🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 13.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 14.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,300,120 km

• M1: 170,392 km (0.095 R)
• M2: 838,646 km (0.078 R)
• M3: 1,308,832 km (0.057 R)
• M4: 1,979,329 km (0.062 R)
• M5: 2,624,246 km (0.064 R)
• M6: 3,264,525 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 12.4

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.66 AU

Year: 315 Days

Day: 9.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,300,120 km

• M1: 154,235 km (0.098 R)
• M2: 547,678 km (0.096 R)
• M3: 1,030,580 km (0.108 R)
• M4: 1,689,110 km (0.078 R)
• M5: 2,123,991 km (0.119 R)
• M6: 2,512,945 km (0.098 R)
• M7: 3,138,713 km (0.032 R)
• M8: 3,941,455 km (0.119 R)
• M9: 4,398,626 km (0.093 R)
• M10: 5,068,376 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 13

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,300,120 km

• M1: 161,715 km (0.031 R)
• M2: 605,871 km (0.053 R)
• M3: 1,487,302 km (0.084 R)
• M4: 2,417,502 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.6

Radius: 8.7

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.65 AU - 0.95 AU

Year: 485 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,300,120 km

• M1: 108,608 km (0.11 R)
• M2: 419,024 km (0.098 R)
• M3: 715,377 km (0.085 R)
• M4: 1,228,199 km (0.11 R)
• M5: 1,557,015 km (0.1 R)
• M6: 2,281,517 km (0.086 R)
• M7: 2,699,194 km (0.109 R)
• M8: 2,994,201 km (0.079 R)
• M9: 3,688,485 km (0.058 R)
• M10: 4,094,943 km (0.087 R)
• M11: 4,397,130 km (0.051 R)
• M12: 4,854,601 km (0.092 R)
• M13: 5,360,391 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 8.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.57 AU - 3.53 AU

Year: 3613 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,300,120 km

• M1: 110,702 km (0.104 R)
• M2: 493,374 km (0.042 R)
• M3: 785,538 km (0.087 R)
• M4: 1,866,533 km (0.037 R)
• M5: 2,164,831 km (0.053 R)
• M6: 2,466,270 km (0.096 R)
• M7: 3,713,169 km (0.089 R)
• M8: 4,378,281 km (0.103 R)
• M9: 4,864,175 km (0.099 R)
• M10: 6,653,365 km (0.059 R)
• M11: 7,916,420 km (0.102 R)
• M12: 10,063,150 km (0.118 R)
• M13: 10,596,765 km (0.064 R)
• M14: 11,804,170 km (0.107 R)
• M15: 13,235,372 km (0.09 R)
• M16: 14,016,124 km (0.057 R)
• M17: 14,681,984 km (0.057 R)
• M18: 15,170,421 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 9.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.88 AU - 3.42 AU

Year: 3792 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,300,120 km

• M1: 116,986 km (0.061 R)
• M2: 487,839 km (0.068 R)
• M3: 893,847 km (0.079 R)
• M4: 1,193,641 km (0.077 R)
• M5: 1,613,413 km (0.118 R)
• M6: 1,911,262 km (0.045 R)
• M7: 2,738,987 km (0.088 R)
• M8: 3,441,798 km (0.096 R)
• M9: 4,404,909 km (0.071 R)
• M10: 4,949,446 km (0.057 R)
• M11: 5,661,382 km (0.108 R)
• M12: 6,714,850 km (0.054 R)
• M13: 7,801,080 km (0.115 R)
• M14: 8,532,913 km (0.061 R)
• M15: 9,102,731 km (0.119 R)
• M16: 10,023,207 km (0.096 R)
• M17: 12,089,602 km (0.068 R)
• M18: 12,808,570 km (0.07 R)
• M19: 14,146,573 km (0.074 R)
• M20: 14,612,720 km (0.08 R)
• M21: 15,040,869 km (0.094 R)
• M22: 18,058,408 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.2

Radius: 4

Gravity: 51.39 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.76 AU - 9.62 AU

Year: 15897 Days

Day: 23 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 62,300,120 km

• M1: 49,816 km (0.101 R)
• M2: 205,547 km (0.057 R)
• M3: 344,524 km (0.108 R)
• M4: 517,908 km (0.088 R)
• M5: 2,237,685 km (0.08 R)
• M6: 2,386,236 km (0.062 R)
• M7: 2,847,745 km (0.098 R)
• M8: 3,854,389 km (0.09 R)
• M9: 6,452,605 km (0.101 R)
• M10: 7,670,032 km (0.097 R)
• M11: 8,307,469 km (0.106 R)
• M12: 8,613,247 km (0.109 R)
• M13: 8,768,978 km (0.074 R)
• M14: 9,855,358 km (0.109 R)
• M15: 11,522,776 km (0.115 R)
• M16: 13,789,184 km (0.039 R)
• M17: 14,728,958 km (0.112 R)
• M18: 15,943,094 km (0.111 R)
• M19: 18,741,920 km (0.119 R)
• M20: 20,348,302 km (0.1 R)
• M21: 22,728,554 km (0.072 R)
• M22: 23,326,198 km (0.088 R)
• M23: 26,581,896 km (0.077 R)
• M24: 27,580,911 km (0.112 R)
• M25: 29,418,272 km (0.113 R)
• M26: 30,969,901 km (0.104 R)
• M27: 32,075,579 km (0.075 R)
• M28: 33,718,762 km (0.049 R)
• M29: 35,020,263 km (0.108 R)
• M30: 35,417,146 km (0.117 R)
• M31: 37,034,748 km (0.039 R)
• M32: 40,416,258 km (0.115 R)
• M33: 43,386,973 km (0.106 R)
• M34: 43,539,114 km (0.08 R)
• M35: 44,460,038 km (0.076 R)
• M36: 44,925,437 km (0.051 R)
• M37: 52,818,221 km (0.09 R)
• M38: 54,041,333 km (0.073 R)
• M39: 56,362,494 km (0.119 R)
• M40: 61,011,696 km (0.109 R)
• M41: 64,711,252 km (0.095 R)
• M42: 68,557,563 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.5

Radius: 4.3

Gravity: 22.63 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.73 AU - 9.69 AU

Year: 18957 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 62,300,120 km

• M1: 54,753 km (0.073 R)
• M2: 392,844 km (0.111 R)
• M3: 861,235 km (0.109 R)
• M4: 1,211,892 km (0.088 R)
• M5: 2,074,174 km (0.109 R)
• M6: 3,180,900 km (0.085 R)
• M7: 4,097,336 km (0.074 R)
• M8: 4,250,076 km (0.093 R)
• M9: 5,106,823 km (0.037 R)
• M10: 5,801,705 km (0.106 R)
• M11: 6,352,524 km (0.099 R)
• M12: 9,855,059 km (0.109 R)
• M13: 11,043,614 km (0.119 R)
• M14: 13,431,645 km (0.054 R)
• M15: 15,470,365 km (0.109 R)
• M16: 15,766,718 km (0.088 R)
• M17: 19,367,838 km (0.06 R)
• M18: 19,886,045 km (0.047 R)
• M19: 20,859,777 km (0.08 R)
• M20: 26,736,131 km (0.07 R)
• M21: 27,055,972 km (0.111 R)
• M22: 27,378,206 km (0.109 R)
• M23: 28,582,020 km (0.101 R)
• M24: 30,395,146 km (0.116 R)
• M25: 33,874,493 km (0.069 R)
• M26: 34,123,723 km (0.072 R)
• M27: 35,903,190 km (0.072 R)
• M28: 42,328,418 km (0.072 R)
• M29: 42,762,701 km (0.076 R)
• M30: 43,640,242 km (0.091 R)
• M31: 46,344,972 km (0.065 R)
• M32: 46,498,309 km (0.07 R)
• M33: 47,738,177 km (0.109 R)
• M34: 52,918,152 km (0.087 R)
• M35: 53,253,850 km (0.117 R)
• M36: 55,297,656 km (0.075 R)
• M37: 57,570,048 km (0.108 R)
• M38: 58,999,007 km (0.096 R)
• M39: 60,085,985 km (0.105 R)
• M40: 60,268,494 km (0.047 R)
• M41: 61,371,030 km (0.107 R)
• M42: 61,556,083 km (0.111 R)
• M43: 61,741,584 km (0.094 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: 183 - 11,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit