 km (0.097 R)
• M22: 14,943,780 km (0.08 R)
• M23: 16,492,716 km (0.051 R)
• M24: 17,881,583 km (0.092 R)
• M25: 20,700,905 km (0.098 R)
• M26: 25,529,924 km (0.086 R)
• M27: 28,134,722 km (0.117 R)
• M28: 28,506,622 km (0.034 R)
• M29: 30,171,647 km (0.119 R)
• M30: 34,213,931 km (0.055 R)
• M31: 35,952,258 km (0.111 R)
• M32: 36,372,628 km (0.113 R)
• M33: 37,135,278 km (0.099 R)
• M34: 42,149,798 km (0.082 R)
• M35: 42,696,130 km (0.086 R)
• M36: 44,823,112 km (0.061 R)
• M37: 46,143,164 km (0.045 R)
• M38: 46,714,777 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.2

Radius: 3.2

Gravity: 92.7 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.28 AU - 8.04 AU

Year: 14138 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 89.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 77,042,373 km

• M1: 47,871 km (0.082 R)
• M2: 1,229,844 km (0.098 R)
• M3: 1,740,571 km (0.118 R)
• M4: 2,545,707 km (0.096 R)
• M5: 2,677,203 km (0.048 R)
• M6: 2,922,394 km (0.09 R)
• M7: 3,850,500 km (0.115 R)
• M8: 4,345,968 km (0.05 R)
• M9: 4,448,741 km (0.069 R)
• M10: 5,164,418 km (0.083 R)
• M11: 5,389,712 km (0.055 R)
• M12: 6,216,091 km (0.102 R)
• M13: 6,672,813 km (0.06 R)
• M14: 8,375,386 km (0.061 R)
• M15: 8,661,866 km (0.062 R)
• M16: 9,805,392 km (0.114 R)
• M17: 10,063,299 km (0.101 R)
• M18: 10,272,138 km (0.109 R)
• M19: 10,803,659 km (0.109 R)
• M20: 12,945,901 km (0.034 R)
• M21: 14,028,540 km (0.103 R)
• M22: 16,925,653 km (0.042 R)
• M23: 17,332,559 km (0.083 R)
• M24: 18,652,910 km (0.094 R)
• M25: 19,295,283 km (0.113 R)
• M26: 19,367,389 km (0.118 R)
• M27: 24,339,274 km (0.099 R)
• M28: 25,236,862 km (0.063 R)
• M29: 27,854,226 km (0.101 R)
• M30: 28,201,293 km (0.078 R)
• M31: 30,419,680 km (0.099 R)
• M32: 31,606,440 km (0.052 R)
• M33: 33,952,583 km (0.089 R)
• M34: 36,185,331 km (0.086 R)
• M35: 36,879,017 km (0.098 R)
• M36: 41,601,373 km (0.055 R)
• M37: 41,707,288 km (0.103 R)
• M38: 44,944,436 km (0.112 R)
• M39: 48,531,045 km (0.108 R)
• M40: 49,564,467 km (0.101 R)
• M41: 51,311,322 km (0.09 R)
• M42: 52,018,471 km (0.111 R)
• M43: 52,730,557 km (0.101 R)
• M44: 55,627,071 km (0.106 R)
• M45: 61,266,910 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.6

Radius: 4.8

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.41 AU - 9.45 AU

Year: 14892 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,042,373 km

• M1: 75,248 km (0.112 R)
• M2: 226,192 km (0.042 R)
• M3: 560,842 km (0.066 R)
• M4: 929,900 km (0.098 R)
• M5: 1,286,691 km (0.104 R)
• M6: 1,478,177 km (0.104 R)
• M7: 1,662,332 km (0.052 R)
• M8: 2,111,873 km (0.086 R)
• M9: 2,408,227 km (0.06 R)
• M10: 3,540,234 km (0.106 R)
• M11: 5,191,645 km (0.052 R)
• M12: 5,575,961 km (0.091 R)
• M13: 7,431,723 km (0.097 R)
• M14: 7,984,338 km (0.115 R)
• M15: 8,268,274 km (0.05 R)
• M16: 9,199,970 km (0.056 R)
• M17: 10,288,145 km (0.102 R)
• M18: 10,718,837 km (0.103 R)
• M19: 12,179,660 km (0.094 R)
• M20: 12,885,613 km (0.102 R)
• M21: 13,795,916 km (0.111 R)
• M22: 14,294,376 km (0.091 R)
• M23: 15,908,836 km (0.086 R)
• M24: 21,349,411 km (0.106 R)
• M25: 21,657,882 km (0.053 R)
• M26: 23,073,826 km (0.11 R)
• M27: 24,617,078 km (0.082 R)
• M28: 26,040,501 km (0.075 R)
• M29: 27,591,233 km (0.115 R)
• M30: 29,457,317 km (0.105 R)
• M31: 32,989,472 km (0.11 R)
• M32: 33,276,850 km (0.113 R)
• M33: 35,027,294 km (0.12 R)
• M34: 38,663,270 km (0.03 R)
• M35: 39,600,352 km (0.043 R)
• M36: 44,232,500 km (0.114 R)
• M37: 45,458,754 km (0.032 R)
• M38: 49,238,045 km (0.083 R)
• M39: 63,323,582 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.5

Radius: 4.4

Gravity: 35.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.85 AU - 10.59 AU

Year: 20208 Days

Day: 20.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,042,373 km

• M1: 99,034 km (0.116 R)
• M2: 287,677 km (0.099 R)
• M3: 476,320 km (0.083 R)
• M4: 610,958 km (0.046 R)
• M5: 1,563,747 km (0.078 R)
• M6: 2,075,222 km (0.113 R)
• M7: 2,632,923 km (0.118 R)
• M8: 3,952,226 km (0.077 R)
• M9: 4,056,795 km (0.096 R)
• M10: 5,502,060 km (0.113 R)
• M11: 5,584,339 km (0.11 R)
• M12: 10,708,515 km (0.07 R)
• M13: 14,356,010 km (0.058 R)
• M14: 18,388,869 km (0.088 R)
• M15: 22,421,280 km (0.111 R)
• M16: 24,805,421 km (0.057 R)
• M17: 27,310,288 km (0.116 R)
• M18: 28,327,404 km (0.091 R)
• M19: 29,458,214 km (0.112 R)
• M20: 30,805,493 km (0.113 R)
• M21: 31,984,324 km (0.094 R)
• M22: 33,590,556 km (0.083 R)
• M23: 33,692,283 km (0.089 R)
• M24: 39,083,192 km (0.092 R)
• M25: 40,409,826 km (0.086 R)
• M26: 42,555,657 km (0.03 R)
• M27: 45,938,065 km (0.083 R)
• M28: 46,295,455 km (0.091 R)
• M29: 49,080,817 km (0.116 R)
• M30: 53,603,909 km (0.106 R)
• M31: 53,861,068 km (0.12 R)
• M32: 60,762,915 km (0.099 R)
• M33: 64,934,003 km (0.06 R)
• M34: 65,500,680 km (0.1 R)
• M35: 72,641,884 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 19,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit