🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 15

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.46 AU - 2.06 AU

Year: 1584 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,083,598 km

• M1: 186,997 km (0.108 R)
• M2: 977,921 km (0.07 R)
• M3: 1,756,578 km (0.053 R)
• M4: 2,446,823 km (0.104 R)
• M5: 2,999,587 km (0.057 R)
• M6: 3,521,085 km (0.11 R)
• M7: 4,305,128 km (0.097 R)
• M8: 4,829,917 km (0.094 R)
• M9: 6,247,805 km (0.098 R)
• M10: 7,159,305 km (0.115 R)
• M11: 8,570,761 km (0.107 R)
• M12: 9,696,934 km (0.117 R)
• M13: 10,398,249 km (0.059 R)
• M14: 11,205,030 km (0.119 R)
• M15: 12,128,797 km (0.09 R)
• M16: 13,961,072 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 12.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.97 AU - 2.03 AU

Year: 1918 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,083,598 km

• M1: 157,975 km (0.119 R)
• M2: 687,253 km (0.099 R)
• M3: 1,528,441 km (0.105 R)
• M4: 3,051,049 km (0.115 R)
• M5: 5,877,252 km (0.085 R)
• M6: 7,555,440 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 13

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.68 AU - 2.76 AU

Year: 3043 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,083,598 km

• M1: 161,715 km (0.114 R)
• M2: 616,194 km (0.05 R)
• M3: 1,442,572 km (0.108 R)
• M4: 2,512,347 km (0.11 R)
• M5: 2,924,638 km (0.107 R)
• M6: 3,399,163 km (0.08 R)
• M7: 4,208,188 km (0.035 R)
• M8: 4,795,061 km (0.106 R)
• M9: 5,321,495 km (0.088 R)
• M10: 6,387,679 km (0.083 R)
• M11: 6,809,097 km (0.109 R)
• M12: 7,220,940 km (0.095 R)
• M13: 8,125,408 km (0.105 R)
• M14: 8,876,539 km (0.053 R)
• M15: 9,639,189 km (0.111 R)
• M16: 11,106,744 km (0.075 R)
• M17: 11,640,659 km (0.11 R)
• M18: 12,191,478 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 14.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.08 AU - 5.52 AU

Year: 7133 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,083,598 km

• M1: 179,069 km (0.09 R)
• M2: 639,232 km (0.108 R)
• M3: 1,136,046 km (0.093 R)
• M4: 1,677,591 km (0.033 R)
• M5: 2,600,909 km (0.112 R)
• M6: 3,859,625 km (0.118 R)
• M7: 4,418,373 km (0.078 R)
• M8: 5,160,079 km (0.039 R)
• M9: 5,769,840 km (0.111 R)
• M10: 6,866,692 km (0.109 R)
• M11: 10,320,458 km (0.117 R)
• M12: 14,224,962 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.5

Radius: 6.5

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.3 AU - 6.56 AU

Year: 9794 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,083,598 km

• M1: 173,683 km (0.105 R)
• M2: 2,002,218 km (0.081 R)
• M3: 2,317,869 km (0.105 R)
• M4: 3,094,282 km (0.096 R)
• M5: 3,444,341 km (0.09 R)
• M6: 3,743,088 km (0.113 R)
• M7: 5,438,331 km (0.102 R)
• M8: 5,948,759 km (0.07 R)
• M9: 6,908,579 km (0.065 R)
• M10: 13,538,009 km (0.077 R)
• M11: 15,990,965 km (0.117 R)
• M12: 17,321,937 km (0.114 R)
• M13: 18,423,726 km (0.102 R)
• M14: 22,347,977 km (0.098 R)
• M15: 26,126,819 km (0.083 R)
• M16: 30,206,204 km (0.114 R)
• M17: 31,048,739 km (0.081 R)
• M18: 35,382,140 km (0.079 R)
• M19: 35,614,615 km (0.118 R)
• M20: 39,975,992 km (0.082 R)
• M21: 42,023,687 km (0.09 R)
• M22: 42,284,437 km (0.077 R)
• M23: 42,941,171 km (0.046 R)
• M24: 43,871,820 km (0.068 R)
• M25: 46,465,996 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.4

Radius: 4.8

Gravity: 25.71 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.07 AU - 7.39 AU

Year: 10547 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,083,598 km

• M1: 59,690 km (0.115 R)
• M2: 249,679 km (0.06 R)
• M3: 484,996 km (0.039 R)
• M4: 929,302 km (0.048 R)
• M5: 1,742,666 km (0.068 R)
• M6: 2,376,661 km (0.081 R)
• M7: 2,632,474 km (0.044 R)
• M8: 3,636,575 km (0.1 R)
• M9: 3,843,319 km (0.111 R)
• M10: 4,308,867 km (0.1 R)
• M11: 4,659,674 km (0.068 R)
• M12: 5,188,653 km (0.116 R)
• M13: 6,365,539 km (0.095 R)
• M14: 10,115,060 km (0.082 R)
• M15: 10,421,287 km (0.095 R)
• M16: 11,652,777 km (0.108 R)
• M17: 11,820,177 km (0.03 R)
• M18: 13,770,035 km (0.035 R)
• M19: 15,517,039 km (0.045 R)
• M20: 18,143,379 km (0.097 R)
• M21: 18,977,836 km (0.114 R)
• M22: 20,641,514 km (0.075 R)
• M23: 27,671,417 km (0.053 R)
• M24: 28,979,651 km (0.09 R)
• M25: 32,045,659 km (0.1 R)
• M26: 32,595,282 km (0.079 R)
• M27: 34,625,774 km (0.104 R)
• M28: 36,143,594 km (0.064 R)
• M29: 37,462,149 km (0.094 R)
• M30: 38,072,060 km (0.09 R)
• M31: 39,688,465 km (0.095 R)
• M32: 42,395,438 km (0.074 R)
• M33: 42,791,873 km (0.065 R)
• M34: 44,538,577 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.9

Radius: 5.8

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.78 AU - 9.52 AU

Year: 18773 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,083,598 km

• M1: 72,106 km (0.063 R)
• M2: 314,006 km (0.059 R)
• M3: 585,077 km (0.116 R)
• M4: 934,687 km (0.045 R)
• M5: 2,580,114 km (0.096 R)
• M6: 2,776,836 km (0.106 R)
• M7: 3,696,563 km (0.101 R)
• M8: 4,412,988 km (0.065 R)
• M9: 5,064,786 km (0.082 R)
• M10: 5,413,947 km (0.112 R)
• M11: 7,753,508 km (0.113 R)
• M12: 8,270,069 km (0.098 R)
• M13: 9,544,793 km (0.117 R)
• M14: 10,259,422 km (0.089 R)
• M15: 15,553,691 km (0.101 R)
• M16: 15,878,468 km (0.117 R)
• M17: 21,308,870 km (0.114 R)
• M18: 26,685,119 km (0.04 R)
• M19: 28,822,723 km (0.095 R)
• M20: 31,457,590 km (0.115 R)
• M21: 35,214,740 km (0.099 R)
• M22: 38,368,563 km (0.12 R)
• M23: 42,965,705 km (0.091 R)
• M24: 44,088,736 km (0.11 R)
• M25: 47,235,677 km (0.083 R)
• M26: 48,777,134 km (0.088 R)
• M27: 54,529,770 km (0.077 R)
• M28: 54,716,468 km (0.099 R)
• M29: 56,035,473 km (0.116 R)
• M30: 65,024,360 km (0.119 R)
• M31: 67,358,984 km (0.064 R)
• M32: 71,298,794 km (0.088 R)
• M33: 72,871,666 km (0.089 R)
• M34: 74,009,059 km (0.096 R)
• M35: 77,021,810 km (0.108 R)
• M36: 78,201,988 km (0.189 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: 188 - 14,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit