🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 11.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.77 AU - 1.21 AU

Year: 636 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,659,824 km

• M1: 145,559 km (0.059 R)
• M2: 559,197 km (0.089 R)
• M3: 923,468 km (0.12 R)
• M4: 1,654,852 km (0.091 R)
• M5: 2,054,428 km (0.079 R)
• M6: 2,730,760 km (0.104 R)
• M7: 3,140,658 km (0.1 R)
• M8: 3,995,909 km (0.058 R)
• M9: 4,759,606 km (0.115 R)
• M10: 5,431,300 km (0.111 R)
• M11: 6,266,505 km (0.105 R)
• M12: 6,768,855 km (0.052 R)
• M13: 7,185,485 km (0.109 R)
• M14: 7,665,694 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 8.3

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.32 AU - 1.5 AU

Year: 1081 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,659,824 km

• M1: 103,372 km (0.12 R)
• M2: 381,624 km (0.045 R)
• M3: 747,690 km (0.067 R)
• M4: 1,416,243 km (0.039 R)
• M5: 1,751,043 km (0.054 R)
• M6: 2,106,039 km (0.099 R)
• M7: 2,532,991 km (0.109 R)
• M8: 3,058,678 km (0.111 R)
• M9: 3,317,931 km (0.115 R)
• M10: 3,607,702 km (0.105 R)
• M11: 4,291,365 km (0.101 R)
• M12: 4,710,987 km (0.082 R)
• M13: 5,117,893 km (0.104 R)
• M14: 5,783,005 km (0.084 R)
• M15: 7,009,558 km (0.113 R)
• M16: 7,437,408 km (0.094 R)
• M17: 8,739,956 km (0.06 R)
• M18: 10,315,970 km (0.079 R)
• M19: 10,639,550 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 10.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.16 AU - 4.08 AU

Year: 4447 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,659,824 km

• M1: 129,402 km (0.096 R)
• M2: 540,048 km (0.088 R)
• M3: 1,019,360 km (0.092 R)
• M4: 1,369,419 km (0.104 R)
• M5: 1,840,802 km (0.111 R)
• M6: 2,183,082 km (0.052 R)
• M7: 2,534,487 km (0.066 R)
• M8: 2,868,390 km (0.079 R)
• M9: 3,192,269 km (0.112 R)
• M10: 3,824,170 km (0.107 R)
• M11: 4,664,611 km (0.097 R)
• M12: 7,424,842 km (0.101 R)
• M13: 8,341,876 km (0.046 R)
• M14: 10,224,117 km (0.111 R)
• M15: 12,473,770 km (0.085 R)
• M16: 13,660,978 km (0.075 R)
• M17: 15,435,957 km (0.06 R)
• M18: 17,422,168 km (0.027 R)
• M19: 18,120,640 km (0.116 R)
• M20: 18,509,445 km (0.094 R)
• M21: 19,845,654 km (0.092 R)
• M22: 20,960,008 km (0.063 R)
• M23: 23,466,072 km (0.115 R)
• M24: 28,976,958 km (0.086 R)
• M25: 29,331,056 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 7.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.14 AU - 9.56 AU

Year: 14201 Days

Day: 16.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,659,824 km

• M1: 94,396 km (0.078 R)
• M2: 316,699 km (0.066 R)
• M3: 550,071 km (0.084 R)
• M4: 790,625 km (0.102 R)
• M5: 1,224,459 km (0.086 R)
• M6: 2,884,696 km (0.099 R)
• M7: 3,187,931 km (0.105 R)
• M8: 5,977,482 km (0.105 R)
• M9: 6,691,962 km (0.104 R)
• M10: 7,502,184 km (0.118 R)
• M11: 7,786,270 km (0.066 R)
• M12: 8,726,044 km (0.117 R)
• M13: 10,077,810 km (0.099 R)
• M14: 10,726,915 km (0.118 R)
• M15: 11,192,464 km (0.109 R)
• M16: 12,275,104 km (0.091 R)
• M17: 12,899,376 km (0.043 R)
• M18: 16,614,639 km (0.026 R)
• M19: 17,590,615 km (0.057 R)
• M20: 25,336,045 km (0.096 R)
• M21: 29,541,391 km (0.117 R)
• M22: 30,046,882 km (0.069 R)
• M23: 30,867,576 km (0.064 R)
• M24: 33,638,278 km (0.12 R)
• M25: 34,078,694 km (0.1 R)
• M26: 36,338,968 km (0.119 R)
• M27: 36,919,259 km (0.109 R)
• M28: 39,302,502 km (0.063 R)
• M29: 39,546,347 km (0.116 R)
• M30: 40,905,443 km (0.117 R)
• M31: 42,808,478 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 4.4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.38 AU - 9.66 AU

Year: 14665 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,659,824 km

• M1: 55,052 km (0.105 R)
• M2: 306,975 km (0.107 R)
• M3: 717,920 km (0.089 R)
• M4: 888,462 km (0.081 R)
• M5: 1,095,954 km (0.072 R)
• M6: 2,234,394 km (0.086 R)
• M7: 3,367,448 km (0.088 R)
• M8: 3,731,120 km (0.117 R)
• M9: 3,922,456 km (0.107 R)
• M10: 4,324,874 km (0.101 R)
• M11: 4,671,642 km (0.084 R)
• M12: 5,152,749 km (0.118 R)
• M13: 5,760,266 km (0.063 R)
• M14: 8,425,202 km (0.078 R)
• M15: 15,513,898 km (0.083 R)
• M16: 16,578,885 km (0.071 R)
• M17: 17,960,720 km (0.029 R)
• M18: 18,369,123 km (0.071 R)
• M19: 19,134,166 km (0.116 R)
• M20: 20,211,121 km (0.11 R)
• M21: 23,360,156 km (0.091 R)
• M22: 25,092,799 km (0.105 R)
• M23: 31,979,537 km (0.088 R)
• M24: 33,186,642 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.6

Radius: 7.4

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.08 AU - 9.14 AU

Year: 17754 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,659,824 km

• M1: 92,003 km (0.057 R)
• M2: 364,570 km (0.071 R)
• M3: 630,405 km (0.082 R)
• M4: 1,637,648 km (0.086 R)
• M5: 1,918,144 km (0.091 R)
• M6: 2,313,830 km (0.086 R)
• M7: 2,883,948 km (0.113 R)
• M8: 3,572,547 km (0.089 R)
• M9: 4,909,503 km (0.105 R)
• M10: 5,927,965 km (0.101 R)
• M11: 7,171,572 km (0.087 R)
• M12: 7,496,200 km (0.069 R)
• M13: 12,391,491 km (0.108 R)
• M14: 13,408,308 km (0.082 R)
• M15: 13,830,323 km (0.088 R)
• M16: 14,553,330 km (0.114 R)
• M17: 18,206,360 km (0.118 R)
• M18: 19,518,483 km (0.091 R)
• M19: 23,424,932 km (0.105 R)
• M20: 24,243,532 km (0.077 R)
• M21: 28,279,233 km (0.115 R)
• M22: 29,090,054 km (0.031 R)
• M23: 32,867,999 km (0.095 R)
• M24: 33,122,315 km (0.115 R)
• M25: 35,205,166 km (0.09 R)
• M26: 39,486,059 km (0.071 R)
• M27: 40,791,151 km (0.03 R)
• M28: 41,528,369 km (0.04 R)
• M29: 42,124,516 km (0.106 R)
• M30: 44,256,286 km (0.028 R)
• M31: 45,034,644 km (0.11 R)
• M32: 47,587,083 km (0.096 R)
• M33: 52,456,194 km (0.094 R)
• M34: 58,762,343 km (0.046 R)
• M35: 64,355,658 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.2

Radius: 5.1

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.13 AU - 11.45 AU

Year: 21313 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,659,824 km

• M1: 63,429 km (0.086 R)
• M2: 311,164 km (0.102 R)
• M3: 482,752 km (0.114 R)
• M4: 1,478,625 km (0.071 R)
• M5: 1,867,430 km (0.107 R)
• M6: 2,086,142 km (0.108 R)
• M7: 3,029,207 km (0.108 R)
• M8: 3,534,998 km (0.105 R)
• M9: 4,160,915 km (0.041 R)
• M10: 4,328,465 km (0.091 R)
• M11: 5,157,536 km (0.108 R)
• M12: 7,077,475 km (0.065 R)
• M13: 10,314,474 km (0.063 R)
• M14: 12,183,849 km (0.106 R)
• M15: 12,948,444 km (0.05 R)
• M16: 15,353,828 km (0.065 R)
• M17: 15,835,832 km (0.056 R)
• M18: 16,661,463 km (0.108 R)
• M19: 16,999,704 km (0.113 R)
• M20: 18,219,225 km (0.093 R)
• M21: 20,734,115 km (0.049 R)
• M22: 23,260,524 km (0.052 R)
• M23: 24,761,290 km (0.093 R)
• M24: 27,717,493 km (0.111 R)
• M25: 28,311,846 km (0.092 R)
• M26: 30,270,531 km (0.12 R)
• M27: 35,698,540 km (0.093 R)
• M28: 35,978,737 km (0.096 R)
• M29: 36,543,618 km (0.114 R)
• M30: 46,236,812 km (0.102 R)
• M31: 47,072,167 km (0.119 R)
• M32: 51,045,187 km (0.089 R)
• M33: 61,842,264 km (0.083 R)
• M34: 69,173,008 km (0.057 R)
• M35: 69,608,637 km (0.027 R)
• M36: 73,611,278 km (0.088 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: 316 - 18,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit