🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 9.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 13.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,681,894 km

• M1: 115,639 km (0.113 R)
• M2: 429,047 km (0.112 R)
• M3: 721,211 km (0.094 R)
• M4: 1,083,089 km (0.096 R)
• M5: 1,390,662 km (0.103 R)
• M6: 1,715,140 km (0.119 R)
• M7: 2,026,752 km (0.092 R)
• M8: 2,584,902 km (0.054 R)
• M9: 2,905,789 km (0.113 R)
• M10: 3,772,110 km (0.092 R)
• M11: 4,225,990 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 14.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.65 AU - 1.97 AU

Year: 1572 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,681,894 km

• M1: 177,872 km (0.065 R)
• M2: 734,974 km (0.08 R)
• M3: 1,453,942 km (0.099 R)
• M4: 1,970,054 km (0.103 R)
• M5: 2,590,138 km (0.082 R)
• M6: 3,924,102 km (0.108 R)
• M7: 4,520,249 km (0.111 R)
• M8: 5,160,977 km (0.036 R)
• M9: 5,693,246 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.4

Radius: 11

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.76 AU - 2.9 AU

Year: 3074 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,681,894 km

• M1: 138,528 km (0.078 R)
• M2: 524,341 km (0.098 R)
• M3: 1,683,275 km (0.048 R)
• M4: 2,083,450 km (0.108 R)
• M5: 2,654,165 km (0.03 R)
• M6: 3,664,849 km (0.095 R)
• M7: 4,173,033 km (0.119 R)
• M8: 4,820,941 km (0.105 R)
• M9: 5,638,643 km (0.096 R)
• M10: 6,839,764 km (0.084 R)
• M11: 7,390,434 km (0.084 R)
• M12: 7,741,241 km (0.077 R)
• M13: 9,076,402 km (0.106 R)
• M14: 10,559,366 km (0.084 R)
• M15: 10,964,327 km (0.11 R)
• M16: 12,643,862 km (0.069 R)
• M17: 14,439,336 km (0.077 R)
• M18: 18,009,040 km (0.093 R)
• M19: 18,941,334 km (0.083 R)
• M20: 19,722,235 km (0.102 R)
• M21: 21,156,280 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 13.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.41 AU - 3.59 AU

Year: 4228 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,681,894 km

• M1: 198,666 km (0.039 R)
• M2: 2,261,920 km (0.071 R)
• M3: 2,828,148 km (0.06 R)
• M4: 5,496,824 km (0.102 R)
• M5: 6,654,712 km (0.087 R)
• M6: 7,342,413 km (0.076 R)
• M7: 8,745,342 km (0.039 R)
• M8: 10,448,663 km (0.078 R)
• M9: 11,379,012 km (0.058 R)
• M10: 12,802,885 km (0.116 R)
• M11: 14,449,210 km (0.105 R)
• M12: 15,435,209 km (0.097 R)
• M13: 25,313,605 km (0.09 R)
• M14: 26,826,788 km (0.097 R)
• M15: 27,730,060 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 9.4

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.05 AU - 3.96 AU

Year: 4228 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,681,894 km

• M1: 116,836 km (0.092 R)
• M2: 450,589 km (0.094 R)
• M3: 861,385 km (0.083 R)
• M4: 1,208,601 km (0.064 R)
• M5: 1,529,937 km (0.076 R)
• M6: 1,868,328 km (0.067 R)
• M7: 2,495,442 km (0.056 R)
• M8: 2,913,269 km (0.11 R)
• M9: 3,217,401 km (0.09 R)
• M10: 3,980,650 km (0.059 R)
• M11: 4,454,127 km (0.096 R)
• M12: 4,756,016 km (0.089 R)
• M13: 5,262,255 km (0.064 R)
• M14: 6,669,522 km (0.092 R)
• M15: 7,689,929 km (0.073 R)
• M16: 8,733,075 km (0.072 R)
• M17: 9,248,290 km (0.112 R)
• M18: 9,616,750 km (0.104 R)
• M19: 10,961,634 km (0.094 R)
• M20: 12,626,210 km (0.082 R)
• M21: 14,343,893 km (0.11 R)
• M22: 16,330,403 km (0.103 R)
• M23: 16,688,540 km (0.115 R)
• M24: 17,606,622 km (0.093 R)
• M25: 18,752,542 km (0.066 R)
• M26: 25,236,862 km (0.11 R)
• M27: 25,957,624 km (0.034 R)
• M28: 28,287,761 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 10.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.5 AU - 4.5 AU

Year: 5165 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,681,894 km

• M1: 229,483 km (0.097 R)
• M2: 885,021 km (0.117 R)
• M3: 1,674,150 km (0.109 R)
• M4: 2,720,138 km (0.113 R)
• M5: 3,082,315 km (0.098 R)
• M6: 4,764,543 km (0.067 R)
• M7: 5,294,119 km (0.102 R)
• M8: 6,471,155 km (0.11 R)
• M9: 7,290,503 km (0.109 R)
• M10: 8,326,019 km (0.119 R)
• M11: 9,335,356 km (0.102 R)
• M12: 9,911,607 km (0.03 R)
• M13: 12,456,715 km (0.112 R)
• M14: 13,722,463 km (0.116 R)
• M15: 16,039,136 km (0.098 R)
• M16: 19,253,994 km (0.093 R)
• M17: 20,255,851 km (0.044 R)
• M18: 23,097,014 km (0.114 R)
• M19: 23,998,640 km (0.082 R)
• M20: 24,845,663 km (0.091 R)
• M21: 25,394,987 km (0.093 R)
• M22: 28,604,758 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.92 AU - 5.22 AU

Year: 6308 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,681,894 km

• M1: 151,243 km (0.085 R)
• M2: 625,469 km (0.03 R)
• M3: 1,026,840 km (0.078 R)
• M4: 2,452,507 km (0.12 R)
• M5: 2,916,710 km (0.113 R)
• M6: 3,806,069 km (0.106 R)
• M7: 4,250,225 km (0.058 R)
• M8: 5,545,443 km (0.096 R)
• M9: 6,151,464 km (0.085 R)
• M10: 6,591,282 km (0.07 R)
• M11: 7,015,691 km (0.099 R)
• M12: 7,420,952 km (0.098 R)
• M13: 8,606,366 km (0.11 R)
• M14: 8,985,447 km (0.095 R)
• M15: 9,732,389 km (0.04 R)
• M16: 10,808,147 km (0.103 R)
• M17: 11,858,324 km (0.063 R)
• M18: 14,160,785 km (0.109 R)
• M19: 16,812,258 km (0.101 R)
• M20: 17,878,292 km (0.083 R)
• M21: 19,561,118 km (0.118 R)
• M22: 20,441,053 km (0.098 R)
• M23: 23,320,812 km (0.106 R)
• M24: 24,393,878 km (0.102 R)
• M25: 24,815,145 km (0.118 R)
• M26: 26,905,775 km (0.083 R)
• M27: 29,872,600 km (0.082 R)
• M28: 30,258,264 km (0.097 R)
• M29: 31,435,001 km (0.099 R)
• M30: 33,879,579 km (0.115 R)
• M31: 35,902,741 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 5.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.47 AU - 8.41 AU

Year: 13103 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,681,894 km

• M1: 70,610 km (0.111 R)
• M2: 1,339,948 km (0.082 R)
• M3: 2,358,560 km (0.11 R)
• M4: 4,134,287 km (0.084 R)
• M5: 4,448,891 km (0.112 R)
• M6: 16,593,845 km (0.107 R)
• M7: 18,270,089 km (0.086 R)
• M8: 23,437,050 km (0.108 R)
• M9: 24,279,884 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.2

Radius: 7.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.04 AU - 9.36 AU

Year: 13796 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 151.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,681,894 km

• M1: 98,286 km (0.099 R)
• M2: 356,941 km (0.086 R)
• M3: 654,640 km (0.111 R)
• M4: 924,515 km (0.115 R)
• M5: 2,148,824 km (0.09 R)
• M6: 2,875,421 km (0.074 R)
• M7: 3,233,109 km (0.025 R)
• M8: 3,540,383 km (0.12 R)
• M9: 4,273,712 km (0.07 R)
• M10: 6,153,409 km (0.064 R)
• M11: 6,426,874 km (0.095 R)
• M12: 9,942,424 km (0.077 R)
• M13: 11,217,746 km (0.097 R)
• M14: 13,362,381 km (0.101 R)
• M15: 14,224,364 km (0.117 R)
• M16: 15,264,368 km (0.11 R)
• M17: 16,132,186 km (0.092 R)
• M18: 17,032,466 km (0.068 R)
• M19: 18,284,450 km (0.112 R)
• M20: 18,687,916 km (0.026 R)
• M21: 19,849,393 km (0.07 R)
• M22: 21,680,920 km (0.047 R)
• M23: 22,776,575 km (0.108 R)
• M24: 23,338,016 km (0.117 R)
• M25: 27,110,575 km (0.109 R)
• M26: 36,469,717 km (0.072 R)
• M27: 37,109,248 km (0.108 R)
• M28: 44,210,808 km (0.084 R)
• M29: 46,865,722 km (0.106 R)
• M30: 48,079,110 km (0.065 R)
• M31: 51,044,589 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 20,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit