🌌 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: 620.2

Radius: 9.2

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,076,288 km

• M1: 114,442 km (0.064 R)
• M2: 559,346 km (0.116 R)
• M3: 853,157 km (0.089 R)
• M4: 1,192,594 km (0.112 R)
• M5: 1,589,029 km (0.087 R)
• M6: 1,913,806 km (0.109 R)
• M7: 2,222,426 km (0.101 R)
• M8: 2,921,347 km (0.07 R)
• M9: 3,637,771 km (0.069 R)
• M10: 4,970,688 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 11.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.97 AU - 1.13 AU

Year: 717 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,076,288 km

• M1: 143,016 km (0.086 R)
• M2: 727,794 km (0.106 R)
• M3: 1,248,993 km (0.109 R)
• M4: 1,917,845 km (0.065 R)
• M5: 3,055,237 km (0.095 R)
• M6: 3,543,076 km (0.066 R)
• M7: 4,053,654 km (0.09 R)
• M8: 5,070,021 km (0.103 R)
• M9: 5,942,925 km (0.079 R)
• M10: 6,954,955 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 10

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.04 AU - 1.38 AU

Year: 888 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,076,288 km

• M1: 124,615 km (0.079 R)
• M2: 474,375 km (0.119 R)
• M3: 788,082 km (0.109 R)
• M4: 1,331,271 km (0.099 R)
• M5: 1,755,082 km (0.092 R)
• M6: 2,597,169 km (0.053 R)
• M7: 2,935,409 km (0.071 R)
• M8: 3,428,334 km (0.08 R)
• M9: 4,161,065 km (0.116 R)
• M10: 4,689,594 km (0.072 R)
• M11: 5,077,501 km (0.051 R)
• M12: 5,663,775 km (0.05 R)
• M13: 6,547,749 km (0.078 R)
• M14: 6,889,281 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.3

Radius: 14.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.31 AU - 1.89 AU

Year: 1350 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,076,288 km

• M1: 175,329 km (0.053 R)
• M2: 673,340 km (0.066 R)
• M3: 1,209,200 km (0.05 R)
• M4: 1,745,358 km (0.099 R)
• M5: 2,404,786 km (0.054 R)
• M6: 3,271,257 km (0.093 R)
• M7: 4,981,459 km (0.071 R)
• M8: 7,253,552 km (0.078 R)
• M9: 7,807,214 km (0.059 R)
• M10: 8,881,177 km (0.039 R)
• M11: 10,574,026 km (0.112 R)
• M12: 11,218,045 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 10

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.06 AU - 3 AU

Year: 2684 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,076,288 km

• M1: 124,465 km (0.088 R)
• M2: 451,337 km (0.116 R)
• M3: 1,252,882 km (0.091 R)
• M4: 1,728,603 km (0.087 R)
• M5: 2,581,162 km (0.032 R)
• M6: 3,062,119 km (0.106 R)
• M7: 5,683,672 km (0.073 R)
• M8: 7,163,943 km (0.103 R)
• M9: 7,511,907 km (0.071 R)
• M10: 8,242,095 km (0.099 R)
• M11: 8,787,379 km (0.06 R)
• M12: 9,119,187 km (0.087 R)
• M13: 10,568,491 km (0.062 R)
• M14: 12,453,724 km (0.101 R)
• M15: 13,962,717 km (0.113 R)
• M16: 15,207,521 km (0.11 R)
• M17: 15,638,513 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 8.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.46 AU - 4.02 AU

Year: 3889 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,076,288 km

• M1: 111,301 km (0.096 R)
• M2: 1,178,532 km (0.039 R)
• M3: 1,627,475 km (0.114 R)
• M4: 1,919,341 km (0.088 R)
• M5: 2,532,393 km (0.059 R)
• M6: 2,941,992 km (0.052 R)
• M7: 8,211,128 km (0.063 R)
• M8: 9,585,633 km (0.105 R)
• M9: 12,245,483 km (0.039 R)

Asteroid Belt

Center: 4.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 8.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.36 AU - 5.48 AU

Year: 7277 Days

Day: 6.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,076,288 km

• M1: 109,805 km (0.075 R)
• M2: 426,055 km (0.116 R)
• M3: 871,108 km (0.085 R)
• M4: 1,785,600 km (0.097 R)
• M5: 2,112,920 km (0.094 R)
• M6: 2,793,291 km (0.119 R)
• M7: 3,704,941 km (0.08 R)
• M8: 4,529,824 km (0.108 R)
• M9: 5,173,693 km (0.101 R)
• M10: 5,782,107 km (0.108 R)
• M11: 6,643,193 km (0.034 R)
• M12: 6,996,244 km (0.117 R)
• M13: 8,996,068 km (0.113 R)
• M14: 11,550,302 km (0.036 R)
• M15: 13,857,251 km (0.118 R)
• M16: 15,453,310 km (0.098 R)
• M17: 15,761,931 km (0.079 R)
• M18: 16,074,441 km (0.098 R)
• M19: 21,199,365 km (0.068 R)
• M20: 21,580,540 km (0.061 R)
• M21: 22,514,031 km (0.085 R)
• M22: 23,718,294 km (0.103 R)
• M23: 24,129,089 km (0.026 R)
• M24: 24,880,519 km (0.086 R)
• M25: 25,906,611 km (0.06 R)
• M26: 27,049,689 km (0.116 R)
• M27: 27,678,897 km (0.055 R)
• M28: 30,777,817 km (0.1 R)
• M29: 31,860,158 km (0.031 R)
• M30: 32,561,921 km (0.103 R)
• M31: 32,865,904 km (0.049 R)
• M32: 36,335,228 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577

Radius: 3.7

Gravity: 42.15 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.47 AU - 8.47 AU

Year: 13615 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,076,288 km

• M1: 46,675 km (0.03 R)
• M2: 553,213 km (0.103 R)
• M3: 687,402 km (0.098 R)
• M4: 1,091,765 km (0.088 R)
• M5: 1,292,077 km (0.11 R)
• M6: 1,849,628 km (0.094 R)
• M7: 3,522,581 km (0.073 R)
• M8: 3,655,574 km (0.096 R)
• M9: 3,988,578 km (0.048 R)
• M10: 4,311,261 km (0.106 R)
• M11: 4,432,884 km (0.112 R)
• M12: 4,714,726 km (0.111 R)
• M13: 4,876,442 km (0.085 R)
• M14: 5,814,570 km (0.092 R)
• M15: 7,033,045 km (0.099 R)
• M16: 7,591,194 km (0.12 R)
• M17: 8,178,216 km (0.048 R)
• M18: 9,391,306 km (0.09 R)
• M19: 10,120,595 km (0.09 R)
• M20: 12,907,155 km (0.11 R)
• M21: 13,033,266 km (0.072 R)
• M22: 13,224,003 km (0.091 R)
• M23: 13,807,135 km (0.111 R)
• M24: 13,939,081 km (0.114 R)
• M25: 15,024,713 km (0.076 R)
• M26: 15,588,098 km (0.08 R)
• M27: 15,802,921 km (0.117 R)
• M28: 22,017,815 km (0.114 R)
• M29: 22,469,750 km (0.115 R)
• M30: 22,928,118 km (0.109 R)
• M31: 23,392,469 km (0.095 R)
• M32: 28,600,420 km (0.09 R)
• M33: 30,345,928 km (0.075 R)
• M34: 32,626,099 km (0.066 R)
• M35: 36,381,903 km (0.108 R)
• M36: 36,886,497 km (0.064 R)
• M37: 52,020,715 km (0.095 R)
• M38: 54,121,069 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.5

Radius: 3.5

Gravity: 36.12 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.23 AU - 9.11 AU

Year: 17024 Days

Day: 25 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,076,288 km

• M1: 46,525 km (0.112 R)
• M2: 267,631 km (0.113 R)
• M3: 448,494 km (0.105 R)
• M4: 638,484 km (0.111 R)
• M5: 819,497 km (0.1 R)
• M6: 1,244,654 km (0.095 R)
• M7: 1,605,784 km (0.105 R)
• M8: 1,853,667 km (0.053 R)
• M9: 2,164,980 km (0.076 R)
• M10: 2,384,291 km (0.093 R)
• M11: 4,607,315 km (0.027 R)
• M12: 4,835,901 km (0.032 R)
• M13: 5,827,136 km (0.111 R)
• M14: 7,290,652 km (0.119 R)
• M15: 7,828,307 km (0.044 R)
• M16: 8,106,858 km (0.114 R)
• M17: 8,634,639 km (0.066 R)
• M18: 9,865,082 km (0.083 R)
• M19: 10,244,911 km (0.073 R)
• M20: 10,355,165 km (0.091 R)
• M21: 13,311,518 km (0.088 R)
• M22: 14,386,827 km (0.114 R)
• M23: 15,302,067 km (0.078 R)
• M24: 15,518,685 km (0.113 R)
• M25: 16,938,219 km (0.101 R)
• M26: 17,877,993 km (0.103 R)
• M27: 19,775,492 km (0.067 R)
• M28: 22,726,310 km (0.084 R)
• M29: 25,550,419 km (0.075 R)
• M30: 28,818,683 km (0.109 R)
• M31: 31,068,635 km (0.061 R)
• M32: 34,534,968 km (0.102 R)
• M33: 37,722,749 km (0.12 R)
• M34: 38,117,986 km (0.059 R)
• M35: 40,685,535 km (0.088 R)
• M36: 42,365,070 km (0.049 R)
• M37: 51,298,755 km (0.115 R)
• M38: 52,435,250 km (0.054 R)
• M39: 52,763,169 km (0.1 R)
• M40: 54,088,008 km (0.119 R)
• M41: 58,020,038 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 18,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit