🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 8.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.13 AU - 1.47 AU

Year: 972 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,965,063 km

• M1: 109,954 km (0.092 R)
• M2: 576,849 km (0.085 R)
• M3: 1,298,510 km (0.036 R)
• M4: 2,631,127 km (0.095 R)
• M5: 2,943,787 km (0.064 R)
• M6: 3,390,187 km (0.075 R)
• M7: 3,806,069 km (0.116 R)
• M8: 4,112,595 km (0.063 R)
• M9: 4,586,222 km (0.071 R)
• M10: 5,077,651 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.4

Radius: 13.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.44 AU - 1.68 AU

Year: 1278 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,965,063 km

• M1: 165,455 km (0.078 R)
• M2: 644,168 km (0.117 R)
• M3: 1,314,516 km (0.107 R)
• M4: 1,738,327 km (0.104 R)
• M5: 2,311,586 km (0.095 R)
• M6: 2,776,387 km (0.051 R)
• M7: 3,377,770 km (0.05 R)
• M8: 3,967,186 km (0.118 R)
• M9: 4,671,044 km (0.087 R)
• M10: 5,918,241 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 12.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.56 AU - 2 AU

Year: 1558 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,965,063 km

• M1: 151,842 km (0.107 R)
• M2: 561,291 km (0.062 R)
• M3: 954,734 km (0.078 R)
• M4: 1,365,380 km (0.077 R)
• M5: 1,746,705 km (0.075 R)
• M6: 2,155,107 km (0.059 R)
• M7: 2,538,077 km (0.106 R)
• M8: 3,067,056 km (0.04 R)
• M9: 3,460,049 km (0.072 R)
• M10: 4,367,211 km (0.087 R)
• M11: 4,847,270 km (0.116 R)
• M12: 5,800,657 km (0.11 R)
• M13: 6,674,907 km (0.115 R)
• M14: 9,291,524 km (0.052 R)
• M15: 10,931,864 km (0.073 R)
• M16: 12,115,333 km (0.11 R)
• M17: 12,834,450 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 8.3

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.11 AU - 2.23 AU

Year: 2097 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,965,063 km

• M1: 103,223 km (0.048 R)
• M2: 458,069 km (0.112 R)
• M3: 743,801 km (0.093 R)
• M4: 1,152,352 km (0.076 R)
• M5: 1,418,337 km (0.057 R)
• M6: 1,676,394 km (0.032 R)
• M7: 2,541,967 km (0.102 R)
• M8: 2,813,188 km (0.09 R)
• M9: 3,479,048 km (0.066 R)
• M10: 4,610,307 km (0.058 R)
• M11: 6,501,823 km (0.069 R)
• M12: 7,065,358 km (0.111 R)
• M13: 9,076,552 km (0.098 R)
• M14: 9,682,273 km (0.096 R)
• M15: 11,081,163 km (0.054 R)
• M16: 12,110,995 km (0.091 R)
• M17: 14,022,407 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 10.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.79 AU - 2.87 AU

Year: 3123 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,965,063 km

• M1: 134,488 km (0.06 R)
• M2: 631,453 km (0.056 R)
• M3: 1,032,973 km (0.097 R)
• M4: 1,361,640 km (0.111 R)
• M5: 2,189,664 km (0.112 R)
• M6: 3,241,636 km (0.085 R)
• M7: 3,724,837 km (0.099 R)
• M8: 4,436,624 km (0.111 R)
• M9: 4,967,248 km (0.086 R)
• M10: 6,104,790 km (0.077 R)
• M11: 6,573,480 km (0.071 R)
• M12: 7,178,903 km (0.036 R)
• M13: 8,374,489 km (0.066 R)
• M14: 9,423,020 km (0.078 R)
• M15: 10,014,530 km (0.12 R)
• M16: 10,704,625 km (0.083 R)
• M17: 12,383,712 km (0.059 R)
• M18: 12,798,098 km (0.05 R)
• M19: 13,742,360 km (0.026 R)
• M20: 15,292,194 km (0.098 R)
• M21: 16,207,433 km (0.103 R)
• M22: 16,804,030 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 9.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.86 AU - 2.96 AU

Year: 3256 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,965,063 km

• M1: 116,686 km (0.101 R)
• M2: 597,943 km (0.096 R)
• M3: 892,202 km (0.08 R)
• M4: 1,228,049 km (0.109 R)
• M5: 1,570,927 km (0.118 R)
• M6: 1,915,601 km (0.113 R)
• M7: 2,280,620 km (0.096 R)
• M8: 5,913,903 km (0.069 R)
• M9: 6,590,085 km (0.115 R)
• M10: 7,746,028 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.64 AU - 4.8 AU

Year: 5687 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,965,063 km

• M1: 166,652 km (0.104 R)
• M2: 586,124 km (0.067 R)
• M3: 1,263,504 km (0.114 R)
• M4: 2,251,598 km (0.094 R)
• M5: 4,714,278 km (0.085 R)
• M6: 5,434,143 km (0.102 R)
• M7: 6,598,463 km (0.105 R)
• M8: 8,483,246 km (0.097 R)
• M9: 9,728,798 km (0.083 R)
• M10: 10,897,457 km (0.086 R)
• M11: 11,541,177 km (0.05 R)
• M12: 14,906,680 km (0.106 R)
• M13: 15,391,826 km (0.077 R)
• M14: 17,640,132 km (0.111 R)
• M15: 18,528,444 km (0.048 R)
• M16: 20,246,576 km (0.099 R)
• M17: 21,068,616 km (0.116 R)
• M18: 23,261,571 km (0.105 R)
• M19: 30,749,543 km (0.063 R)
• M20: 32,036,085 km (0.06 R)
• M21: 32,845,409 km (0.088 R)
• M22: 33,772,168 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 3.3

Gravity: 90.06 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.5 AU - 7.86 AU

Year: 11326 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,965,063 km

• M1: 40,990 km (0.1 R)
• M2: 219,909 km (0.06 R)
• M3: 584,329 km (0.1 R)
• M4: 851,960 km (0.073 R)
• M5: 957,576 km (0.094 R)
• M6: 1,120,338 km (0.031 R)
• M7: 1,342,641 km (0.09 R)
• M8: 1,501,514 km (0.101 R)
• M9: 1,771,688 km (0.093 R)
• M10: 1,999,525 km (0.113 R)
• M11: 2,149,123 km (0.092 R)
• M12: 2,534,637 km (0.087 R)
• M13: 2,687,675 km (0.086 R)
• M14: 2,800,771 km (0.066 R)
• M15: 4,803,288 km (0.102 R)
• M16: 11,545,664 km (0.087 R)
• M17: 14,089,127 km (0.053 R)
• M18: 14,293,777 km (0.036 R)
• M19: 14,919,396 km (0.1 R)
• M20: 16,374,684 km (0.118 R)
• M21: 18,404,428 km (0.058 R)
• M22: 18,812,979 km (0.097 R)
• M23: 20,334,390 km (0.099 R)
• M24: 24,101,713 km (0.094 R)
• M25: 25,386,908 km (0.063 R)
• M26: 27,452,256 km (0.11 R)
• M27: 32,502,830 km (0.119 R)
• M28: 32,621,611 km (0.1 R)
• M29: 33,825,126 km (0.09 R)
• M30: 38,403,120 km (0.1 R)
• M31: 39,608,729 km (0.052 R)
• M32: 42,095,494 km (0.097 R)
• M33: 48,298,121 km (0.085 R)
• M34: 48,918,803 km (0.051 R)
• M35: 51,454,636 km (0.112 R)
• M36: 55,082,534 km (0.06 R)
• M37: 57,304,512 km (0.112 R)
• M38: 58,701,157 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.7

Radius: 4.7

Gravity: 18.95 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.7 AU - 9.28 AU

Year: 13447 Days

Day: 16.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,965,063 km

• M1: 59,690 km (0.108 R)
• M2: 225,444 km (0.107 R)
• M3: 387,309 km (0.086 R)
• M4: 645,216 km (0.028 R)
• M5: 1,421,928 km (0.066 R)
• M6: 1,821,204 km (0.112 R)
• M7: 3,912,284 km (0.094 R)
• M8: 4,509,329 km (0.089 R)
• M9: 5,567,135 km (0.119 R)
• M10: 9,766,647 km (0.11 R)
• M11: 10,538,272 km (0.079 R)
• M12: 11,572,742 km (0.107 R)
• M13: 16,108,699 km (0.073 R)
• M14: 19,473,903 km (0.08 R)
• M15: 20,362,365 km (0.111 R)
• M16: 23,639,605 km (0.057 R)
• M17: 24,003,876 km (0.101 R)
• M18: 34,603,334 km (0.119 R)
• M19: 44,541,569 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.3

Radius: 4

Gravity: 37.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.21 AU - 11.21 AU

Year: 21402 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,965,063 km

• M1: 49,966 km (0.116 R)
• M2: 276,457 km (0.09 R)
• M3: 442,810 km (0.102 R)
• M4: 703,708 km (0.087 R)
• M5: 836,252 km (0.098 R)
• M6: 1,788,742 km (0.092 R)
• M7: 2,377,709 km (0.12 R)
• M8: 2,679,896 km (0.052 R)
• M9: 3,276,792 km (0.092 R)
• M10: 3,711,074 km (0.09 R)
• M11: 4,085,219 km (0.092 R)
• M12: 5,167,858 km (0.069 R)
• M13: 6,255,585 km (0.1 R)
• M14: 7,248,017 km (0.112 R)
• M15: 8,657,079 km (0.119 R)
• M16: 9,653,551 km (0.105 R)
• M17: 10,419,043 km (0.089 R)
• M18: 10,601,403 km (0.117 R)
• M19: 10,909,874 km (0.071 R)
• M20: 11,034,937 km (0.092 R)
• M21: 11,674,618 km (0.1 R)
• M22: 12,888,006 km (0.049 R)
• M23: 17,112,201 km (0.027 R)
• M24: 18,055,117 km (0.096 R)
• M25: 18,494,934 km (0.098 R)
• M26: 19,671,970 km (0.081 R)
• M27: 21,578,894 km (0.11 R)
• M28: 26,877,651 km (0.11 R)
• M29: 28,859,823 km (0.086 R)
• M30: 30,687,909 km (0.1 R)
• M31: 32,591,691 km (0.099 R)
• M32: 36,772,802 km (0.073 R)
• M33: 39,651,813 km (0.106 R)
• M34: 40,543,865 km (0.115 R)
• M35: 41,601,522 km (0.098 R)
• M36: 49,868,001 km (0.098 R)
• M37: 57,068,895 km (0.059 R)
• M38: 57,446,181 km (0.114 R)
• M39: 64,319,006 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 15,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit