🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 9.9

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.83 AU - 1.13 AU

Year: 636 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,207,978 km

• M1: 125,064 km (0.096 R)
• M2: 438,621 km (0.08 R)
• M3: 877,541 km (0.11 R)
• M4: 1,439,730 km (0.079 R)
• M5: 1,929,065 km (0.104 R)
• M6: 2,288,099 km (0.091 R)
• M7: 2,922,993 km (0.091 R)
• M8: 3,334,237 km (0.069 R)
• M9: 3,713,318 km (0.114 R)
• M10: 4,212,227 km (0.088 R)
• M11: 4,623,472 km (0.081 R)
• M12: 5,096,201 km (0.099 R)
• M13: 5,526,893 km (0.079 R)
• M14: 6,523,066 km (0.103 R)
• M15: 7,750,217 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 15

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.06 AU - 1.44 AU

Year: 917 Days

Day: 12.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,207,978 km

• M1: 186,848 km (0.07 R)
• M2: 738,265 km (0.099 R)
• M3: 1,238,072 km (0.066 R)
• M4: 1,814,473 km (0.096 R)
• M5: 2,293,485 km (0.089 R)
• M6: 2,930,921 km (0.099 R)
• M7: 3,614,135 km (0.069 R)
• M8: 4,718,018 km (0.078 R)
• M9: 5,229,493 km (0.108 R)
• M10: 5,719,575 km (0.084 R)
• M11: 6,555,379 km (0.071 R)
• M12: 7,059,075 km (0.086 R)
• M13: 7,997,203 km (0.094 R)
• M14: 8,754,168 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 8.2

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.23 AU - 1.71 AU

Year: 1169 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,207,978 km

• M1: 102,026 km (0.069 R)
• M2: 407,804 km (0.085 R)
• M3: 773,421 km (0.043 R)
• M4: 1,045,988 km (0.111 R)
• M5: 1,353,113 km (0.028 R)
• M6: 1,918,742 km (0.118 R)
• M7: 2,196,396 km (0.045 R)
• M8: 2,821,117 km (0.114 R)
• M9: 3,574,192 km (0.097 R)
• M10: 4,247,682 km (0.094 R)
• M11: 4,561,089 km (0.094 R)
• M12: 5,493,383 km (0.119 R)
• M13: 5,887,275 km (0.106 R)
• M14: 6,189,462 km (0.049 R)
• M15: 7,086,152 km (0.104 R)
• M16: 7,453,265 km (0.112 R)
• M17: 7,884,705 km (0.092 R)
• M18: 8,199,010 km (0.068 R)
• M19: 10,264,807 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 12.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.43 AU - 1.81 AU

Year: 1353 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,207,978 km

• M1: 153,039 km (0.113 R)
• M2: 616,343 km (0.113 R)
• M3: 1,088,474 km (0.069 R)
• M4: 1,992,793 km (0.103 R)
• M5: 2,639,206 km (0.108 R)
• M6: 4,126,508 km (0.107 R)
• M7: 5,141,679 km (0.113 R)
• M8: 6,454,999 km (0.092 R)
• M9: 7,029,006 km (0.064 R)
• M10: 8,169,989 km (0.099 R)
• M11: 10,076,314 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.8

Radius: 10.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.12 AU - 3.28 AU

Year: 2910 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,207,978 km

• M1: 137,331 km (0.074 R)
• M2: 473,328 km (0.117 R)
• M3: 916,437 km (0.108 R)
• M4: 1,778,569 km (0.059 R)
• M5: 2,218,536 km (0.08 R)
• M6: 2,934,512 km (0.11 R)
• M7: 3,875,482 km (0.073 R)
• M8: 4,216,715 km (0.099 R)
• M9: 4,599,985 km (0.082 R)
• M10: 5,053,117 km (0.097 R)
• M11: 5,763,108 km (0.081 R)
• M12: 6,182,581 km (0.054 R)
• M13: 7,473,012 km (0.089 R)
• M14: 9,284,044 km (0.117 R)
• M15: 9,678,833 km (0.046 R)
• M16: 10,425,176 km (0.072 R)
• M17: 10,930,668 km (0.055 R)
• M18: 11,330,543 km (0.096 R)
• M19: 11,948,681 km (0.052 R)
• M20: 12,676,176 km (0.039 R)
• M21: 13,252,277 km (0.117 R)
• M22: 14,456,839 km (0.083 R)
• M23: 15,382,251 km (0.114 R)
• M24: 15,986,776 km (0.119 R)
• M25: 16,712,027 km (0.092 R)
• M26: 19,192,210 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 8.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.22 AU - 6.32 AU

Year: 9092 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,207,978 km

• M1: 124,765 km (0.053 R)
• M2: 770,878 km (0.092 R)
• M3: 1,177,934 km (0.101 R)
• M4: 1,885,232 km (0.077 R)
• M5: 2,634,718 km (0.052 R)
• M6: 2,931,520 km (0.11 R)
• M7: 4,112,894 km (0.047 R)
• M8: 9,255,620 km (0.032 R)
• M9: 11,533,697 km (0.077 R)
• M10: 16,098,526 km (0.111 R)
• M11: 16,893,639 km (0.088 R)
• M12: 19,733,455 km (0.097 R)
• M13: 21,344,923 km (0.11 R)
• M14: 23,543,264 km (0.048 R)
• M15: 30,835,263 km (0.077 R)
• M16: 32,475,753 km (0.109 R)
• M17: 34,498,167 km (0.057 R)
• M18: 36,943,344 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 14.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.55 AU - 7.17 AU

Year: 9306 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,207,978 km

• M1: 183,557 km (0.041 R)
• M2: 782,397 km (0.055 R)
• M3: 1,366,277 km (0.118 R)
• M4: 2,014,635 km (0.094 R)
• M5: 2,484,222 km (0.065 R)
• M6: 3,069,300 km (0.109 R)
• M7: 4,120,823 km (0.066 R)
• M8: 5,125,223 km (0.102 R)
• M9: 5,653,752 km (0.099 R)
• M10: 7,345,854 km (0.108 R)
• M11: 8,225,789 km (0.116 R)
• M12: 10,195,843 km (0.116 R)
• M13: 11,188,574 km (0.047 R)
• M14: 14,925,978 km (0.073 R)
• M15: 15,429,375 km (0.099 R)
• M16: 16,536,848 km (0.12 R)
• M17: 18,764,510 km (0.108 R)
• M18: 20,872,344 km (0.092 R)
• M19: 21,662,071 km (0.113 R)
• M20: 23,808,800 km (0.097 R)
• M21: 25,110,152 km (0.077 R)
• M22: 25,733,377 km (0.107 R)
• M23: 28,330,246 km (0.096 R)
• M24: 28,811,652 km (0.09 R)
• M25: 30,288,931 km (0.03 R)
• M26: 34,913,749 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 10,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit