🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.3

Radius: 13.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.49 AU - 0.81 AU

Year: 349 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,815,949 km

• M1: 164,857 km (0.088 R)
• M2: 614,847 km (0.036 R)
• M3: 1,339,649 km (0.069 R)
• M4: 1,757,027 km (0.059 R)
• M5: 2,176,051 km (0.109 R)
• M6: 2,591,334 km (0.105 R)
• M7: 3,663,951 km (0.099 R)
• M8: 4,109,902 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 13.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.73 AU - 0.85 AU

Year: 468 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,815,949 km

• M1: 164,258 km (0.09 R)
• M2: 575,802 km (0.092 R)
• M3: 1,097,151 km (0.088 R)
• M4: 1,664,725 km (0.103 R)
• M5: 2,886,940 km (0.081 R)
• M6: 3,570,452 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 10.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.63 AU - 1.73 AU

Year: 1452 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,815,949 km

• M1: 128,953 km (0.112 R)
• M2: 492,626 km (0.112 R)
• M3: 964,757 km (0.081 R)
• M4: 1,286,990 km (0.052 R)
• M5: 1,984,266 km (0.054 R)
• M6: 2,418,848 km (0.092 R)
• M7: 2,833,683 km (0.101 R)
• M8: 3,220,393 km (0.118 R)
• M9: 3,724,239 km (0.072 R)
• M10: 5,196,282 km (0.036 R)
• M11: 6,598,313 km (0.098 R)
• M12: 6,947,176 km (0.103 R)
• M13: 7,845,810 km (0.115 R)
• M14: 8,237,756 km (0.115 R)
• M15: 9,461,168 km (0.109 R)
• M16: 9,937,787 km (0.092 R)
• M17: 10,330,631 km (0.096 R)
• M18: 12,377,279 km (0.033 R)
• M19: 12,986,442 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 10.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.02 AU - 2.32 AU

Year: 2132 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,815,949 km

• M1: 135,536 km (0.082 R)
• M2: 1,141,432 km (0.085 R)
• M3: 1,766,452 km (0.101 R)
• M4: 2,145,981 km (0.12 R)
• M5: 2,566,052 km (0.062 R)
• M6: 3,041,026 km (0.03 R)
• M7: 3,645,102 km (0.059 R)
• M8: 4,227,785 km (0.073 R)
• M9: 5,206,305 km (0.05 R)
• M10: 6,174,353 km (0.116 R)
• M11: 6,810,443 km (0.057 R)
• M12: 11,272,050 km (0.119 R)
• M13: 12,759,651 km (0.078 R)
• M14: 15,539,180 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 9.6

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.7 AU - 2.9 AU

Year: 3124 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,815,949 km

• M1: 119,678 km (0.108 R)
• M2: 500,554 km (0.036 R)
• M3: 814,560 km (0.113 R)
• M4: 1,230,592 km (0.099 R)
• M5: 1,832,574 km (0.101 R)
• M6: 2,415,258 km (0.098 R)
• M7: 3,361,464 km (0.084 R)
• M8: 4,111,398 km (0.094 R)
• M9: 4,428,097 km (0.096 R)
• M10: 5,603,936 km (0.08 R)
• M11: 5,994,237 km (0.117 R)
• M12: 6,514,688 km (0.058 R)
• M13: 8,159,965 km (0.097 R)
• M14: 8,973,628 km (0.089 R)
• M15: 10,487,409 km (0.114 R)
• M16: 10,960,886 km (0.11 R)
• M17: 12,820,538 km (0.111 R)
• M18: 13,966,308 km (0.087 R)
• M19: 14,930,915 km (0.117 R)
• M20: 16,094,337 km (0.086 R)
• M21: 16,884,962 km (0.093 R)
• M22: 17,426,357 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 8.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.61 AU - 3.13 AU

Year: 3242 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,815,949 km

• M1: 105,766 km (0.09 R)
• M2: 379,081 km (0.117 R)
• M3: 664,813 km (0.087 R)
• M4: 958,623 km (0.085 R)
• M5: 1,434,344 km (0.102 R)
• M6: 1,799,662 km (0.093 R)
• M7: 2,415,407 km (0.084 R)
• M8: 3,198,552 km (0.117 R)
• M9: 3,751,466 km (0.117 R)
• M10: 4,081,030 km (0.059 R)
• M11: 5,621,888 km (0.084 R)
• M12: 7,823,221 km (0.086 R)
• M13: 12,389,097 km (0.074 R)
• M14: 13,122,426 km (0.095 R)
• M15: 14,067,885 km (0.104 R)
• M16: 14,675,551 km (0.03 R)
• M17: 16,195,166 km (0.109 R)
• M18: 16,552,256 km (0.099 R)
• M19: 17,925,116 km (0.087 R)
• M20: 18,417,592 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 9.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.57 AU - 5.81 AU

Year: 7885 Days

Day: 14.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,815,949 km

• M1: 123,119 km (0.057 R)
• M2: 583,880 km (0.088 R)
• M3: 888,312 km (0.087 R)
• M4: 1,314,816 km (0.101 R)
• M5: 2,106,338 km (0.049 R)
• M6: 3,565,665 km (0.116 R)
• M7: 4,125,311 km (0.095 R)
• M8: 4,827,374 km (0.085 R)
• M9: 6,858,314 km (0.042 R)
• M10: 7,226,475 km (0.116 R)
• M11: 7,922,404 km (0.098 R)
• M12: 8,919,025 km (0.076 R)
• M13: 10,137,649 km (0.107 R)
• M14: 12,464,345 km (0.111 R)
• M15: 13,181,667 km (0.114 R)
• M16: 14,698,440 km (0.079 R)
• M17: 17,052,960 km (0.068 R)
• M18: 17,730,190 km (0.081 R)
• M19: 21,310,516 km (0.087 R)
• M20: 22,016,767 km (0.108 R)
• M21: 22,335,710 km (0.053 R)
• M22: 28,522,031 km (0.101 R)
• M23: 30,946,863 km (0.09 R)
• M24: 32,879,368 km (0.079 R)
• M25: 33,506,033 km (0.079 R)
• M26: 34,034,264 km (0.077 R)
• M27: 35,324,695 km (0.092 R)
• M28: 36,092,281 km (0.095 R)
• M29: 36,871,088 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.4

Radius: 7.9

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.49 AU - 8.43 AU

Year: 12245 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,815,949 km

• M1: 107,262 km (0.077 R)
• M2: 386,710 km (0.081 R)
• M3: 1,551,480 km (0.107 R)
• M4: 1,828,984 km (0.095 R)
• M5: 3,193,765 km (0.118 R)
• M6: 4,057,393 km (0.055 R)
• M7: 5,201,668 km (0.037 R)
• M8: 6,988,913 km (0.111 R)
• M9: 7,753,807 km (0.098 R)
• M10: 9,299,452 km (0.104 R)
• M11: 10,545,453 km (0.084 R)
• M12: 13,175,683 km (0.043 R)
• M13: 15,362,056 km (0.093 R)
• M14: 15,784,071 km (0.102 R)
• M15: 18,638,698 km (0.1 R)
• M16: 19,443,534 km (0.115 R)
• M17: 22,085,882 km (0.099 R)
• M18: 23,446,474 km (0.101 R)
• M19: 24,670,185 km (0.05 R)
• M20: 26,134,299 km (0.053 R)
• M21: 44,093,075 km (0.029 R)
• M22: 44,517,933 km (0.063 R)
• M23: 46,244,591 km (0.101 R)
• M24: 51,692,048 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.9

Radius: 6.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.08 AU - 7.92 AU

Year: 13697 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,815,949 km

• M1: 83,924 km (0.113 R)
• M2: 462,108 km (0.045 R)
• M3: 983,307 km (0.056 R)
• M4: 1,573,022 km (0.092 R)
• M5: 2,039,318 km (0.118 R)
• M6: 2,825,904 km (0.038 R)
• M7: 3,050,899 km (0.099 R)
• M8: 3,287,862 km (0.102 R)
• M9: 3,630,740 km (0.065 R)
• M10: 4,662,666 km (0.072 R)
• M11: 5,036,661 km (0.085 R)
• M12: 6,771,548 km (0.098 R)
• M13: 7,138,661 km (0.06 R)
• M14: 7,441,746 km (0.069 R)
• M15: 8,319,736 km (0.076 R)
• M16: 10,090,077 km (0.087 R)
• M17: 10,327,788 km (0.086 R)
• M18: 10,963,130 km (0.101 R)
• M19: 12,419,765 km (0.084 R)
• M20: 12,692,781 km (0.104 R)
• M21: 15,648,087 km (0.11 R)
• M22: 17,420,373 km (0.09 R)
• M23: 18,039,708 km (0.071 R)
• M24: 18,460,676 km (0.063 R)
• M25: 18,744,912 km (0.106 R)
• M26: 19,837,126 km (0.096 R)
• M27: 20,436,565 km (0.092 R)
• M28: 23,284,609 km (0.086 R)
• M29: 25,149,496 km (0.092 R)
• M30: 30,538,610 km (0.09 R)
• M31: 31,136,553 km (0.054 R)
• M32: 32,977,205 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 19,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit