🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 8.4

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.1 AU - 1.12 AU

Year: 807 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,512,749 km

• M1: 112,946 km (0.058 R)
• M2: 380,727 km (0.098 R)
• M3: 701,315 km (0.061 R)
• M4: 1,067,979 km (0.097 R)
• M5: 1,348,625 km (0.067 R)
• M6: 1,644,380 km (0.083 R)
• M7: 2,755,593 km (0.067 R)
• M8: 3,169,380 km (0.101 R)
• M9: 3,434,468 km (0.086 R)
• M10: 3,729,325 km (0.067 R)
• M11: 4,170,789 km (0.034 R)
• M12: 4,717,718 km (0.119 R)
• M13: 5,158,434 km (0.108 R)
• M14: 5,506,997 km (0.108 R)
• M15: 5,912,407 km (0.09 R)
• M16: 6,535,781 km (0.057 R)
• M17: 8,723,800 km (0.109 R)
• M18: 9,163,468 km (0.076 R)
• M19: 9,474,183 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.7

Radius: 12.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.32 AU - 1.68 AU

Year: 1268 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,512,749 km

• M1: 150,495 km (0.11 R)
• M2: 537,505 km (0.104 R)
• M3: 932,743 km (0.051 R)
• M4: 1,391,410 km (0.039 R)
• M5: 1,828,684 km (0.11 R)
• M6: 2,242,023 km (0.101 R)
• M7: 2,628,135 km (0.114 R)
• M8: 3,615,930 km (0.05 R)
• M9: 4,606,717 km (0.041 R)
• M10: 5,217,076 km (0.075 R)
• M11: 5,704,316 km (0.083 R)
• M12: 6,152,661 km (0.113 R)
• M13: 6,552,088 km (0.112 R)
• M14: 7,273,897 km (0.095 R)
• M15: 8,787,828 km (0.115 R)
• M16: 9,823,195 km (0.057 R)
• M17: 10,370,573 km (0.045 R)
• M18: 11,006,364 km (0.104 R)
• M19: 11,421,199 km (0.069 R)
• M20: 11,882,409 km (0.109 R)
• M21: 12,541,537 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 11.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.52 AU - 1.52 AU

Year: 1294 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,512,749 km

• M1: 145,559 km (0.088 R)
• M2: 995,424 km (0.11 R)
• M3: 1,363,435 km (0.082 R)
• M4: 1,768,247 km (0.056 R)
• M5: 2,674,660 km (0.07 R)
• M6: 3,631,189 km (0.052 R)
• M7: 4,046,174 km (0.112 R)
• M8: 4,877,190 km (0.037 R)
• M9: 5,526,295 km (0.119 R)
• M10: 6,055,572 km (0.086 R)
• M11: 6,457,242 km (0.118 R)
• M12: 7,667,938 km (0.102 R)
• M13: 10,126,280 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 12.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.3 AU - 1.78 AU

Year: 1319 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,512,749 km

• M1: 157,975 km (0.067 R)
• M2: 615,745 km (0.101 R)
• M3: 1,231,490 km (0.073 R)
• M4: 1,724,863 km (0.053 R)
• M5: 2,188,467 km (0.068 R)
• M6: 2,886,042 km (0.068 R)
• M7: 3,621,465 km (0.112 R)
• M8: 5,426,513 km (0.045 R)
• M9: 6,963,781 km (0.037 R)
• M10: 8,528,874 km (0.115 R)
• M11: 9,222,260 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.6

Radius: 11.6

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.73 AU - 2.49 AU

Year: 2116 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,512,749 km

• M1: 144,362 km (0.093 R)
• M2: 612,603 km (0.068 R)
• M3: 1,008,738 km (0.064 R)
• M4: 1,652,308 km (0.113 R)
• M5: 2,185,026 km (0.062 R)
• M6: 2,569,194 km (0.093 R)
• M7: 2,936,905 km (0.043 R)
• M8: 3,761,489 km (0.084 R)
• M9: 4,691,539 km (0.105 R)
• M10: 5,550,530 km (0.096 R)
• M11: 6,119,600 km (0.115 R)
• M12: 6,947,924 km (0.082 R)
• M13: 7,579,975 km (0.075 R)
• M14: 8,471,428 km (0.069 R)
• M15: 10,062,701 km (0.081 R)
• M16: 10,684,729 km (0.102 R)
• M17: 11,410,129 km (0.092 R)
• M18: 12,208,832 km (0.062 R)
• M19: 12,621,872 km (0.095 R)
• M20: 13,130,056 km (0.109 R)
• M21: 13,828,678 km (0.07 R)
• M22: 15,683,841 km (0.082 R)
• M23: 16,271,461 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 9.7

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.17 AU - 4.57 AU

Year: 5255 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,512,749 km

• M1: 120,576 km (0.11 R)
• M2: 435,180 km (0.117 R)
• M3: 1,214,884 km (0.055 R)
• M4: 2,400,148 km (0.078 R)
• M5: 3,546,218 km (0.117 R)
• M6: 5,772,533 km (0.048 R)
• M7: 6,472,202 km (0.086 R)
• M8: 10,379,399 km (0.095 R)
• M9: 12,466,888 km (0.066 R)
• M10: 15,248,062 km (0.078 R)
• M11: 21,049,916 km (0.072 R)
• M12: 22,630,867 km (0.057 R)
• M13: 24,216,006 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.2

Radius: 6.9

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.95 AU - 6.15 AU

Year: 9025 Days

Day: 19.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,512,749 km

• M1: 86,168 km (0.119 R)
• M2: 395,537 km (0.038 R)
• M3: 857,944 km (0.105 R)
• M4: 1,322,146 km (0.113 R)
• M5: 2,318,767 km (0.076 R)
• M6: 2,582,658 km (0.119 R)
• M7: 3,016,342 km (0.107 R)
• M8: 3,521,534 km (0.117 R)
• M9: 3,949,533 km (0.111 R)
• M10: 4,299,742 km (0.092 R)
• M11: 4,554,208 km (0.099 R)
• M12: 5,124,625 km (0.113 R)
• M13: 5,574,615 km (0.072 R)
• M14: 5,877,700 km (0.09 R)
• M15: 6,480,131 km (0.06 R)
• M16: 8,144,108 km (0.065 R)
• M17: 9,166,909 km (0.108 R)
• M18: 10,935,904 km (0.108 R)
• M19: 11,627,195 km (0.072 R)
• M20: 13,273,669 km (0.065 R)
• M21: 13,998,322 km (0.106 R)
• M22: 15,658,409 km (0.072 R)
• M23: 16,059,481 km (0.086 R)
• M24: 17,517,013 km (0.107 R)
• M25: 18,685,223 km (0.032 R)
• M26: 19,671,970 km (0.115 R)
• M27: 21,666,409 km (0.039 R)
• M28: 25,040,739 km (0.116 R)
• M29: 26,804,946 km (0.11 R)
• M30: 32,484,130 km (0.09 R)
• M31: 33,797,450 km (0.058 R)
• M32: 34,692,494 km (0.11 R)
• M33: 36,412,870 km (0.105 R)
• M34: 37,472,023 km (0.11 R)
• M35: 41,024,523 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.7

Radius: 6.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.87 AU - 8.55 AU

Year: 13363 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,512,749 km

• M1: 81,531 km (0.088 R)
• M2: 358,287 km (0.084 R)
• M3: 598,541 km (0.104 R)
• M4: 835,953 km (0.085 R)
• M5: 1,061,995 km (0.109 R)
• M6: 1,307,934 km (0.065 R)
• M7: 1,742,516 km (0.101 R)
• M8: 2,363,646 km (0.03 R)
• M9: 3,142,602 km (0.081 R)
• M10: 3,443,893 km (0.099 R)
• M11: 5,473,188 km (0.08 R)
• M12: 6,000,221 km (0.071 R)
• M13: 6,625,091 km (0.061 R)
• M14: 9,729,546 km (0.051 R)
• M15: 10,858,412 km (0.105 R)
• M16: 13,167,605 km (0.116 R)
• M17: 13,686,859 km (0.066 R)
• M18: 14,655,954 km (0.059 R)
• M19: 14,933,009 km (0.118 R)
• M20: 17,032,316 km (0.082 R)
• M21: 17,524,194 km (0.051 R)
• M22: 18,795,476 km (0.091 R)
• M23: 19,320,715 km (0.07 R)
• M24: 19,855,826 km (0.077 R)
• M25: 27,401,842 km (0.034 R)
• M26: 28,333,089 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 6.7

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.57 AU - 10.65 AU

Year: 20563 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,512,749 km

• M1: 83,625 km (0.052 R)
• M2: 354,846 km (0.12 R)
• M3: 3,161,601 km (0.097 R)
• M4: 7,170,824 km (0.116 R)
• M5: 9,089,866 km (0.116 R)
• M6: 9,720,570 km (0.079 R)
• M7: 10,441,632 km (0.118 R)
• M8: 12,057,439 km (0.11 R)
• M9: 13,174,935 km (0.12 R)
• M10: 14,978,337 km (0.083 R)
• M11: 17,196,724 km (0.064 R)
• M12: 21,665,512 km (0.093 R)
• M13: 23,842,909 km (0.084 R)
• M14: 26,048,280 km (0.067 R)
• M15: 34,286,635 km (0.12 R)
• M16: 44,267,506 km (0.102 R)
• M17: 48,610,482 km (0.069 R)
• M18: 53,964,739 km (0.079 R)
• M19: 56,022,458 km (0.098 R)
• M20: 61,293,988 km (0.092 R)
• M21: 63,122,074 km (0.079 R)
• M22: 79,791,016 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 10,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit