🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.25 AU - 1.39 AU

Year: 1029 Days

Day: 7.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 146.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,861,016 km

• M1: 155,432 km (0.096 R)
• M2: 664,963 km (0.089 R)
• M3: 1,058,854 km (0.093 R)
• M4: 1,470,098 km (0.111 R)
• M5: 2,841,312 km (0.114 R)
• M6: 3,379,865 km (0.115 R)
• M7: 4,627,661 km (0.1 R)
• M8: 5,278,860 km (0.07 R)
• M9: 5,677,838 km (0.101 R)
• M10: 6,447,369 km (0.044 R)
• M11: 7,188,776 km (0.098 R)
• M12: 7,832,197 km (0.078 R)
• M13: 8,379,725 km (0.062 R)
• M14: 9,291,823 km (0.091 R)
• M15: 9,876,003 km (0.06 R)
• M16: 10,330,182 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 14

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.28 AU - 2.06 AU

Year: 1464 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,861,016 km

• M1: 178,620 km (0.117 R)
• M2: 614,249 km (0.117 R)
• M3: 1,105,678 km (0.114 R)
• M4: 1,923,081 km (0.067 R)
• M5: 2,487,813 km (0.114 R)
• M6: 3,071,992 km (0.098 R)
• M7: 3,798,888 km (0.12 R)
• M8: 4,364,368 km (0.085 R)
• M9: 5,552,475 km (0.098 R)
• M10: 6,841,260 km (0.105 R)
• M11: 7,459,099 km (0.055 R)
• M12: 7,968,480 km (0.082 R)
• M13: 8,745,492 km (0.119 R)
• M14: 9,605,081 km (0.069 R)
• M15: 10,106,683 km (0.086 R)
• M16: 11,017,584 km (0.108 R)
• M17: 12,174,424 km (0.101 R)
• M18: 13,205,902 km (0.083 R)
• M19: 14,510,993 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 14.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.14 AU - 2.46 AU

Year: 2366 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,861,016 km

• M1: 184,155 km (0.077 R)
• M2: 955,631 km (0.068 R)
• M3: 2,173,358 km (0.116 R)
• M4: 4,209,385 km (0.102 R)
• M5: 4,991,034 km (0.067 R)
• M6: 7,957,859 km (0.106 R)
• M7: 8,900,774 km (0.071 R)
• M8: 10,122,390 km (0.076 R)
• M9: 15,447,626 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 10.3

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.39 AU - 2.65 AU

Year: 2713 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,861,016 km

• M1: 137,032 km (0.057 R)
• M2: 533,915 km (0.084 R)
• M3: 1,011,132 km (0.115 R)
• M4: 3,912,284 km (0.077 R)
• M5: 4,440,065 km (0.059 R)
• M6: 4,825,728 km (0.062 R)
• M7: 5,332,865 km (0.044 R)
• M8: 6,743,124 km (0.064 R)
• M9: 8,353,545 km (0.114 R)
• M10: 9,860,893 km (0.108 R)
• M11: 10,323,001 km (0.043 R)
• M12: 15,258,833 km (0.051 R)
• M13: 16,946,297 km (0.114 R)
• M14: 18,119,294 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 13.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.41 AU - 3.87 AU

Year: 3774 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,861,016 km

• M1: 171,589 km (0.075 R)
• M2: 791,971 km (0.053 R)
• M3: 1,404,275 km (0.082 R)
• M4: 2,322,806 km (0.08 R)
• M5: 2,801,220 km (0.111 R)
• M6: 5,173,094 km (0.055 R)
• M7: 6,167,920 km (0.118 R)
• M8: 9,292,421 km (0.113 R)
• M9: 10,196,890 km (0.037 R)
• M10: 11,196,054 km (0.102 R)
• M11: 12,220,351 km (0.1 R)
• M12: 12,655,082 km (0.054 R)
• M13: 14,586,690 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 10.1

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.27 AU - 4.15 AU

Year: 4847 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,861,016 km

• M1: 126,709 km (0.096 R)
• M2: 465,698 km (0.108 R)
• M3: 868,266 km (0.047 R)
• M4: 1,469,949 km (0.114 R)
• M5: 1,844,991 km (0.063 R)
• M6: 2,363,796 km (0.107 R)
• M7: 2,865,248 km (0.071 R)
• M8: 3,271,705 km (0.067 R)
• M9: 4,573,057 km (0.109 R)
• M10: 5,269,884 km (0.1 R)
• M11: 5,644,028 km (0.064 R)
• M12: 6,478,186 km (0.113 R)
• M13: 7,534,946 km (0.113 R)
• M14: 8,663,362 km (0.03 R)
• M15: 12,219,752 km (0.088 R)
• M16: 13,558,504 km (0.104 R)
• M17: 14,597,012 km (0.067 R)
• M18: 15,222,032 km (0.064 R)
• M19: 15,628,938 km (0.091 R)
• M20: 16,283,130 km (0.108 R)
• M21: 17,646,116 km (0.096 R)
• M22: 18,030,732 km (0.078 R)
• M23: 19,016,732 km (0.076 R)
• M24: 20,107,599 km (0.092 R)
• M25: 22,264,801 km (0.107 R)
• M26: 24,731,071 km (0.099 R)
• M27: 25,212,926 km (0.115 R)
• M28: 25,537,703 km (0.114 R)
• M29: 27,288,746 km (0.114 R)
• M30: 28,763,781 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 14.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.15 AU - 5.63 AU

Year: 7334 Days

Day: 5.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,861,016 km

• M1: 180,565 km (0.105 R)
• M2: 739,313 km (0.099 R)
• M3: 1,861,446 km (0.082 R)
• M4: 2,759,632 km (0.112 R)
• M5: 3,909,740 km (0.076 R)
• M6: 4,582,931 km (0.109 R)
• M7: 5,876,803 km (0.109 R)
• M8: 7,736,304 km (0.108 R)
• M9: 10,002,263 km (0.091 R)
• M10: 11,091,485 km (0.071 R)
• M11: 12,258,349 km (0.088 R)
• M12: 13,406,812 km (0.12 R)
• M13: 14,835,920 km (0.036 R)
• M14: 15,316,129 km (0.054 R)
• M15: 17,459,867 km (0.057 R)
• M16: 18,055,865 km (0.045 R)
• M17: 18,788,745 km (0.103 R)
• M18: 19,605,250 km (0.066 R)
• M19: 23,466,969 km (0.071 R)
• M20: 24,934,524 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.4

Radius: 3.5

Gravity: 45.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.07 AU - 9.03 AU

Year: 16957 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,861,016 km

• M1: 43,533 km (0.095 R)
• M2: 186,997 km (0.062 R)
• M3: 593,305 km (0.117 R)
• M4: 790,026 km (0.097 R)
• M5: 914,791 km (0.079 R)
• M6: 1,064,838 km (0.113 R)
• M7: 1,178,233 km (0.094 R)
• M8: 1,299,706 km (0.082 R)
• M9: 2,154,359 km (0.053 R)
• M10: 2,922,843 km (0.066 R)
• M11: 3,545,320 km (0.055 R)
• M12: 3,657,070 km (0.091 R)
• M13: 3,800,085 km (0.041 R)
• M14: 6,214,894 km (0.069 R)
• M15: 6,336,667 km (0.099 R)
• M16: 8,311,359 km (0.08 R)
• M17: 8,459,311 km (0.104 R)
• M18: 9,870,767 km (0.113 R)
• M19: 10,835,823 km (0.085 R)
• M20: 12,495,013 km (0.1 R)
• M21: 12,819,939 km (0.062 R)
• M22: 13,217,121 km (0.118 R)
• M23: 13,554,315 km (0.116 R)
• M24: 14,386,827 km (0.118 R)
• M25: 16,694,674 km (0.032 R)
• M26: 18,390,814 km (0.067 R)
• M27: 19,670,325 km (0.104 R)
• M28: 22,121,037 km (0.116 R)
• M29: 24,564,868 km (0.104 R)
• M30: 36,665,541 km (0.088 R)
• M31: 39,097,254 km (0.117 R)
• M32: 43,533,429 km (0.091 R)
• M33: 47,346,230 km (0.103 R)
• M34: 53,388,338 km (0.088 R)
• M35: 54,414,131 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 14,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit