🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.6

Radius: 10.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.76 AU - 0.88 AU

Year: 472 Days

Day: 10.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,987,687 km

• M1: 129,552 km (0.106 R)
• M2: 491,579 km (0.101 R)
• M3: 830,567 km (0.115 R)
• M4: 1,601,595 km (0.039 R)
• M5: 1,944,024 km (0.072 R)
• M6: 2,820,369 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 8.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.92 AU - 1.04 AU

Year: 617 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,987,687 km

• M1: 109,506 km (0.095 R)
• M2: 409,749 km (0.065 R)
• M3: 684,859 km (0.093 R)
• M4: 1,068,428 km (0.092 R)
• M5: 1,372,411 km (0.093 R)
• M6: 1,891,665 km (0.068 R)
• M7: 2,406,581 km (0.095 R)
• M8: 2,689,022 km (0.086 R)
• M9: 3,021,428 km (0.089 R)
• M10: 3,311,199 km (0.075 R)
• M11: 3,662,156 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 11.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.64 AU - 2.06 AU

Year: 1600 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,987,687 km

• M1: 141,968 km (0.102 R)
• M2: 595,699 km (0.105 R)
• M3: 1,088,175 km (0.051 R)
• M4: 1,511,986 km (0.112 R)
• M5: 3,069,150 km (0.054 R)
• M6: 3,449,876 km (0.115 R)
• M7: 4,385,013 km (0.113 R)
• M8: 4,849,365 km (0.069 R)
• M9: 6,367,185 km (0.044 R)
• M10: 7,485,279 km (0.049 R)
• M11: 10,491,448 km (0.083 R)
• M12: 10,921,093 km (0.093 R)
• M13: 12,281,237 km (0.106 R)
• M14: 14,353,317 km (0.105 R)
• M15: 14,794,182 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 13.6

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.92 AU - 2.34 AU

Year: 1977 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,987,687 km

• M1: 170,093 km (0.112 R)
• M2: 631,004 km (0.065 R)
• M3: 1,075,908 km (0.055 R)
• M4: 1,992,943 km (0.051 R)
• M5: 3,945,793 km (0.053 R)
• M6: 4,373,195 km (0.066 R)
• M7: 4,869,859 km (0.045 R)
• M8: 5,424,718 km (0.106 R)
• M9: 6,245,113 km (0.049 R)
• M10: 6,974,402 km (0.087 R)
• M11: 7,918,664 km (0.116 R)
• M12: 8,716,918 km (0.074 R)
• M13: 10,218,582 km (0.084 R)
• M14: 11,504,974 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 8.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.07 AU - 2.39 AU

Year: 2117 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,987,687 km

• M1: 105,317 km (0.065 R)
• M2: 506,389 km (0.103 R)
• M3: 835,803 km (0.071 R)
• M4: 1,460,973 km (0.04 R)
• M5: 2,185,625 km (0.1 R)
• M6: 2,560,368 km (0.087 R)
• M7: 2,909,529 km (0.118 R)
• M8: 3,394,376 km (0.099 R)
• M9: 3,672,179 km (0.066 R)
• M10: 3,948,636 km (0.114 R)
• M11: 4,256,508 km (0.099 R)
• M12: 5,955,342 km (0.118 R)
• M13: 6,858,165 km (0.09 R)
• M14: 7,128,638 km (0.094 R)
• M15: 8,760,152 km (0.084 R)
• M16: 10,176,694 km (0.084 R)
• M17: 10,692,059 km (0.118 R)
• M18: 10,989,460 km (0.093 R)
• M19: 11,635,573 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.7

Radius: 8.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.37 AU - 3.51 AU

Year: 4057 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,987,687 km

• M1: 105,766 km (0.067 R)
• M2: 707,299 km (0.117 R)
• M3: 3,564,468 km (0.032 R)
• M4: 3,880,569 km (0.097 R)
• M5: 6,132,316 km (0.114 R)
• M6: 6,823,757 km (0.094 R)
• M7: 7,858,077 km (0.063 R)
• M8: 10,039,364 km (0.073 R)
• M9: 11,040,024 km (0.108 R)
• M10: 13,426,110 km (0.061 R)
• M11: 13,806,687 km (0.07 R)
• M12: 18,540,113 km (0.103 R)
• M13: 18,834,222 km (0.034 R)
• M14: 20,665,151 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 10.7

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.11 AU - 4.97 AU

Year: 5163 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,987,687 km

• M1: 133,441 km (0.112 R)
• M2: 585,227 km (0.045 R)
• M3: 1,139,188 km (0.104 R)
• M4: 1,691,503 km (0.11 R)
• M5: 3,378,518 km (0.081 R)
• M6: 4,273,712 km (0.088 R)
• M7: 5,205,557 km (0.041 R)
• M8: 7,110,836 km (0.065 R)
• M9: 8,614,743 km (0.088 R)
• M10: 9,021,799 km (0.114 R)
• M11: 9,699,926 km (0.111 R)
• M12: 10,826,996 km (0.097 R)
• M13: 11,301,371 km (0.099 R)
• M14: 12,292,158 km (0.106 R)
• M15: 13,286,086 km (0.088 R)
• M16: 14,617,058 km (0.07 R)
• M17: 16,279,839 km (0.046 R)
• M18: 17,413,342 km (0.115 R)
• M19: 17,933,643 km (0.035 R)
• M20: 18,531,436 km (0.048 R)
• M21: 19,005,362 km (0.118 R)
• M22: 19,696,654 km (0.105 R)
• M23: 22,553,525 km (0.098 R)
• M24: 23,881,355 km (0.075 R)
• M25: 28,623,757 km (0.092 R)
• M26: 30,086,226 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 12.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.02 AU - 5.96 AU

Year: 8179 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,987,687 km

• M1: 156,779 km (0.102 R)
• M2: 1,171,950 km (0.062 R)
• M3: 2,552,140 km (0.081 R)
• M4: 3,166,538 km (0.092 R)
• M5: 3,636,575 km (0.056 R)
• M6: 5,944,571 km (0.077 R)
• M7: 6,471,305 km (0.075 R)
• M8: 7,477,201 km (0.078 R)
• M9: 11,308,851 km (0.056 R)
• M10: 12,071,202 km (0.076 R)
• M11: 13,123,324 km (0.12 R)
• M12: 15,698,801 km (0.102 R)
• M13: 16,768,874 km (0.065 R)
• M14: 18,725,165 km (0.083 R)
• M15: 22,267,643 km (0.117 R)
• M16: 25,988,591 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.6

Radius: 6

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.82 AU - 7.22 AU

Year: 10585 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,987,687 km

• M1: 74,649 km (0.111 R)
• M2: 355,445 km (0.054 R)
• M3: 548,875 km (0.09 R)
• M4: 1,167,013 km (0.102 R)
• M5: 1,512,285 km (0.099 R)
• M6: 2,771,151 km (0.109 R)
• M7: 3,007,216 km (0.026 R)
• M8: 3,277,989 km (0.079 R)
• M9: 4,745,095 km (0.053 R)
• M10: 5,141,978 km (0.066 R)
• M11: 5,778,517 km (0.088 R)
• M12: 6,132,316 km (0.104 R)
• M13: 6,432,260 km (0.057 R)
• M14: 6,742,077 km (0.082 R)
• M15: 7,428,881 km (0.108 R)
• M16: 8,081,875 km (0.111 R)
• M17: 9,283,296 km (0.11 R)
• M18: 9,858,649 km (0.101 R)
• M19: 10,551,736 km (0.106 R)
• M20: 11,031,497 km (0.066 R)
• M21: 12,879,778 km (0.097 R)
• M22: 15,104,598 km (0.118 R)
• M23: 15,652,276 km (0.074 R)
• M24: 15,962,093 km (0.078 R)
• M25: 17,177,127 km (0.061 R)
• M26: 19,432,015 km (0.115 R)
• M27: 23,373,471 km (0.107 R)
• M28: 30,140,231 km (0.084 R)
• M29: 32,791,704 km (0.049 R)
• M30: 33,606,114 km (0.093 R)
• M31: 34,122,078 km (0.043 R)
• M32: 35,275,477 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.5

Radius: 4.3

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.06 AU - 11.18 AU

Year: 17512 Days

Day: 23 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,987,687 km

• M1: 54,753 km (0.069 R)
• M2: 397,033 km (0.111 R)
• M3: 740,061 km (0.106 R)
• M4: 947,852 km (0.111 R)
• M5: 1,602,044 km (0.076 R)
• M6: 2,623,498 km (0.052 R)
• M7: 2,779,080 km (0.088 R)
• M8: 2,940,645 km (0.074 R)
• M9: 3,257,643 km (0.114 R)
• M10: 3,516,597 km (0.091 R)
• M11: 4,075,644 km (0.09 R)
• M12: 8,776,608 km (0.064 R)
• M13: 13,138,882 km (0.059 R)
• M14: 15,098,614 km (0.086 R)
• M15: 17,477,968 km (0.113 R)
• M16: 18,109,570 km (0.042 R)
• M17: 20,964,496 km (0.099 R)
• M18: 21,497,663 km (0.062 R)
• M19: 22,776,575 km (0.082 R)
• M20: 24,494,407 km (0.114 R)
• M21: 24,788,966 km (0.04 R)
• M22: 25,485,194 km (0.102 R)
• M23: 26,296,763 km (0.114 R)
• M24: 27,440,737 km (0.071 R)
• M25: 29,053,402 km (0.075 R)
• M26: 29,493,819 km (0.117 R)
• M27: 33,179,461 km (0.026 R)
• M28: 36,774,448 km (0.114 R)
• M29: 38,466,998 km (0.105 R)
• M30: 39,803,805 km (0.11 R)
• M31: 43,280,609 km (0.074 R)
• M32: 43,999,576 km (0.084 R)
• M33: 49,255,697 km (0.109 R)
• M34: 52,765,114 km (0.101 R)
• M35: 56,267,050 km (0.12 R)
• M36: 56,608,433 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 16,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit