🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 9

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.73 AU - 0.73 AU

Year: 409 Days

Day: 11.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,862,421 km

• M1: 112,647 km (0.082 R)
• M2: 397,781 km (0.09 R)
• M3: 928,404 km (0.112 R)
• M4: 1,242,261 km (0.047 R)
• M5: 1,620,743 km (0.108 R)
• M6: 1,901,539 km (0.049 R)
• M7: 2,352,127 km (0.036 R)
• M8: 2,861,957 km (0.086 R)
• M9: 3,335,733 km (0.094 R)
• M10: 3,667,242 km (0.11 R)
• M11: 3,993,814 km (0.086 R)
• M12: 4,411,492 km (0.088 R)
• M13: 5,449,850 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.4

Radius: 12.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.03 AU

Year: 487 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,862,421 km

• M1: 160,519 km (0.086 R)
• M2: 561,740 km (0.089 R)
• M3: 1,235,080 km (0.082 R)
• M4: 1,809,685 km (0.114 R)
• M5: 2,662,992 km (0.115 R)
• M6: 3,193,316 km (0.074 R)
• M7: 3,842,870 km (0.088 R)
• M8: 4,265,933 km (0.106 R)
• M9: 4,864,175 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 10.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.91 AU - 1.01 AU

Year: 617 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,862,421 km

• M1: 131,796 km (0.057 R)
• M2: 482,304 km (0.114 R)
• M3: 1,075,758 km (0.107 R)
• M4: 1,435,691 km (0.09 R)
• M5: 1,893,610 km (0.086 R)
• M6: 2,227,064 km (0.074 R)
• M7: 2,737,043 km (0.117 R)
• M8: 3,628,048 km (0.099 R)
• M9: 3,978,855 km (0.059 R)
• M10: 4,367,061 km (0.07 R)
• M11: 5,598,252 km (0.085 R)
• M12: 6,162,086 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.1

Radius: 10.3

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.31 AU - 1.45 AU

Year: 1063 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,862,421 km

• M1: 128,056 km (0.104 R)
• M2: 514,467 km (0.119 R)
• M3: 1,125,275 km (0.102 R)
• M4: 1,569,431 km (0.111 R)
• M5: 2,045,751 km (0.032 R)
• M6: 3,935,022 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 10.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.18 AU - 3.46 AU

Year: 3968 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,862,421 km

• M1: 134,339 km (0.068 R)
• M2: 620,981 km (0.082 R)
• M3: 1,117,945 km (0.054 R)
• M4: 1,925,923 km (0.076 R)
• M5: 2,497,985 km (0.073 R)
• M6: 3,454,215 km (0.11 R)
• M7: 3,916,921 km (0.114 R)
• M8: 4,589,812 km (0.09 R)
• M9: 7,377,269 km (0.1 R)
• M10: 8,330,058 km (0.091 R)
• M11: 9,126,368 km (0.084 R)
• M12: 9,725,657 km (0.099 R)
• M13: 10,738,883 km (0.091 R)
• M14: 13,024,290 km (0.116 R)
• M15: 13,887,769 km (0.066 R)
• M16: 15,898,963 km (0.052 R)
• M17: 16,767,079 km (0.107 R)
• M18: 18,724,268 km (0.09 R)
• M19: 20,022,329 km (0.089 R)
• M20: 21,448,894 km (0.085 R)
• M21: 22,222,614 km (0.119 R)
• M22: 24,050,251 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.2

Radius: 4.2

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.92 AU - 7.18 AU

Year: 10997 Days

Day: 15.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,862,421 km

• M1: 52,359 km (0.066 R)
• M2: 336,595 km (0.071 R)
• M3: 499,956 km (0.112 R)
• M4: 761,902 km (0.12 R)
• M5: 1,140,983 km (0.064 R)
• M6: 1,886,280 km (0.062 R)
• M7: 2,931,520 km (0.106 R)
• M8: 4,339,086 km (0.117 R)
• M9: 4,764,842 km (0.088 R)
• M10: 12,141,812 km (0.103 R)
• M11: 14,203,869 km (0.106 R)
• M12: 14,900,696 km (0.102 R)
• M13: 15,197,648 km (0.115 R)
• M14: 18,117,649 km (0.057 R)
• M15: 21,166,004 km (0.045 R)
• M16: 21,920,875 km (0.06 R)
• M17: 23,245,116 km (0.084 R)
• M18: 26,830,827 km (0.109 R)
• M19: 27,270,345 km (0.064 R)
• M20: 29,633,244 km (0.069 R)
• M21: 31,056,668 km (0.112 R)
• M22: 31,736,291 km (0.101 R)
• M23: 33,834,550 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366

Radius: 7.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.44 AU - 8.98 AU

Year: 12700 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,862,421 km

• M1: 97,239 km (0.104 R)
• M2: 399,426 km (0.046 R)
• M3: 643,570 km (0.076 R)
• M4: 1,195,736 km (0.112 R)
• M5: 1,519,765 km (0.05 R)
• M6: 2,150,619 km (0.095 R)
• M7: 2,421,391 km (0.113 R)
• M8: 2,880,956 km (0.072 R)
• M9: 4,556,452 km (0.107 R)
• M10: 5,322,094 km (0.119 R)
• M11: 5,617,699 km (0.118 R)
• M12: 7,145,542 km (0.111 R)
• M13: 8,705,250 km (0.082 R)
• M14: 11,156,411 km (0.06 R)
• M15: 14,663,284 km (0.087 R)
• M16: 16,250,966 km (0.034 R)
• M17: 19,842,512 km (0.096 R)
• M18: 20,715,864 km (0.037 R)
• M19: 36,709,522 km (0.064 R)
• M20: 37,064,967 km (0.106 R)
• M21: 38,876,747 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.1

Radius: 7.5

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.2 AU - 9.18 AU

Year: 16805 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,862,421 km

• M1: 93,349 km (0.108 R)
• M2: 475,572 km (0.065 R)
• M3: 1,327,681 km (0.097 R)
• M4: 1,576,762 km (0.114 R)
• M5: 2,019,272 km (0.069 R)
• M6: 2,835,478 km (0.099 R)
• M7: 3,410,682 km (0.088 R)
• M8: 3,711,972 km (0.095 R)
• M9: 4,060,984 km (0.11 R)
• M10: 4,658,478 km (0.119 R)
• M11: 4,961,114 km (0.091 R)
• M12: 7,150,180 km (0.114 R)
• M13: 8,958,220 km (0.083 R)
• M14: 9,858,200 km (0.101 R)
• M15: 10,759,079 km (0.11 R)
• M16: 13,586,030 km (0.079 R)
• M17: 15,206,324 km (0.106 R)
• M18: 16,177,065 km (0.077 R)
• M19: 17,109,209 km (0.079 R)
• M20: 19,944,388 km (0.094 R)
• M21: 22,313,270 km (0.119 R)
• M22: 23,959,745 km (0.116 R)
• M23: 25,581,834 km (0.113 R)
• M24: 26,208,649 km (0.105 R)
• M25: 27,384,189 km (0.047 R)
• M26: 28,150,280 km (0.059 R)
• M27: 34,295,162 km (0.116 R)
• M28: 39,312,076 km (0.11 R)
• M29: 44,948,176 km (0.059 R)
• M30: 48,512,196 km (0.076 R)
• M31: 54,978,414 km (0.028 R)
• M32: 56,548,145 km (0.09 R)
• M33: 58,506,979 km (0.111 R)
• M34: 59,594,257 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.6

Radius: 4.6

Gravity: 36.89 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.66 AU - 10.76 AU

Year: 19849 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,862,421 km

• M1: 83,176 km (0.098 R)
• M2: 251,624 km (0.086 R)
• M3: 689,347 km (0.052 R)
• M4: 842,535 km (0.12 R)
• M5: 1,382,883 km (0.113 R)
• M6: 1,886,429 km (0.109 R)
• M7: 2,769,805 km (0.087 R)
• M8: 3,027,861 km (0.104 R)
• M9: 3,190,474 km (0.046 R)
• M10: 4,637,085 km (0.082 R)
• M11: 4,964,106 km (0.051 R)
• M12: 5,114,302 km (0.098 R)
• M13: 5,786,894 km (0.107 R)
• M14: 5,995,434 km (0.102 R)
• M15: 6,516,633 km (0.062 R)
• M16: 6,973,505 km (0.116 R)
• M17: 8,053,302 km (0.079 R)
• M18: 8,208,734 km (0.11 R)
• M19: 8,633,144 km (0.096 R)
• M20: 8,960,763 km (0.05 R)
• M21: 9,410,604 km (0.077 R)
• M22: 9,816,313 km (0.108 R)
• M23: 13,275,614 km (0.091 R)
• M24: 17,729,442 km (0.117 R)
• M25: 17,992,734 km (0.037 R)
• M26: 18,258,570 km (0.103 R)
• M27: 23,294,632 km (0.073 R)
• M28: 25,566,426 km (0.063 R)
• M29: 33,126,803 km (0.083 R)
• M30: 35,294,626 km (0.108 R)
• M31: 38,868,220 km (0.054 R)
• M32: 40,818,377 km (0.071 R)
• M33: 44,265,711 km (0.119 R)
• M34: 44,426,828 km (0.078 R)
• M35: 62,595,938 km (0.071 R)
• M36: 65,687,976 km (0.063 R)
• M37: 78,130,480 km (0.073 R)
• M38: 78,365,797 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.2

Radius: 3.1

Gravity: 58.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9.03 AU - 12.89 AU

Year: 23803 Days

Day: 22.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,862,421 km

• M1: 38,596 km (0.09 R)
• M2: 150,645 km (0.118 R)
• M3: 359,484 km (0.11 R)
• M4: 842,984 km (0.108 R)
• M5: 2,605,546 km (0.061 R)
• M6: 2,907,135 km (0.088 R)
• M7: 6,297,023 km (0.056 R)
• M8: 6,700,189 km (0.113 R)
• M9: 8,326,169 km (0.08 R)
• M10: 10,136,752 km (0.083 R)
• M11: 14,589,233 km (0.098 R)
• M12: 18,156,993 km (0.106 R)
• M13: 19,526,860 km (0.107 R)
• M14: 39,096,656 km (0.112 R)
• M15: 42,146,807 km (0.118 R)
• M16: 46,510,576 km (0.078 R)
• M17: 50,988,340 km (0.09 R)
• M18: 53,148,384 km (0.101 R)
• M19: 55,933,447 km (0.111 R)
• M20: 56,501,769 km (0.084 R)
• M21: 59,598,595 km (0.053 R)
• M22: 61,791,999 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit