🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.3

Radius: 14.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.13 AU - 1.55 AU

Year: 1002 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,272,936 km

• M1: 177,872 km (0.084 R)
• M2: 817,403 km (0.116 R)
• M3: 1,553,723 km (0.085 R)
• M4: 2,456,397 km (0.119 R)
• M5: 2,940,496 km (0.088 R)
• M6: 3,859,775 km (0.107 R)
• M7: 5,020,654 km (0.119 R)
• M8: 5,620,392 km (0.11 R)
• M9: 8,267,227 km (0.101 R)
• M10: 8,820,440 km (0.117 R)
• M11: 10,218,582 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.6

Radius: 10.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.34 AU - 1.56 AU

Year: 1127 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,272,936 km

• M1: 134,339 km (0.084 R)
• M2: 480,508 km (0.088 R)
• M3: 824,883 km (0.094 R)
• M4: 1,163,123 km (0.119 R)
• M5: 1,511,836 km (0.08 R)
• M6: 2,192,207 km (0.12 R)
• M7: 2,609,585 km (0.088 R)
• M8: 2,957,251 km (0.088 R)
• M9: 3,335,883 km (0.079 R)
• M10: 4,056,645 km (0.105 R)
• M11: 5,849,726 km (0.074 R)
• M12: 7,594,186 km (0.061 R)
• M13: 9,215,079 km (0.116 R)
• M14: 11,423,742 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 13.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.44 AU - 3.46 AU

Year: 3272 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,272,936 km

• M1: 168,746 km (0.072 R)
• M2: 672,592 km (0.116 R)
• M3: 1,100,741 km (0.101 R)
• M4: 3,046,261 km (0.077 R)
• M5: 4,247,532 km (0.119 R)
• M6: 6,891,076 km (0.094 R)
• M7: 8,980,360 km (0.067 R)
• M8: 10,682,934 km (0.109 R)
• M9: 11,379,162 km (0.047 R)
• M10: 12,324,770 km (0.092 R)
• M11: 15,120,455 km (0.068 R)
• M12: 15,581,217 km (0.118 R)
• M13: 16,316,789 km (0.073 R)
• M14: 17,407,507 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.9

Radius: 14.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.44 AU - 5.16 AU

Year: 5757 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 137.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,272,936 km

• M1: 177,872 km (0.112 R)
• M2: 934,089 km (0.065 R)
• M3: 1,394,701 km (0.1 R)
• M4: 2,112,621 km (0.093 R)
• M5: 2,652,071 km (0.096 R)
• M6: 3,106,998 km (0.112 R)
• M7: 4,177,371 km (0.071 R)
• M8: 5,367,871 km (0.112 R)
• M9: 5,831,475 km (0.118 R)
• M10: 6,740,730 km (0.119 R)
• M11: 7,421,550 km (0.11 R)
• M12: 7,998,849 km (0.081 R)
• M13: 9,532,676 km (0.09 R)
• M14: 10,704,476 km (0.087 R)
• M15: 13,176,880 km (0.041 R)
• M16: 13,703,165 km (0.084 R)
• M17: 14,353,168 km (0.1 R)
• M18: 14,797,773 km (0.119 R)
• M19: 15,482,033 km (0.078 R)
• M20: 16,307,065 km (0.027 R)
• M21: 19,292,441 km (0.111 R)
• M22: 20,109,694 km (0.079 R)
• M23: 24,388,642 km (0.06 R)
• M24: 26,077,153 km (0.12 R)
• M25: 28,974,415 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 9

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.18 AU - 6.72 AU

Year: 8215 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,272,936 km

• M1: 112,348 km (0.063 R)
• M2: 569,220 km (0.117 R)
• M3: 1,113,457 km (0.068 R)
• M4: 1,634,506 km (0.087 R)
• M5: 2,206,269 km (0.097 R)
• M6: 2,586,697 km (0.064 R)
• M7: 4,826,775 km (0.106 R)
• M8: 5,127,018 km (0.101 R)
• M9: 6,103,593 km (0.026 R)
• M10: 6,527,254 km (0.118 R)
• M11: 7,552,299 km (0.062 R)
• M12: 9,081,488 km (0.111 R)
• M13: 9,871,215 km (0.071 R)
• M14: 11,533,697 km (0.06 R)
• M15: 14,212,396 km (0.113 R)
• M16: 17,003,444 km (0.057 R)
• M17: 18,563,899 km (0.061 R)
• M18: 19,378,908 km (0.078 R)
• M19: 22,963,124 km (0.098 R)
• M20: 23,729,513 km (0.094 R)
• M21: 24,249,815 km (0.092 R)
• M22: 27,343,200 km (0.11 R)
• M23: 27,819,220 km (0.035 R)
• M24: 28,494,954 km (0.075 R)
• M25: 29,678,871 km (0.119 R)
• M26: 31,724,323 km (0.099 R)
• M27: 41,721,500 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.1

Radius: 6.1

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.04 AU - 6.26 AU

Year: 9848 Days

Day: 24.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,272,936 km

• M1: 76,295 km (0.059 R)
• M2: 375,640 km (0.104 R)
• M3: 820,694 km (0.107 R)
• M4: 1,158,636 km (0.058 R)
• M5: 1,360,443 km (0.071 R)
• M6: 2,306,350 km (0.117 R)
• M7: 2,981,486 km (0.09 R)
• M8: 4,313,056 km (0.111 R)
• M9: 4,626,464 km (0.118 R)
• M10: 4,833,806 km (0.089 R)
• M11: 5,625,179 km (0.094 R)
• M12: 6,069,485 km (0.11 R)
• M13: 6,390,372 km (0.091 R)
• M14: 6,610,730 km (0.105 R)
• M15: 7,872,289 km (0.063 R)
• M16: 10,402,438 km (0.092 R)
• M17: 11,282,671 km (0.061 R)
• M18: 12,666,003 km (0.111 R)
• M19: 17,417,231 km (0.073 R)
• M20: 20,185,989 km (0.119 R)
• M21: 20,740,997 km (0.101 R)
• M22: 22,806,046 km (0.077 R)
• M23: 25,185,998 km (0.043 R)
• M24: 26,956,788 km (0.094 R)
• M25: 28,215,056 km (0.067 R)
• M26: 28,510,961 km (0.107 R)
• M27: 30,123,925 km (0.082 R)
• M28: 30,536,516 km (0.086 R)
• M29: 37,660,067 km (0.078 R)
• M30: 38,138,930 km (0.105 R)
• M31: 39,599,604 km (0.095 R)
• M32: 41,859,878 km (0.076 R)
• M33: 42,116,289 km (0.086 R)
• M34: 42,373,597 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.9

Radius: 7.9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.67 AU - 7.79 AU

Year: 10040 Days

Day: 20.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,272,936 km

• M1: 99,483 km (0.051 R)
• M2: 568,771 km (0.113 R)
• M3: 1,300,155 km (0.092 R)
• M4: 2,493,497 km (0.09 R)
• M5: 4,073,700 km (0.111 R)
• M6: 4,519,202 km (0.065 R)
• M7: 6,898,556 km (0.077 R)
• M8: 8,421,463 km (0.068 R)
• M9: 10,407,673 km (0.065 R)
• M10: 11,081,013 km (0.085 R)
• M11: 12,687,246 km (0.096 R)
• M12: 13,943,120 km (0.085 R)
• M13: 17,121,925 km (0.096 R)
• M14: 18,206,659 km (0.111 R)
• M15: 29,596,742 km (0.032 R)
• M16: 42,455,726 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.1

Radius: 6

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.07 AU - 8.15 AU

Year: 10973 Days

Day: 21.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,272,936 km

• M1: 82,428 km (0.107 R)
• M2: 394,938 km (0.109 R)
• M3: 661,073 km (0.093 R)
• M4: 989,740 km (0.115 R)
• M5: 1,836,613 km (0.077 R)
• M6: 2,081,355 km (0.116 R)
• M7: 3,568,508 km (0.096 R)
• M8: 4,241,399 km (0.108 R)
• M9: 4,831,263 km (0.028 R)
• M10: 5,725,410 km (0.058 R)
• M11: 6,564,055 km (0.048 R)
• M12: 7,835,936 km (0.108 R)
• M13: 8,965,550 km (0.118 R)
• M14: 10,039,513 km (0.113 R)
• M15: 11,426,734 km (0.088 R)
• M16: 11,837,081 km (0.079 R)
• M17: 12,440,110 km (0.105 R)
• M18: 14,575,919 km (0.117 R)
• M19: 15,198,396 km (0.062 R)
• M20: 17,710,144 km (0.044 R)
• M21: 18,101,492 km (0.074 R)
• M22: 19,808,104 km (0.08 R)
• M23: 20,314,792 km (0.117 R)
• M24: 22,428,311 km (0.078 R)
• M25: 22,794,228 km (0.066 R)
• M26: 23,821,217 km (0.072 R)
• M27: 26,983,417 km (0.071 R)
• M28: 31,429,765 km (0.062 R)
• M29: 38,911,902 km (0.031 R)
• M30: 40,646,639 km (0.063 R)
• M31: 43,132,656 km (0.118 R)
• M32: 45,718,456 km (0.098 R)
• M33: 46,306,674 km (0.115 R)
• M34: 49,787,817 km (0.116 R)
• M35: 54,915,733 km (0.039 R)
• M36: 55,914,747 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.9

Radius: 7.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 10.43 AU - 10.81 AU

Year: 22346 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 122.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,272,936 km

• M1: 88,412 km (0.056 R)
• M2: 497,712 km (0.069 R)
• M3: 735,722 km (0.047 R)
• M4: 1,164,470 km (0.095 R)
• M5: 1,657,844 km (0.085 R)
• M6: 2,723,280 km (0.117 R)
• M7: 3,339,623 km (0.068 R)
• M8: 4,448,442 km (0.086 R)
• M9: 4,752,425 km (0.036 R)
• M10: 7,368,593 km (0.115 R)
• M11: 9,972,044 km (0.082 R)
• M12: 12,765,336 km (0.103 R)
• M13: 13,505,995 km (0.113 R)
• M14: 13,759,264 km (0.087 R)
• M15: 14,080,152 km (0.097 R)
• M16: 14,537,771 km (0.037 R)
• M17: 15,276,935 km (0.095 R)
• M18: 16,976,067 km (0.033 R)
• M19: 23,913,968 km (0.038 R)
• M20: 28,001,281 km (0.044 R)
• M21: 29,143,909 km (0.119 R)
• M22: 31,411,215 km (0.114 R)
• M23: 35,327,088 km (0.107 R)
• M24: 37,277,695 km (0.094 R)
• M25: 41,792,559 km (0.073 R)
• M26: 45,090,743 km (0.104 R)
• M27: 48,706,673 km (0.075 R)
• M28: 49,004,074 km (0.097 R)
• M29: 49,602,316 km (0.073 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: 468 - 18,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit