🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 11.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.56 AU - 0.74 AU

Year: 368 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,892,454 km

• M1: 144,212 km (0.111 R)
• M2: 611,107 km (0.079 R)
• M3: 1,040,304 km (0.093 R)
• M4: 1,407,118 km (0.089 R)
• M5: 1,781,112 km (0.12 R)
• M6: 2,591,634 km (0.086 R)
• M7: 3,730,522 km (0.046 R)
• M8: 4,229,880 km (0.098 R)
• M9: 4,788,329 km (0.072 R)
• M10: 5,316,708 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 9.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.77 AU - 0.83 AU

Year: 503 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,892,454 km

• M1: 123,269 km (0.074 R)
• M2: 431,291 km (0.084 R)
• M3: 875,746 km (0.104 R)
• M4: 1,377,497 km (0.079 R)
• M5: 1,859,502 km (0.063 R)
• M6: 2,320,113 km (0.066 R)
• M7: 2,855,674 km (0.094 R)
• M8: 3,164,743 km (0.049 R)
• M9: 4,814,359 km (0.056 R)
• M10: 5,670,657 km (0.102 R)
• M11: 6,072,626 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 9.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.28 AU - 1.96 AU

Year: 1449 Days

Day: 9.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,892,454 km

• M1: 117,135 km (0.091 R)
• M2: 439,818 km (0.109 R)
• M3: 907,161 km (0.098 R)
• M4: 1,345,184 km (0.117 R)
• M5: 1,820,456 km (0.057 R)
• M6: 2,173,657 km (0.094 R)
• M7: 2,527,007 km (0.058 R)
• M8: 3,096,975 km (0.051 R)
• M9: 3,433,870 km (0.096 R)
• M10: 3,870,396 km (0.043 R)
• M11: 4,732,229 km (0.098 R)
• M12: 5,330,322 km (0.086 R)
• M13: 5,917,045 km (0.114 R)
• M14: 7,012,699 km (0.105 R)
• M15: 7,335,980 km (0.052 R)
• M16: 7,913,279 km (0.037 R)
• M17: 9,049,923 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 12.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.57 AU - 2.59 AU

Year: 2109 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,892,454 km

• M1: 158,275 km (0.081 R)
• M2: 602,131 km (0.101 R)
• M3: 1,245,103 km (0.103 R)
• M4: 3,159,956 km (0.099 R)
• M5: 4,325,772 km (0.048 R)
• M6: 4,899,929 km (0.069 R)
• M7: 5,547,687 km (0.089 R)
• M8: 5,953,546 km (0.07 R)
• M9: 8,632,396 km (0.117 R)
• M10: 11,334,881 km (0.065 R)
• M11: 11,873,733 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 14.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.64 AU - 3.7 AU

Year: 3967 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,892,454 km

• M1: 178,321 km (0.115 R)
• M2: 720,912 km (0.06 R)
• M3: 1,324,988 km (0.065 R)
• M4: 2,307,398 km (0.113 R)
• M5: 3,111,636 km (0.114 R)
• M6: 4,230,329 km (0.082 R)
• M7: 4,945,556 km (0.109 R)
• M8: 5,684,719 km (0.039 R)
• M9: 6,931,019 km (0.038 R)
• M10: 8,829,566 km (0.067 R)
• M11: 9,599,396 km (0.099 R)
• M12: 11,406,389 km (0.106 R)
• M13: 12,414,230 km (0.075 R)
• M14: 13,183,911 km (0.094 R)
• M15: 20,598,729 km (0.119 R)
• M16: 23,657,407 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.7

Radius: 13.5

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.85 AU - 4.11 AU

Year: 4563 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,892,454 km

• M1: 168,896 km (0.085 R)
• M2: 734,526 km (0.116 R)
• M3: 1,369,269 km (0.108 R)
• M4: 1,840,503 km (0.072 R)
• M5: 2,485,868 km (0.112 R)
• M6: 3,065,859 km (0.103 R)
• M7: 3,606,655 km (0.101 R)
• M8: 4,163,907 km (0.096 R)
• M9: 4,778,306 km (0.093 R)
• M10: 5,230,091 km (0.116 R)
• M11: 7,229,317 km (0.114 R)
• M12: 7,719,250 km (0.045 R)
• M13: 8,231,473 km (0.119 R)
• M14: 8,884,019 km (0.12 R)
• M15: 10,868,884 km (0.091 R)
• M16: 11,513,501 km (0.082 R)
• M17: 12,828,915 km (0.119 R)
• M18: 18,323,196 km (0.113 R)
• M19: 20,665,300 km (0.076 R)
• M20: 21,156,580 km (0.101 R)
• M21: 21,583,981 km (0.112 R)
• M22: 22,529,739 km (0.075 R)
• M23: 23,655,163 km (0.07 R)
• M24: 24,582,221 km (0.053 R)
• M25: 26,180,824 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 11

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.88 AU - 4.6 AU

Year: 6137 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,892,454 km

• M1: 152,889 km (0.115 R)
• M2: 676,781 km (0.104 R)
• M3: 1,186,760 km (0.101 R)
• M4: 2,297,225 km (0.11 R)
• M5: 3,149,634 km (0.057 R)
• M6: 3,537,242 km (0.104 R)
• M7: 4,503,644 km (0.112 R)
• M8: 5,257,916 km (0.079 R)
• M9: 6,064,997 km (0.098 R)
• M10: 6,920,846 km (0.066 R)
• M11: 7,344,807 km (0.107 R)
• M12: 8,872,051 km (0.071 R)
• M13: 13,374,498 km (0.119 R)
• M14: 14,450,107 km (0.03 R)
• M15: 14,874,666 km (0.073 R)
• M16: 15,972,714 km (0.087 R)
• M17: 18,329,778 km (0.113 R)
• M18: 20,708,384 km (0.053 R)
• M19: 23,796,384 km (0.108 R)
• M20: 26,069,823 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.7

Radius: 7.4

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.62 AU - 6.9 AU

Year: 11010 Days

Day: 23.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,892,454 km

• M1: 92,003 km (0.087 R)
• M2: 330,611 km (0.106 R)
• M3: 634,594 km (0.087 R)
• M4: 1,073,514 km (0.102 R)
• M5: 1,715,888 km (0.062 R)
• M6: 2,032,736 km (0.077 R)
• M7: 2,516,087 km (0.068 R)
• M8: 2,865,547 km (0.102 R)
• M9: 6,463,825 km (0.082 R)
• M10: 9,136,540 km (0.063 R)
• M11: 10,444,475 km (0.084 R)
• M12: 11,766,770 km (0.106 R)
• M13: 13,894,800 km (0.083 R)
• M14: 14,252,788 km (0.095 R)
• M15: 15,174,759 km (0.035 R)
• M16: 18,037,464 km (0.1 R)
• M17: 21,796,260 km (0.065 R)
• M18: 22,688,163 km (0.104 R)
• M19: 23,351,928 km (0.032 R)
• M20: 26,682,575 km (0.114 R)
• M21: 26,958,284 km (0.085 R)
• M22: 28,941,653 km (0.103 R)
• M23: 32,669,632 km (0.098 R)
• M24: 38,902,029 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.6

Radius: 7.7

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.74 AU - 8.02 AU

Year: 12685 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,892,454 km

• M1: 95,743 km (0.091 R)
• M2: 729,439 km (0.066 R)
• M3: 1,004,400 km (0.105 R)
• M4: 1,274,275 km (0.081 R)
• M5: 1,621,791 km (0.072 R)
• M6: 2,031,838 km (0.074 R)
• M7: 2,649,977 km (0.096 R)
• M8: 3,014,397 km (0.073 R)
• M9: 3,843,917 km (0.108 R)
• M10: 4,142,515 km (0.061 R)
• M11: 6,017,724 km (0.118 R)
• M12: 6,803,861 km (0.106 R)
• M13: 7,201,492 km (0.111 R)
• M14: 9,573,067 km (0.034 R)
• M15: 9,870,767 km (0.086 R)
• M16: 10,225,912 km (0.115 R)
• M17: 11,069,644 km (0.081 R)
• M18: 12,246,530 km (0.108 R)
• M19: 13,258,560 km (0.116 R)
• M20: 15,112,078 km (0.114 R)
• M21: 16,914,882 km (0.102 R)
• M22: 17,868,119 km (0.101 R)
• M23: 18,856,662 km (0.109 R)
• M24: 22,735,585 km (0.115 R)
• M25: 24,168,882 km (0.099 R)
• M26: 30,187,055 km (0.099 R)
• M27: 30,613,259 km (0.118 R)
• M28: 34,054,609 km (0.051 R)
• M29: 34,516,567 km (0.112 R)
• M30: 46,473,775 km (0.101 R)
• M31: 48,629,331 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.7

Radius: 5.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.56 AU - 9.82 AU

Year: 18007 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,892,454 km

• M1: 67,618 km (0.115 R)
• M2: 468,541 km (0.081 R)
• M3: 1,449,304 km (0.102 R)
• M4: 1,779,616 km (0.091 R)
• M5: 2,290,643 km (0.104 R)
• M6: 4,411,192 km (0.109 R)
• M7: 5,220,517 km (0.112 R)
• M8: 6,091,775 km (0.096 R)
• M9: 7,128,638 km (0.101 R)
• M10: 7,612,587 km (0.087 R)
• M11: 8,812,661 km (0.091 R)
• M12: 9,109,762 km (0.045 R)
• M13: 12,513,114 km (0.031 R)
• M14: 12,726,740 km (0.119 R)
• M15: 13,216,523 km (0.07 R)
• M16: 13,662,175 km (0.12 R)
• M17: 14,466,264 km (0.114 R)
• M18: 14,642,640 km (0.065 R)
• M19: 16,807,171 km (0.102 R)
• M20: 18,409,065 km (0.074 R)
• M21: 20,477,106 km (0.1 R)
• M22: 22,853,618 km (0.11 R)
• M23: 25,407,702 km (0.079 R)
• M24: 27,691,613 km (0.096 R)
• M25: 28,054,687 km (0.114 R)
• M26: 35,145,327 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 18,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit