🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 11.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.87 AU - 1.29 AU

Year: 714 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,596,278 km

• M1: 146,008 km (0.096 R)
• M2: 544,835 km (0.062 R)
• M3: 1,040,004 km (0.07 R)
• M4: 1,473,988 km (0.05 R)
• M5: 1,893,759 km (0.048 R)
• M6: 2,564,855 km (0.11 R)
• M7: 3,415,319 km (0.057 R)
• M8: 3,950,880 km (0.087 R)
• M9: 4,927,754 km (0.04 R)
• M10: 5,335,558 km (0.051 R)
• M11: 5,708,356 km (0.048 R)
• M12: 6,199,037 km (0.104 R)
• M13: 6,632,870 km (0.059 R)
• M14: 7,654,474 km (0.079 R)
• M15: 8,057,641 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 11.1

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.22 AU - 1.52 AU

Year: 1020 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,596,278 km

• M1: 138,079 km (0.076 R)
• M2: 497,563 km (0.092 R)
• M3: 879,785 km (0.072 R)
• M4: 1,243,158 km (0.099 R)
• M5: 1,774,231 km (0.116 R)
• M6: 2,136,706 km (0.085 R)
• M7: 2,774,891 km (0.042 R)
• M8: 3,644,503 km (0.052 R)
• M9: 4,049,914 km (0.043 R)
• M10: 5,852,867 km (0.115 R)
• M11: 6,342,351 km (0.069 R)
• M12: 8,193,027 km (0.095 R)
• M13: 9,907,568 km (0.058 R)
• M14: 10,865,742 km (0.114 R)
• M15: 11,232,107 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.4

Radius: 8.5

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.59 AU - 2.95 AU

Year: 2931 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 106.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,596,278 km

• M1: 105,766 km (0.111 R)
• M2: 387,608 km (0.064 R)
• M3: 786,436 km (0.082 R)
• M4: 1,362,388 km (0.06 R)
• M5: 1,830,928 km (0.118 R)
• M6: 2,277,328 km (0.1 R)
• M7: 3,073,339 km (0.086 R)
• M8: 3,352,488 km (0.046 R)
• M9: 3,942,053 km (0.074 R)
• M10: 4,209,086 km (0.067 R)
• M11: 5,451,197 km (0.101 R)
• M12: 6,156,700 km (0.119 R)
• M13: 6,775,437 km (0.109 R)
• M14: 7,434,865 km (0.116 R)
• M15: 9,306,633 km (0.047 R)
• M16: 10,351,574 km (0.08 R)
• M17: 10,743,072 km (0.066 R)
• M18: 11,063,361 km (0.12 R)
• M19: 12,062,824 km (0.06 R)
• M20: 12,672,884 km (0.084 R)
• M21: 14,049,334 km (0.066 R)
• M22: 15,320,617 km (0.081 R)
• M23: 16,244,534 km (0.062 R)
• M24: 17,810,674 km (0.075 R)
• M25: 18,544,302 km (0.085 R)
• M26: 18,831,829 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 8.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.8 AU - 3.36 AU

Year: 3437 Days

Day: 9.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,596,278 km

• M1: 105,167 km (0.084 R)
• M2: 363,972 km (0.117 R)
• M3: 862,432 km (0.112 R)
• M4: 1,689,858 km (0.037 R)
• M5: 1,971,700 km (0.084 R)
• M6: 2,551,840 km (0.039 R)
• M7: 2,839,368 km (0.11 R)
• M8: 3,272,154 km (0.055 R)
• M9: 3,697,012 km (0.078 R)
• M10: 4,139,971 km (0.11 R)
• M11: 6,057,068 km (0.104 R)
• M12: 6,673,262 km (0.067 R)
• M13: 7,550,055 km (0.07 R)
• M14: 7,972,968 km (0.106 R)
• M15: 8,531,417 km (0.095 R)
• M16: 9,924,772 km (0.095 R)
• M17: 10,193,449 km (0.098 R)
• M18: 10,780,771 km (0.117 R)
• M19: 11,317,528 km (0.095 R)
• M20: 12,022,882 km (0.109 R)
• M21: 12,757,258 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.1

Radius: 8.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.5 AU - 4.04 AU

Year: 3760 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,596,278 km

• M1: 110,553 km (0.111 R)
• M2: 437,275 km (0.115 R)
• M3: 1,052,571 km (0.115 R)
• M4: 1,446,013 km (0.095 R)
• M5: 1,998,179 km (0.097 R)
• M6: 2,731,657 km (0.062 R)
• M7: 4,029,419 km (0.032 R)
• M8: 5,292,324 km (0.037 R)
• M9: 6,713,504 km (0.026 R)
• M10: 8,542,936 km (0.072 R)
• M11: 10,761,921 km (0.105 R)
• M12: 13,385,569 km (0.088 R)
• M13: 16,197,261 km (0.087 R)
• M14: 17,601,685 km (0.105 R)
• M15: 17,880,835 km (0.06 R)
• M16: 18,390,665 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 14.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.96 AU - 4.74 AU

Year: 5769 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,596,278 km

• M1: 181,612 km (0.059 R)
• M2: 797,805 km (0.08 R)
• M3: 1,576,313 km (0.102 R)
• M4: 3,788,416 km (0.092 R)
• M5: 4,379,627 km (0.115 R)
• M6: 5,835,963 km (0.1 R)
• M7: 6,820,915 km (0.071 R)
• M8: 8,654,686 km (0.095 R)
• M9: 10,621,898 km (0.103 R)
• M10: 11,385,445 km (0.07 R)
• M11: 13,022,644 km (0.1 R)
• M12: 14,109,473 km (0.083 R)
• M13: 14,867,036 km (0.094 R)
• M14: 18,361,643 km (0.072 R)
• M15: 19,134,316 km (0.099 R)
• M16: 21,582,784 km (0.045 R)
• M17: 22,662,282 km (0.045 R)
• M18: 24,080,919 km (0.056 R)
• M19: 25,320,936 km (0.117 R)
• M20: 27,843,904 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 13.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.2 AU - 5.78 AU

Year: 7087 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,596,278 km

• M1: 170,542 km (0.105 R)
• M2: 696,528 km (0.107 R)
• M3: 1,482,365 km (0.098 R)
• M4: 2,978,344 km (0.078 R)
• M5: 3,862,916 km (0.118 R)
• M6: 4,860,285 km (0.119 R)
• M7: 5,769,990 km (0.099 R)
• M8: 6,583,802 km (0.07 R)
• M9: 7,362,010 km (0.06 R)
• M10: 8,766,884 km (0.062 R)
• M11: 9,230,039 km (0.103 R)
• M12: 10,861,254 km (0.073 R)
• M13: 11,297,482 km (0.106 R)
• M14: 12,518,499 km (0.099 R)
• M15: 13,380,333 km (0.11 R)
• M16: 14,570,833 km (0.048 R)
• M17: 15,222,032 km (0.099 R)
• M18: 15,769,261 km (0.066 R)
• M19: 17,688,751 km (0.091 R)
• M20: 18,635,856 km (0.069 R)
• M21: 19,192,060 km (0.074 R)
• M22: 20,557,590 km (0.072 R)
• M23: 21,226,591 km (0.089 R)
• M24: 23,241,226 km (0.117 R)
• M25: 24,959,208 km (0.104 R)
• M26: 26,672,702 km (0.11 R)
• M27: 27,379,552 km (0.09 R)
• M28: 28,098,818 km (0.046 R)
• M29: 29,294,704 km (0.119 R)
• M30: 30,047,181 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 10.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.67 AU - 6.09 AU

Year: 9066 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,596,278 km

• M1: 130,898 km (0.114 R)
• M2: 541,843 km (0.11 R)
• M3: 1,358,947 km (0.058 R)
• M4: 1,947,914 km (0.115 R)
• M5: 2,646,985 km (0.106 R)
• M6: 3,336,930 km (0.099 R)
• M7: 4,413,287 km (0.071 R)
• M8: 6,589,337 km (0.076 R)
• M9: 7,097,970 km (0.054 R)
• M10: 8,079,931 km (0.063 R)
• M11: 8,823,432 km (0.072 R)
• M12: 9,611,962 km (0.117 R)
• M13: 15,244,921 km (0.115 R)
• M14: 16,318,435 km (0.078 R)
• M15: 19,154,063 km (0.106 R)
• M16: 20,403,354 km (0.072 R)
• M17: 25,698,221 km (0.116 R)
• M18: 30,524,398 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.7

Radius: 6.4

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.12 AU - 8.08 AU

Year: 10781 Days

Day: 24.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,596,278 km

• M1: 129,253 km (0.115 R)
• M2: 348,713 km (0.105 R)
• M3: 594,053 km (0.12 R)
• M4: 1,583,194 km (0.068 R)
• M5: 1,903,483 km (0.117 R)
• M6: 2,749,908 km (0.104 R)
• M7: 4,044,229 km (0.119 R)
• M8: 4,482,551 km (0.069 R)
• M9: 7,199,098 km (0.062 R)
• M10: 7,687,835 km (0.099 R)
• M11: 8,731,280 km (0.074 R)
• M12: 10,563,554 km (0.092 R)
• M13: 12,477,659 km (0.107 R)
• M14: 15,455,554 km (0.106 R)
• M15: 16,523,534 km (0.101 R)
• M16: 25,413,088 km (0.085 R)
• M17: 26,808,836 km (0.085 R)
• M18: 32,096,522 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.2

Radius: 5

Gravity: 36.57 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.2 AU - 9.26 AU

Year: 17829 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,596,278 km

• M1: 62,382 km (0.11 R)
• M2: 484,847 km (0.089 R)
• M3: 1,055,563 km (0.077 R)
• M4: 1,393,654 km (0.091 R)
• M5: 1,657,096 km (0.046 R)
• M6: 2,674,960 km (0.109 R)
• M7: 3,501,787 km (0.074 R)
• M8: 3,989,476 km (0.104 R)
• M9: 4,521,296 km (0.092 R)
• M10: 4,877,040 km (0.052 R)
• M11: 5,136,892 km (0.081 R)
• M12: 6,056,320 km (0.119 R)
• M13: 9,128,312 km (0.097 R)
• M14: 13,824,788 km (0.09 R)
• M15: 17,062,086 km (0.092 R)
• M16: 20,770,767 km (0.102 R)
• M17: 22,251,786 km (0.074 R)
• M18: 22,966,415 km (0.108 R)
• M19: 23,277,279 km (0.118 R)
• M20: 23,486,118 km (0.064 R)
• M21: 23,696,153 km (0.04 R)
• M22: 24,441,450 km (0.036 R)
• M23: 25,754,919 km (0.061 R)
• M24: 26,884,981 km (0.09 R)
• M25: 27,812,488 km (0.061 R)
• M26: 30,348,322 km (0.071 R)
• M27: 33,829,763 km (0.073 R)
• M28: 37,139,915 km (0.052 R)
• M29: 40,659,504 km (0.073 R)
• M30: 43,282,853 km (0.036 R)
• M31: 43,598,803 km (0.09 R)
• M32: 46,676,630 km (0.037 R)
• M33: 48,693,209 km (0.067 R)
• M34: 50,592,205 km (0.104 R)
• M35: 52,182,280 km (0.09 R)
• M36: 58,105,309 km (0.116 R)
• M37: 58,297,243 km (0.12 R)
• M38: 58,489,626 km (0.113 R)
• M39: 61,228,015 km (0.067 R)
• M40: 67,169,743 km (0.084 R)
• M41: 69,089,084 km (0.076 R)
• M42: 71,264,087 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 12,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit