🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 10.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.93 AU - 0.97 AU

Year: 617 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,994,517 km

• M1: 134,638 km (0.105 R)
• M2: 499,208 km (0.076 R)
• M3: 1,048,980 km (0.114 R)
• M4: 1,906,475 km (0.045 R)
• M5: 2,432,461 km (0.116 R)
• M6: 3,608,450 km (0.092 R)
• M7: 4,187,095 km (0.057 R)
• M8: 4,811,068 km (0.115 R)
• M9: 5,227,698 km (0.1 R)
• M10: 6,133,812 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.2

Radius: 8.5

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.45 AU - 1.85 AU

Year: 1413 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,994,517 km

• M1: 105,766 km (0.112 R)
• M2: 435,479 km (0.117 R)
• M3: 718,070 km (0.111 R)
• M4: 1,165,517 km (0.112 R)
• M5: 1,511,686 km (0.075 R)
• M6: 1,873,115 km (0.085 R)
• M7: 2,402,542 km (0.095 R)
• M8: 2,898,010 km (0.071 R)
• M9: 3,285,618 km (0.109 R)
• M10: 3,640,464 km (0.099 R)
• M11: 3,949,683 km (0.116 R)
• M12: 4,881,528 km (0.105 R)
• M13: 5,837,159 km (0.1 R)
• M14: 6,938,050 km (0.08 R)
• M15: 7,661,954 km (0.107 R)
• M16: 7,970,874 km (0.043 R)
• M17: 9,102,731 km (0.08 R)
• M18: 10,136,153 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 13.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.92 AU - 1.96 AU

Year: 1802 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,994,517 km

• M1: 168,746 km (0.045 R)
• M2: 646,412 km (0.089 R)
• M3: 1,090,868 km (0.09 R)
• M4: 1,549,385 km (0.092 R)
• M5: 2,009,698 km (0.043 R)
• M6: 3,000,634 km (0.1 R)
• M7: 4,313,056 km (0.06 R)
• M8: 6,047,045 km (0.091 R)
• M9: 6,611,927 km (0.114 R)
• M10: 7,263,276 km (0.095 R)
• M11: 7,820,378 km (0.102 R)
• M12: 8,665,756 km (0.1 R)
• M13: 10,111,769 km (0.074 R)
• M14: 12,706,544 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 8.3

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.71 AU - 5.05 AU

Year: 6113 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,994,517 km

• M1: 108,608 km (0.111 R)
• M2: 408,103 km (0.059 R)
• M3: 958,025 km (0.069 R)
• M4: 1,216,829 km (0.116 R)
• M5: 1,485,507 km (0.12 R)
• M6: 2,364,245 km (0.075 R)
• M7: 3,305,963 km (0.115 R)
• M8: 4,670,446 km (0.115 R)
• M9: 5,070,620 km (0.064 R)
• M10: 5,462,716 km (0.093 R)
• M11: 5,842,246 km (0.048 R)
• M12: 8,377,481 km (0.052 R)
• M13: 8,926,206 km (0.114 R)
• M14: 10,814,280 km (0.108 R)
• M15: 11,825,712 km (0.106 R)
• M16: 13,745,352 km (0.117 R)
• M17: 14,389,370 km (0.105 R)
• M18: 14,688,566 km (0.066 R)
• M19: 16,901,418 km (0.117 R)
• M20: 18,260,963 km (0.116 R)
• M21: 18,541,310 km (0.11 R)
• M22: 18,895,857 km (0.081 R)
• M23: 19,472,706 km (0.105 R)
• M24: 23,019,073 km (0.1 R)
• M25: 24,010,458 km (0.114 R)
• M26: 25,725,598 km (0.087 R)
• M27: 28,168,681 km (0.099 R)
• M28: 30,960,327 km (0.053 R)
• M29: 32,474,407 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 10.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.16 AU - 5.02 AU

Year: 6558 Days

Day: 7 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,994,517 km

• M1: 143,165 km (0.047 R)
• M2: 549,772 km (0.084 R)
• M3: 1,237,474 km (0.101 R)
• M4: 1,616,555 km (0.111 R)
• M5: 1,981,873 km (0.119 R)
• M6: 2,562,013 km (0.109 R)
• M7: 3,167,735 km (0.039 R)
• M8: 3,516,448 km (0.061 R)
• M9: 4,344,173 km (0.093 R)
• M10: 4,860,584 km (0.109 R)
• M11: 5,822,948 km (0.098 R)
• M12: 7,924,199 km (0.074 R)
• M13: 8,655,134 km (0.097 R)
• M14: 9,298,106 km (0.117 R)
• M15: 10,922,589 km (0.085 R)
• M16: 12,512,516 km (0.071 R)
• M17: 14,076,561 km (0.112 R)
• M18: 16,402,359 km (0.114 R)
• M19: 17,521,501 km (0.083 R)
• M20: 18,973,498 km (0.1 R)
• M21: 21,338,042 km (0.088 R)
• M22: 23,398,753 km (0.043 R)
• M23: 24,225,580 km (0.091 R)
• M24: 25,588,865 km (0.068 R)
• M25: 34,860,792 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.8

Radius: 6.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.28 AU - 7.56 AU

Year: 12139 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,994,517 km

• M1: 85,570 km (0.103 R)
• M2: 342,878 km (0.108 R)
• M3: 669,600 km (0.098 R)
• M4: 1,291,478 km (0.062 R)
• M5: 1,797,867 km (0.117 R)
• M6: 2,480,632 km (0.118 R)
• M7: 2,730,760 km (0.051 R)
• M8: 5,929,461 km (0.105 R)
• M9: 6,781,870 km (0.085 R)
• M10: 8,016,651 km (0.104 R)
• M11: 8,850,210 km (0.112 R)
• M12: 11,065,605 km (0.099 R)
• M13: 11,402,649 km (0.047 R)
• M14: 12,198,958 km (0.058 R)
• M15: 16,431,681 km (0.066 R)
• M16: 18,569,733 km (0.097 R)
• M17: 18,977,537 km (0.1 R)
• M18: 19,252,648 km (0.106 R)
• M19: 22,997,980 km (0.1 R)
• M20: 24,917,620 km (0.059 R)
• M21: 26,941,529 km (0.102 R)
• M22: 29,255,060 km (0.118 R)
• M23: 31,217,934 km (0.089 R)
• M24: 31,697,844 km (0.09 R)
• M25: 32,672,474 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102

Radius: 3.3

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.89 AU - 6.99 AU

Year: 12192 Days

Day: 22.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,994,517 km

• M1: 42,336 km (0.047 R)
• M2: 301,589 km (0.119 R)
• M3: 493,374 km (0.071 R)
• M4: 754,572 km (0.108 R)
• M5: 1,369,569 km (0.099 R)
• M6: 2,714,753 km (0.088 R)
• M7: 3,263,178 km (0.115 R)
• M8: 4,112,146 km (0.07 R)
• M9: 4,376,037 km (0.115 R)
• M10: 5,153,048 km (0.11 R)
• M11: 8,029,217 km (0.104 R)
• M12: 8,289,667 km (0.101 R)
• M13: 16,063,520 km (0.101 R)
• M14: 16,358,078 km (0.092 R)
• M15: 16,957,966 km (0.113 R)
• M16: 20,728,730 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 20,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit