🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 8.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,225,546 km

• M1: 109,506 km (0.108 R)
• M2: 389,702 km (0.097 R)
• M3: 768,634 km (0.047 R)
• M4: 1,318,855 km (0.11 R)
• M5: 1,735,634 km (0.097 R)
• M6: 2,096,165 km (0.08 R)
• M7: 2,469,412 km (0.081 R)
• M8: 2,938,102 km (0.1 R)
• M9: 3,488,473 km (0.054 R)
• M10: 5,227,698 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.4

Radius: 13

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.95 AU - 3.23 AU

Year: 3749 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,225,546 km

• M1: 161,715 km (0.11 R)
• M2: 701,016 km (0.055 R)
• M3: 1,320,650 km (0.066 R)
• M4: 1,982,022 km (0.091 R)
• M5: 3,033,994 km (0.095 R)
• M6: 4,040,040 km (0.079 R)
• M7: 5,835,813 km (0.103 R)
• M8: 7,220,640 km (0.118 R)
• M9: 7,797,191 km (0.111 R)
• M10: 9,513,228 km (0.105 R)
• M11: 9,999,570 km (0.076 R)
• M12: 10,417,547 km (0.084 R)
• M13: 12,637,430 km (0.116 R)
• M14: 13,832,866 km (0.115 R)
• M15: 15,597,672 km (0.063 R)
• M16: 16,332,497 km (0.119 R)
• M17: 19,505,468 km (0.08 R)
• M18: 19,961,891 km (0.067 R)
• M19: 21,650,402 km (0.102 R)
• M20: 22,493,985 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 8.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.09 AU - 3.17 AU

Year: 3822 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,225,546 km

• M1: 104,419 km (0.099 R)
• M2: 387,907 km (0.117 R)
• M3: 876,644 km (0.096 R)
• M4: 1,410,110 km (0.075 R)
• M5: 1,692,251 km (0.099 R)
• M6: 1,960,330 km (0.053 R)
• M7: 2,630,978 km (0.108 R)
• M8: 3,296,688 km (0.09 R)
• M9: 4,199,212 km (0.075 R)
• M10: 5,082,288 km (0.117 R)
• M11: 6,780,972 km (0.087 R)
• M12: 8,720,359 km (0.048 R)
• M13: 9,379,188 km (0.052 R)
• M14: 9,644,126 km (0.067 R)
• M15: 9,953,046 km (0.058 R)
• M16: 11,772,156 km (0.087 R)
• M17: 12,036,345 km (0.09 R)
• M18: 12,439,961 km (0.119 R)
• M19: 13,321,840 km (0.097 R)
• M20: 15,158,004 km (0.037 R)
• M21: 16,271,910 km (0.099 R)
• M22: 16,988,334 km (0.091 R)
• M23: 17,269,429 km (0.069 R)
• M24: 18,189,755 km (0.083 R)
• M25: 20,003,030 km (0.064 R)
• M26: 20,379,718 km (0.096 R)
• M27: 22,066,733 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.5

Radius: 8.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.06 AU - 4.08 AU

Year: 4656 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,225,546 km

• M1: 100,679 km (0.077 R)
• M2: 380,876 km (0.092 R)
• M3: 1,132,605 km (0.057 R)
• M4: 1,690,606 km (0.08 R)
• M5: 1,974,393 km (0.037 R)
• M6: 3,023,971 km (0.113 R)
• M7: 4,267,878 km (0.068 R)
• M8: 4,528,178 km (0.072 R)
• M9: 4,799,249 km (0.032 R)
• M10: 5,678,137 km (0.049 R)
• M11: 5,969,105 km (0.05 R)
• M12: 6,767,060 km (0.114 R)
• M13: 8,079,781 km (0.113 R)
• M14: 9,486,749 km (0.045 R)
• M15: 10,571,334 km (0.107 R)
• M16: 12,613,793 km (0.105 R)
• M17: 14,498,577 km (0.098 R)
• M18: 16,030,010 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.2

Radius: 5.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.22 AU - 8.54 AU

Year: 15269 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,225,546 km

• M1: 67,469 km (0.096 R)
• M2: 279,000 km (0.108 R)
• M3: 585,227 km (0.093 R)
• M4: 780,302 km (0.057 R)
• M5: 1,420,731 km (0.115 R)
• M6: 1,921,585 km (0.073 R)
• M7: 2,621,852 km (0.064 R)
• M8: 3,457,356 km (0.115 R)
• M9: 4,104,966 km (0.074 R)
• M10: 4,884,969 km (0.056 R)
• M11: 5,821,302 km (0.107 R)
• M12: 6,597,864 km (0.104 R)
• M13: 6,871,479 km (0.099 R)
• M14: 7,775,499 km (0.117 R)
• M15: 8,715,572 km (0.063 R)
• M16: 12,811,711 km (0.09 R)
• M17: 13,183,911 km (0.057 R)
• M18: 13,838,850 km (0.054 R)
• M19: 15,391,377 km (0.081 R)
• M20: 21,475,373 km (0.068 R)
• M21: 26,173,793 km (0.085 R)
• M22: 27,293,832 km (0.112 R)
• M23: 33,077,585 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.4

Radius: 6.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.47 AU - 9.53 AU

Year: 20211 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,225,546 km

• M1: 75,846 km (0.042 R)
• M2: 266,284 km (0.057 R)
• M3: 478,863 km (0.082 R)
• M4: 1,225,356 km (0.119 R)
• M5: 1,835,865 km (0.117 R)
• M6: 2,113,220 km (0.097 R)
• M7: 2,437,249 km (0.083 R)
• M8: 3,660,959 km (0.071 R)
• M9: 6,444,826 km (0.094 R)
• M10: 8,456,020 km (0.067 R)
• M11: 11,541,027 km (0.114 R)
• M12: 12,716,567 km (0.09 R)
• M13: 18,074,116 km (0.119 R)
• M14: 19,577,425 km (0.114 R)
• M15: 19,887,840 km (0.107 R)
• M16: 21,736,421 km (0.059 R)
• M17: 27,284,856 km (0.032 R)
• M18: 31,430,363 km (0.076 R)
• M19: 33,818,992 km (0.116 R)
• M20: 34,943,669 km (0.025 R)
• M21: 40,189,618 km (0.048 R)
• M22: 40,565,258 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437

Radius: 5.8

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.79 AU - 12.15 AU

Year: 21730 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,225,546 km

• M1: 72,106 km (0.079 R)
• M2: 270,174 km (0.102 R)
• M3: 625,319 km (0.091 R)
• M4: 880,982 km (0.092 R)
• M5: 1,301,651 km (0.106 R)
• M6: 1,656,198 km (0.099 R)
• M7: 2,254,290 km (0.109 R)
• M8: 2,742,428 km (0.074 R)
• M9: 3,518,392 km (0.115 R)
• M10: 4,564,680 km (0.037 R)
• M11: 8,612,948 km (0.105 R)
• M12: 12,216,611 km (0.054 R)
• M13: 12,611,101 km (0.06 R)
• M14: 12,878,881 km (0.112 R)
• M15: 13,287,582 km (0.116 R)
• M16: 19,239,184 km (0.103 R)
• M17: 19,594,180 km (0.109 R)
• M18: 20,777,947 km (0.089 R)
• M19: 23,287,153 km (0.114 R)
• M20: 24,200,747 km (0.094 R)
• M21: 29,246,234 km (0.081 R)
• M22: 29,480,205 km (0.096 R)
• M23: 30,789,785 km (0.115 R)
• M24: 35,611,624 km (0.078 R)
• M25: 36,687,083 km (0.09 R)
• M26: 37,095,934 km (0.11 R)
• M27: 45,296,590 km (0.079 R)
• M28: 46,717,919 km (0.083 R)
• M29: 50,484,943 km (0.117 R)
• M30: 51,841,347 km (0.084 R)
• M31: 55,516,967 km (0.115 R)
• M32: 56,779,722 km (0.103 R)
• M33: 67,783,394 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 16,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit