🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 10.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,047,549 km

• M1: 128,056 km (0.091 R)
• M2: 452,982 km (0.089 R)
• M3: 996,920 km (0.119 R)
• M4: 1,474,437 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.1

Radius: 8.2

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,047,549 km

• M1: 102,175 km (0.115 R)
• M2: 363,373 km (0.101 R)
• M3: 626,665 km (0.07 R)
• M4: 944,411 km (0.106 R)
• M5: 1,357,750 km (0.055 R)
• M6: 1,641,537 km (0.061 R)
• M7: 1,934,001 km (0.102 R)
• M8: 2,457,145 km (0.036 R)
• M9: 3,346,504 km (0.086 R)
• M10: 3,626,103 km (0.069 R)
• M11: 4,435,427 km (0.085 R)
• M12: 4,949,296 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 12.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.8 AU - 0.88 AU

Year: 513 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,047,549 km

• M1: 160,369 km (0.105 R)
• M2: 628,760 km (0.109 R)
• M3: 1,040,453 km (0.06 R)
• M4: 1,547,590 km (0.054 R)
• M5: 2,025,555 km (0.057 R)
• M6: 2,513,394 km (0.095 R)
• M7: 3,265,722 km (0.104 R)
• M8: 3,894,930 km (0.026 R)
• M9: 4,590,261 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.6

Radius: 14.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.04 AU - 2.1 AU

Year: 1986 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,047,549 km

• M1: 179,218 km (0.039 R)
• M2: 691,890 km (0.117 R)
• M3: 1,469,949 km (0.065 R)
• M4: 2,294,682 km (0.112 R)
• M5: 3,035,490 km (0.083 R)
• M6: 5,065,533 km (0.063 R)
• M7: 5,969,105 km (0.047 R)
• M8: 7,261,481 km (0.076 R)
• M9: 8,128,400 km (0.117 R)
• M10: 8,700,612 km (0.102 R)
• M11: 10,033,080 km (0.049 R)
• M12: 10,543,209 km (0.096 R)
• M13: 11,186,031 km (0.102 R)
• M14: 11,975,758 km (0.104 R)
• M15: 14,158,391 km (0.089 R)
• M16: 14,754,838 km (0.047 R)
• M17: 15,511,803 km (0.096 R)
• M18: 16,494,512 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426

Radius: 4.3

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.54 AU - 6 AU

Year: 9243 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,047,549 km

• M1: 53,556 km (0.113 R)
• M2: 287,228 km (0.102 R)
• M3: 989,291 km (0.105 R)
• M4: 1,907,822 km (0.113 R)
• M5: 2,300,516 km (0.115 R)
• M6: 3,355,929 km (0.11 R)
• M7: 4,755,567 km (0.119 R)
• M8: 6,574,078 km (0.091 R)
• M9: 7,578,479 km (0.101 R)
• M10: 9,932,999 km (0.055 R)
• M11: 10,407,973 km (0.118 R)
• M12: 10,602,151 km (0.057 R)
• M13: 12,243,239 km (0.047 R)
• M14: 13,870,266 km (0.094 R)
• M15: 17,004,491 km (0.109 R)
• M16: 17,341,684 km (0.083 R)
• M17: 20,126,748 km (0.09 R)
• M18: 21,040,043 km (0.061 R)
• M19: 22,220,370 km (0.112 R)
• M20: 22,867,531 km (0.091 R)
• M21: 24,454,764 km (0.055 R)
• M22: 25,935,932 km (0.107 R)
• M23: 31,946,027 km (0.092 R)
• M24: 32,978,103 km (0.103 R)
• M25: 33,607,760 km (0.047 R)
• M26: 34,460,019 km (0.106 R)
• M27: 35,326,340 km (0.091 R)
• M28: 37,898,227 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.7

Radius: 6.9

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.27 AU - 6.65 AU

Year: 9703 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,047,549 km

• M1: 88,263 km (0.114 R)
• M2: 319,541 km (0.082 R)
• M3: 670,498 km (0.103 R)
• M4: 1,121,086 km (0.115 R)
• M5: 1,434,943 km (0.044 R)
• M6: 1,838,857 km (0.069 R)
• M7: 3,008,413 km (0.11 R)
• M8: 3,390,187 km (0.061 R)
• M9: 3,750,419 km (0.109 R)
• M10: 4,487,039 km (0.106 R)
• M11: 4,826,177 km (0.09 R)
• M12: 6,785,460 km (0.066 R)
• M13: 8,096,536 km (0.06 R)
• M14: 8,553,258 km (0.118 R)
• M15: 9,075,504 km (0.116 R)
• M16: 9,319,798 km (0.107 R)
• M17: 9,618,694 km (0.088 R)
• M18: 11,835,585 km (0.078 R)
• M19: 12,483,793 km (0.115 R)
• M20: 12,725,393 km (0.076 R)
• M21: 14,175,146 km (0.103 R)
• M22: 15,384,047 km (0.084 R)
• M23: 15,731,712 km (0.049 R)
• M24: 19,991,960 km (0.104 R)
• M25: 21,682,865 km (0.107 R)
• M26: 24,113,681 km (0.079 R)
• M27: 25,346,517 km (0.104 R)
• M28: 27,324,350 km (0.119 R)
• M29: 28,040,176 km (0.076 R)
• M30: 29,616,190 km (0.067 R)
• M31: 30,808,784 km (0.09 R)
• M32: 36,635,471 km (0.105 R)
• M33: 44,546,506 km (0.095 R)
• M34: 47,563,895 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.3

Radius: 3.2

Gravity: 97.59 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.99 AU - 8.01 AU

Year: 13697 Days

Day: 21 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,047,549 km

• M1: 39,793 km (0.064 R)
• M2: 363,224 km (0.085 R)
• M3: 514,018 km (0.05 R)
• M4: 1,001,259 km (0.057 R)
• M5: 1,867,131 km (0.046 R)
• M6: 1,997,580 km (0.039 R)
• M7: 2,235,441 km (0.059 R)
• M8: 2,987,320 km (0.034 R)
• M9: 3,166,089 km (0.05 R)
• M10: 3,630,292 km (0.112 R)
• M11: 4,392,941 km (0.117 R)
• M12: 4,968,893 km (0.087 R)
• M13: 5,479,620 km (0.097 R)
• M14: 5,747,849 km (0.041 R)
• M15: 5,944,571 km (0.086 R)
• M16: 7,684,244 km (0.102 R)
• M17: 7,827,110 km (0.032 R)
• M18: 8,720,957 km (0.045 R)
• M19: 9,903,229 km (0.098 R)
• M20: 12,514,610 km (0.107 R)
• M21: 14,804,804 km (0.117 R)
• M22: 15,702,540 km (0.107 R)
• M23: 18,272,482 km (0.115 R)
• M24: 20,556,393 km (0.114 R)
• M25: 21,766,640 km (0.113 R)
• M26: 26,429,605 km (0.107 R)
• M27: 29,570,862 km (0.118 R)
• M28: 34,347,821 km (0.114 R)
• M29: 34,605,727 km (0.055 R)
• M30: 36,985,680 km (0.114 R)
• M31: 39,613,815 km (0.048 R)
• M32: 42,216,070 km (0.063 R)
• M33: 42,511,975 km (0.048 R)
• M34: 44,012,591 km (0.114 R)
• M35: 46,802,143 km (0.038 R)
• M36: 48,240,077 km (0.083 R)
• M37: 54,461,254 km (0.111 R)
• M38: 59,323,933 km (0.046 R)
• M39: 63,687,853 km (0.116 R)
• M40: 64,468,006 km (0.101 R)
• M41: 66,846,761 km (0.082 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: 400 - 17,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit