🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 14.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.84 AU - 1.12 AU

Year: 658 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,613,129 km

• M1: 184,155 km (0.069 R)
• M2: 656,136 km (0.075 R)
• M3: 1,165,218 km (0.073 R)
• M4: 1,663,528 km (0.084 R)
• M5: 2,203,128 km (0.068 R)
• M6: 2,689,022 km (0.096 R)
• M7: 3,258,690 km (0.055 R)
• M8: 4,306,474 km (0.044 R)
• M9: 4,790,423 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 13.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.86 AU - 1.18 AU

Year: 699 Days

Day: 10.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,613,129 km

• M1: 172,038 km (0.116 R)
• M2: 606,769 km (0.117 R)
• M3: 1,067,381 km (0.095 R)
• M4: 1,500,766 km (0.098 R)
• M5: 2,020,618 km (0.058 R)
• M6: 2,735,247 km (0.05 R)
• M7: 3,334,537 km (0.058 R)
• M8: 4,206,243 km (0.092 R)
• M9: 4,815,107 km (0.08 R)
• M10: 6,041,211 km (0.03 R)
• M11: 6,677,750 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 12

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.91 AU - 1.27 AU

Year: 772 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,613,129 km

• M1: 149,448 km (0.098 R)
• M2: 677,678 km (0.06 R)
• M3: 1,132,905 km (0.11 R)
• M4: 1,696,440 km (0.09 R)
• M5: 2,096,165 km (0.088 R)
• M6: 2,599,413 km (0.1 R)
• M7: 3,012,303 km (0.084 R)
• M8: 3,656,920 km (0.117 R)
• M9: 4,206,393 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.41 AU - 3.53 AU

Year: 3472 Days

Day: 7.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,613,129 km

• M1: 173,234 km (0.104 R)
• M2: 868,715 km (0.106 R)
• M3: 1,376,151 km (0.101 R)
• M4: 1,927,569 km (0.089 R)
• M5: 3,726,633 km (0.09 R)
• M6: 4,745,244 km (0.119 R)
• M7: 7,527,466 km (0.082 R)
• M8: 8,383,315 km (0.091 R)
• M9: 9,456,381 km (0.075 R)
• M10: 14,218,829 km (0.069 R)
• M11: 15,634,773 km (0.057 R)
• M12: 19,552,442 km (0.098 R)
• M13: 20,511,663 km (0.071 R)
• M14: 24,445,190 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 10.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.47 AU - 3.97 AU

Year: 3919 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,613,129 km

• M1: 130,599 km (0.113 R)
• M2: 521,648 km (0.093 R)
• M3: 1,101,040 km (0.048 R)
• M4: 1,434,045 km (0.119 R)
• M5: 1,914,105 km (0.107 R)
• M6: 3,220,094 km (0.052 R)
• M7: 3,557,288 km (0.106 R)
• M8: 4,738,812 km (0.09 R)
• M9: 5,203,612 km (0.114 R)
• M10: 5,614,109 km (0.04 R)
• M11: 6,376,759 km (0.115 R)
• M12: 7,341,067 km (0.108 R)
• M13: 7,964,740 km (0.085 R)
• M14: 11,128,137 km (0.108 R)
• M15: 12,522,539 km (0.078 R)
• M16: 13,312,266 km (0.113 R)
• M17: 15,376,118 km (0.076 R)
• M18: 16,052,001 km (0.115 R)
• M19: 16,455,317 km (0.112 R)
• M20: 17,766,991 km (0.083 R)
• M21: 18,954,948 km (0.109 R)
• M22: 19,929,578 km (0.062 R)
• M23: 21,418,974 km (0.103 R)
• M24: 22,691,603 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 14.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.82 AU - 5.16 AU

Year: 7560 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 139.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,613,129 km

• M1: 181,612 km (0.097 R)
• M2: 670,946 km (0.094 R)
• M3: 1,242,261 km (0.041 R)
• M4: 1,751,342 km (0.05 R)
• M5: 2,221,080 km (0.112 R)
• M6: 2,701,887 km (0.052 R)
• M7: 3,380,463 km (0.085 R)
• M8: 6,057,966 km (0.109 R)
• M9: 7,337,925 km (0.092 R)
• M10: 8,543,385 km (0.09 R)
• M11: 9,001,603 km (0.109 R)
• M12: 11,646,194 km (0.071 R)
• M13: 12,473,470 km (0.117 R)
• M14: 13,119,284 km (0.102 R)
• M15: 14,303,352 km (0.077 R)
• M16: 15,011,249 km (0.09 R)
• M17: 17,013,766 km (0.114 R)
• M18: 17,943,816 km (0.066 R)
• M19: 21,088,363 km (0.073 R)
• M20: 24,334,038 km (0.104 R)
• M21: 33,210,129 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.9

Radius: 8

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.68 AU - 6.96 AU

Year: 9523 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,613,129 km

• M1: 99,483 km (0.119 R)
• M2: 480,957 km (0.116 R)
• M3: 993,779 km (0.119 R)
• M4: 1,432,549 km (0.095 R)
• M5: 1,913,806 km (0.119 R)
• M6: 2,677,652 km (0.083 R)
• M7: 4,977,570 km (0.066 R)
• M8: 5,559,805 km (0.07 R)
• M9: 7,621,862 km (0.096 R)
• M10: 8,218,757 km (0.094 R)
• M11: 8,618,782 km (0.075 R)
• M12: 9,125,171 km (0.069 R)
• M13: 9,847,579 km (0.109 R)
• M14: 11,570,199 km (0.115 R)
• M15: 13,545,938 km (0.119 R)
• M16: 14,104,386 km (0.06 R)
• M17: 17,636,243 km (0.092 R)
• M18: 19,293,488 km (0.058 R)
• M19: 20,887,752 km (0.097 R)
• M20: 21,299,595 km (0.088 R)
• M21: 24,976,561 km (0.108 R)
• M22: 25,254,215 km (0.113 R)
• M23: 28,750,467 km (0.066 R)
• M24: 30,088,470 km (0.073 R)
• M25: 34,465,255 km (0.074 R)
• M26: 37,164,898 km (0.083 R)
• M27: 39,624,138 km (0.108 R)
• M28: 43,781,462 km (0.068 R)
• M29: 45,826,615 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.5

Radius: 3

Gravity: 31.94 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.14 AU - 10.6 AU

Year: 17917 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,613,129 km

• M1: 58,792 km (0.117 R)
• M2: 153,487 km (0.07 R)
• M3: 254,017 km (0.06 R)
• M4: 417,677 km (0.112 R)
• M5: 534,364 km (0.12 R)
• M6: 680,970 km (0.061 R)
• M7: 967,150 km (0.116 R)
• M8: 1,101,938 km (0.106 R)
• M9: 1,395,449 km (0.068 R)
• M10: 2,209,710 km (0.105 R)
• M11: 2,364,394 km (0.05 R)
• M12: 3,273,052 km (0.12 R)
• M13: 3,737,104 km (0.082 R)
• M14: 4,156,128 km (0.041 R)
• M15: 5,707,159 km (0.075 R)
• M16: 6,810,443 km (0.112 R)
• M17: 8,743,696 km (0.094 R)
• M18: 11,237,642 km (0.05 R)
• M19: 11,350,888 km (0.109 R)
• M20: 14,299,612 km (0.071 R)
• M21: 15,806,960 km (0.111 R)
• M22: 15,949,078 km (0.089 R)
• M23: 16,307,963 km (0.119 R)
• M24: 16,598,931 km (0.08 R)
• M25: 17,341,535 km (0.114 R)
• M26: 17,720,915 km (0.077 R)
• M27: 18,972,451 km (0.079 R)
• M28: 19,866,298 km (0.076 R)
• M29: 20,281,731 km (0.119 R)
• M30: 23,261,272 km (0.12 R)
• M31: 24,378,768 km (0.089 R)
• M32: 28,466,530 km (0.112 R)
• M33: 29,100,675 km (0.119 R)
• M34: 29,960,714 km (0.079 R)
• M35: 30,948,359 km (0.088 R)
• M36: 33,104,064 km (0.094 R)
• M37: 33,805,229 km (0.074 R)
• M38: 40,036,280 km (0.115 R)
• M39: 40,432,714 km (0.091 R)
• M40: 47,284,147 km (0.12 R)
• M41: 48,471,505 km (0.089 R)
• M42: 50,750,928 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.4

Radius: 4.5

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.73 AU - 10.39 AU

Year: 21642 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,613,129 km

• M1: 67,169 km (0.053 R)
• M2: 558,000 km (0.057 R)
• M3: 869,164 km (0.099 R)
• M4: 3,009,311 km (0.118 R)
• M5: 3,162,948 km (0.099 R)
• M6: 3,801,132 km (0.093 R)
• M7: 4,041,985 km (0.117 R)
• M8: 5,108,917 km (0.069 R)
• M9: 6,023,259 km (0.109 R)
• M10: 8,269,172 km (0.085 R)
• M11: 10,659,746 km (0.051 R)
• M12: 12,795,555 km (0.096 R)
• M13: 13,822,544 km (0.072 R)
• M14: 14,105,434 km (0.057 R)
• M15: 16,038,986 km (0.059 R)
• M16: 16,907,701 km (0.102 R)
• M17: 17,724,356 km (0.092 R)
• M18: 19,435,755 km (0.039 R)
• M19: 20,059,878 km (0.102 R)
• M20: 21,631,254 km (0.059 R)
• M21: 26,290,629 km (0.062 R)
• M22: 30,491,487 km (0.11 R)
• M23: 31,699,041 km (0.119 R)
• M24: 34,987,352 km (0.11 R)
• M25: 35,777,228 km (0.092 R)
• M26: 37,941,610 km (0.093 R)
• M27: 41,349,450 km (0.078 R)
• M28: 58,481,697 km (0.089 R)
• M29: 61,287,106 km (0.105 R)
• M30: 63,206,447 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.8

Radius: 5.6

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.13 AU - 11.25 AU

Year: 22062 Days

Day: 23.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,613,129 km

• M1: 74,799 km (0.073 R)
• M2: 462,407 km (0.025 R)
• M3: 976,575 km (0.084 R)
• M4: 1,248,394 km (0.113 R)
• M5: 1,488,499 km (0.059 R)
• M6: 1,925,624 km (0.117 R)
• M7: 6,907,831 km (0.083 R)
• M8: 8,839,589 km (0.095 R)
• M9: 16,010,563 km (0.12 R)
• M10: 18,444,071 km (0.091 R)
• M11: 20,258,992 km (0.081 R)
• M12: 26,412,850 km (0.118 R)
• M13: 27,431,762 km (0.085 R)
• M14: 30,276,515 km (0.096 R)
• M15: 36,544,067 km (0.119 R)
• M16: 38,666,861 km (0.119 R)
• M17: 42,692,689 km (0.119 R)
• M18: 49,156,813 km (0.081 R)
• M19: 53,511,158 km (0.115 R)
• M20: 60,029,287 km (0.062 R)
• M21: 62,380,367 km (0.092 R)
• M22: 65,199,988 km (0.104 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: 391 - 12,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit