🌌 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: 675.6

Radius: 8.5

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.73 AU - 0.91 AU

Year: 522 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,551,467 km

• M1: 105,766 km (0.109 R)
• M2: 446,101 km (0.095 R)
• M3: 727,494 km (0.073 R)
• M4: 1,006,644 km (0.075 R)
• M5: 1,313,769 km (0.032 R)
• M6: 1,849,179 km (0.111 R)
• M7: 2,158,697 km (0.108 R)
• M8: 2,709,666 km (0.11 R)
• M9: 3,053,293 km (0.061 R)
• M10: 3,438,357 km (0.115 R)
• M11: 4,886,465 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 12.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.9 AU - 1.08 AU

Year: 692 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,551,467 km

• M1: 151,543 km (0.093 R)
• M2: 753,225 km (0.118 R)
• M3: 1,170,005 km (0.091 R)
• M4: 1,564,794 km (0.064 R)
• M5: 1,961,378 km (0.036 R)
• M6: 2,511,748 km (0.072 R)
• M7: 3,012,901 km (0.118 R)
• M8: 3,613,836 km (0.069 R)
• M9: 4,131,444 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 11.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.88 AU - 1.3 AU

Year: 800 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,551,467 km

• M1: 146,756 km (0.096 R)
• M2: 655,239 km (0.096 R)
• M3: 1,398,441 km (0.067 R)
• M4: 1,828,086 km (0.068 R)
• M5: 2,265,211 km (0.066 R)
• M6: 2,877,665 km (0.109 R)
• M7: 5,215,879 km (0.054 R)
• M8: 6,747,313 km (0.049 R)
• M9: 7,616,925 km (0.073 R)
• M10: 8,018,745 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 8.1

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.7 AU

Year: 1409 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,551,467 km

• M1: 100,679 km (0.098 R)
• M2: 453,431 km (0.119 R)
• M3: 720,015 km (0.063 R)
• M4: 1,220,719 km (0.066 R)
• M5: 1,528,292 km (0.099 R)
• M6: 1,907,373 km (0.104 R)
• M7: 2,371,575 km (0.117 R)
• M8: 2,700,092 km (0.073 R)
• M9: 2,976,549 km (0.096 R)
• M10: 4,454,725 km (0.118 R)
• M11: 4,710,687 km (0.079 R)
• M12: 5,054,463 km (0.069 R)
• M13: 5,312,968 km (0.091 R)
• M14: 5,580,449 km (0.114 R)
• M15: 6,120,049 km (0.09 R)
• M16: 6,483,422 km (0.099 R)
• M17: 7,531,804 km (0.08 R)
• M18: 8,245,236 km (0.074 R)
• M19: 9,324,884 km (0.099 R)
• M20: 10,819,666 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 13.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.07 AU - 2.71 AU

Year: 2597 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,551,467 km

• M1: 167,699 km (0.067 R)
• M2: 650,601 km (0.093 R)
• M3: 1,068,278 km (0.087 R)
• M4: 1,776,774 km (0.091 R)
• M5: 2,799,874 km (0.119 R)
• M6: 3,343,064 km (0.105 R)
• M7: 4,290,467 km (0.06 R)
• M8: 4,781,298 km (0.103 R)
• M9: 6,258,427 km (0.113 R)
• M10: 7,224,829 km (0.1 R)
• M11: 8,595,744 km (0.071 R)
• M12: 10,407,075 km (0.118 R)
• M13: 11,173,764 km (0.104 R)
• M14: 12,371,894 km (0.059 R)
• M15: 13,940,128 km (0.118 R)
• M16: 17,079,888 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 8.2

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.28 AU - 3.74 AU

Year: 4622 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,551,467 km

• M1: 102,624 km (0.086 R)
• M2: 621,430 km (0.061 R)
• M3: 1,041,351 km (0.114 R)
• M4: 1,408,913 km (0.066 R)
• M5: 1,902,436 km (0.117 R)
• M6: 2,376,362 km (0.102 R)
• M7: 3,954,470 km (0.096 R)
• M8: 5,096,201 km (0.062 R)
• M9: 5,371,012 km (0.103 R)
• M10: 7,030,651 km (0.093 R)
• M11: 10,122,241 km (0.074 R)
• M12: 11,701,695 km (0.06 R)
• M13: 13,386,915 km (0.093 R)
• M14: 14,233,639 km (0.105 R)
• M15: 14,505,309 km (0.066 R)
• M16: 15,569,847 km (0.095 R)
• M17: 21,045,578 km (0.104 R)
• M18: 24,134,624 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 11.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.79 AU - 6.07 AU

Year: 8894 Days

Day: 6.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,551,467 km

• M1: 150,346 km (0.066 R)
• M2: 663,915 km (0.075 R)
• M3: 1,104,182 km (0.096 R)
• M4: 1,725,761 km (0.111 R)
• M5: 2,117,857 km (0.091 R)
• M6: 3,950,132 km (0.053 R)
• M7: 4,699,019 km (0.098 R)
• M8: 6,928,625 km (0.113 R)
• M9: 7,891,288 km (0.1 R)
• M10: 9,263,998 km (0.102 R)
• M11: 11,914,573 km (0.11 R)
• M12: 13,115,844 km (0.091 R)
• M13: 13,594,258 km (0.058 R)
• M14: 14,522,512 km (0.088 R)
• M15: 15,099,362 km (0.071 R)
• M16: 16,367,503 km (0.12 R)
• M17: 18,142,781 km (0.102 R)
• M18: 21,326,523 km (0.045 R)
• M19: 22,240,267 km (0.104 R)
• M20: 23,093,423 km (0.115 R)
• M21: 23,879,859 km (0.094 R)
• M22: 24,235,005 km (0.098 R)
• M23: 25,506,138 km (0.068 R)
• M24: 27,301,611 km (0.043 R)
• M25: 30,409,507 km (0.071 R)
• M26: 34,531,826 km (0.119 R)
• M27: 35,100,597 km (0.118 R)
• M28: 41,647,449 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.5

Radius: 3.8

Gravity: 28.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5 AU - 6.2 AU

Year: 9315 Days

Day: 16.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,551,467 km

• M1: 47,273 km (0.071 R)
• M2: 187,147 km (0.101 R)
• M3: 401,969 km (0.092 R)
• M4: 744,100 km (0.082 R)
• M5: 1,256,024 km (0.109 R)
• M6: 1,374,505 km (0.083 R)
• M7: 1,956,441 km (0.107 R)
• M8: 2,337,168 km (0.114 R)
• M9: 2,687,526 km (0.046 R)
• M10: 3,135,721 km (0.108 R)
• M11: 3,727,680 km (0.117 R)
• M12: 4,024,632 km (0.116 R)
• M13: 4,390,698 km (0.118 R)
• M14: 4,835,901 km (0.055 R)
• M15: 5,010,332 km (0.109 R)
• M16: 6,214,595 km (0.088 R)
• M17: 9,717,878 km (0.115 R)
• M18: 11,060,967 km (0.113 R)
• M19: 12,577,441 km (0.1 R)
• M20: 13,585,431 km (0.096 R)
• M21: 13,758,516 km (0.116 R)
• M22: 14,050,232 km (0.087 R)
• M23: 15,258,384 km (0.071 R)
• M24: 16,144,303 km (0.095 R)
• M25: 17,741,859 km (0.052 R)
• M26: 23,408,028 km (0.065 R)
• M27: 24,927,493 km (0.118 R)
• M28: 27,511,647 km (0.119 R)
• M29: 29,106,510 km (0.084 R)
• M30: 29,394,336 km (0.098 R)
• M31: 33,204,594 km (0.093 R)
• M32: 36,993,609 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.9

Radius: 4.3

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.03 AU - 10.05 AU

Year: 17543 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 51,551,467 km

• M1: 57,595 km (0.091 R)
• M2: 530,324 km (0.1 R)
• M3: 680,072 km (0.089 R)
• M4: 1,000,959 km (0.116 R)
• M5: 1,148,014 km (0.092 R)
• M6: 1,457,831 km (0.081 R)
• M7: 1,709,455 km (0.106 R)
• M8: 2,077,615 km (0.113 R)
• M9: 2,318,767 km (0.103 R)
• M10: 2,557,675 km (0.066 R)
• M11: 2,901,600 km (0.072 R)
• M12: 3,227,275 km (0.089 R)
• M13: 4,292,412 km (0.116 R)
• M14: 4,622,125 km (0.059 R)
• M15: 5,713,292 km (0.115 R)
• M16: 6,607,289 km (0.031 R)
• M17: 7,294,542 km (0.105 R)
• M18: 7,720,297 km (0.069 R)
• M19: 8,668,299 km (0.119 R)
• M20: 11,457,402 km (0.081 R)
• M21: 11,973,963 km (0.096 R)
• M22: 14,657,899 km (0.116 R)
• M23: 16,678,517 km (0.113 R)
• M24: 17,044,733 km (0.102 R)
• M25: 22,393,156 km (0.107 R)
• M26: 23,472,504 km (0.071 R)
• M27: 28,240,637 km (0.081 R)
• M28: 28,656,071 km (0.048 R)
• M29: 29,927,204 km (0.045 R)
• M30: 30,685,665 km (0.114 R)
• M31: 31,345,990 km (0.115 R)
• M32: 38,605,526 km (0.085 R)
• M33: 40,811,795 km (0.072 R)
• M34: 42,283,090 km (0.117 R)
• M35: 43,513,084 km (0.117 R)
• M36: 44,766,714 km (0.117 R)
• M37: 45,758,099 km (0.102 R)
• M38: 47,345,632 km (0.045 R)
• M39: 48,374,715 km (0.049 R)
• M40: 50,477,613 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 13,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit