🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 8.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.74 AU - 0.8 AU

Year: 443 Days

Day: 13.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,758,055 km

• M1: 111,151 km (0.062 R)
• M2: 700,716 km (0.107 R)
• M3: 1,418,038 km (0.093 R)
• M4: 1,758,074 km (0.077 R)
• M5: 2,473,451 km (0.054 R)
• M6: 3,545,021 km (0.09 R)
• M7: 4,203,551 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 11.6

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.7 AU - 1.12 AU

Year: 569 Days

Day: 14.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,758,055 km

• M1: 144,362 km (0.065 R)
• M2: 516,113 km (0.063 R)
• M3: 1,399,039 km (0.093 R)
• M4: 1,834,519 km (0.035 R)
• M5: 2,698,746 km (0.097 R)
• M6: 3,143,051 km (0.071 R)
• M7: 3,887,600 km (0.053 R)
• M8: 4,583,978 km (0.058 R)
• M9: 6,069,036 km (0.103 R)
• M10: 6,587,991 km (0.099 R)
• M11: 7,136,417 km (0.056 R)
• M12: 7,601,517 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.6

Radius: 12.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.93 AU - 1.19 AU

Year: 716 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,758,055 km

• M1: 153,039 km (0.074 R)
• M2: 946,207 km (0.101 R)
• M3: 1,409,212 km (0.071 R)
• M4: 1,822,700 km (0.114 R)
• M5: 2,715,501 km (0.103 R)
• M6: 3,218,897 km (0.086 R)
• M7: 5,065,833 km (0.099 R)
• M8: 5,563,694 km (0.072 R)
• M9: 6,323,203 km (0.08 R)
• M10: 6,963,033 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.8

Radius: 12.5

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.92 AU - 2.22 AU

Year: 1954 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,758,055 km

• M1: 155,432 km (0.071 R)
• M2: 556,354 km (0.097 R)
• M3: 1,021,454 km (0.069 R)
• M4: 1,420,881 km (0.037 R)
• M5: 2,199,837 km (0.09 R)
• M6: 2,946,330 km (0.065 R)
• M7: 3,603,065 km (0.025 R)
• M8: 4,138,775 km (0.041 R)
• M9: 4,559,444 km (0.111 R)
• M10: 4,964,854 km (0.118 R)
• M11: 6,779,776 km (0.114 R)
• M12: 7,658,813 km (0.09 R)
• M13: 8,612,349 km (0.062 R)
• M14: 9,268,486 km (0.09 R)
• M15: 10,278,870 km (0.1 R)
• M16: 11,399,956 km (0.117 R)
• M17: 12,767,131 km (0.051 R)
• M18: 16,560,484 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 8.1

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.98 AU - 2.48 AU

Year: 2185 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,758,055 km

• M1: 101,577 km (0.027 R)
• M2: 360,082 km (0.117 R)
• M3: 961,615 km (0.114 R)
• M4: 1,395,000 km (0.078 R)
• M5: 1,826,740 km (0.076 R)
• M6: 2,252,495 km (0.083 R)
• M7: 2,713,257 km (0.089 R)
• M8: 3,006,169 km (0.085 R)
• M9: 3,302,971 km (0.082 R)
• M10: 3,841,673 km (0.082 R)
• M11: 5,302,646 km (0.06 R)
• M12: 6,987,567 km (0.102 R)
• M13: 7,752,012 km (0.082 R)
• M14: 8,345,168 km (0.113 R)
• M15: 9,069,371 km (0.11 R)
• M16: 10,123,438 km (0.087 R)
• M17: 10,870,230 km (0.046 R)
• M18: 12,264,632 km (0.116 R)
• M19: 12,557,096 km (0.076 R)
• M20: 13,819,253 km (0.077 R)
• M21: 15,598,420 km (0.071 R)
• M22: 16,041,230 km (0.118 R)
• M23: 17,210,786 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.3

Radius: 13.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.47 AU - 2.69 AU

Year: 2719 Days

Day: 9 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,758,055 km

• M1: 169,195 km (0.048 R)
• M2: 746,194 km (0.088 R)
• M3: 1,201,271 km (0.113 R)
• M4: 2,280,470 km (0.109 R)
• M5: 2,707,123 km (0.088 R)
• M6: 3,138,563 km (0.089 R)
• M7: 4,302,884 km (0.11 R)
• M8: 5,518,366 km (0.066 R)
• M9: 6,511,098 km (0.096 R)
• M10: 9,084,480 km (0.076 R)
• M11: 11,783,974 km (0.106 R)
• M12: 14,511,143 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 12.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.78 AU - 4.44 AU

Year: 4500 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,758,055 km

• M1: 151,692 km (0.092 R)
• M2: 654,042 km (0.115 R)
• M3: 1,196,633 km (0.115 R)
• M4: 1,947,615 km (0.107 R)
• M5: 2,333,128 km (0.089 R)
• M6: 4,048,717 km (0.082 R)
• M7: 4,552,712 km (0.111 R)
• M8: 7,391,182 km (0.073 R)
• M9: 7,921,506 km (0.073 R)
• M10: 8,679,369 km (0.069 R)
• M11: 9,234,527 km (0.052 R)
• M12: 10,531,989 km (0.109 R)
• M13: 11,530,705 km (0.062 R)
• M14: 14,615,114 km (0.081 R)
• M15: 15,005,115 km (0.116 R)
• M16: 16,165,247 km (0.063 R)
• M17: 16,688,091 km (0.076 R)
• M18: 17,988,695 km (0.088 R)
• M19: 18,950,011 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307

Radius: 5.8

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.07 AU - 6.21 AU

Year: 9981 Days

Day: 15 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,758,055 km

• M1: 73,153 km (0.12 R)
• M2: 590,313 km (0.071 R)
• M3: 892,052 km (0.086 R)
• M4: 1,270,236 km (0.059 R)
• M5: 1,586,635 km (0.073 R)
• M6: 1,792,182 km (0.079 R)
• M7: 2,839,368 km (0.051 R)
• M8: 3,315,837 km (0.111 R)
• M9: 4,979,515 km (0.071 R)
• M10: 6,424,481 km (0.047 R)
• M11: 6,914,713 km (0.108 R)
• M12: 7,890,839 km (0.06 R)
• M13: 8,453,028 km (0.1 R)
• M14: 8,913,041 km (0.111 R)
• M15: 10,679,493 km (0.066 R)
• M16: 11,118,114 km (0.091 R)
• M17: 13,213,531 km (0.105 R)
• M18: 14,237,229 km (0.055 R)
• M19: 14,471,649 km (0.117 R)
• M20: 18,582,300 km (0.065 R)
• M21: 18,792,036 km (0.102 R)
• M22: 21,434,682 km (0.081 R)
• M23: 25,329,762 km (0.116 R)
• M24: 34,274,069 km (0.118 R)
• M25: 34,695,486 km (0.117 R)
• M26: 35,872,073 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.9

Radius: 3.3

Gravity: 48.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.89 AU - 7.37 AU

Year: 12489 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,758,055 km

• M1: 66,122 km (0.08 R)
• M2: 265,237 km (0.025 R)
• M3: 844,779 km (0.089 R)
• M4: 1,030,430 km (0.077 R)
• M5: 1,306,588 km (0.113 R)
• M6: 1,644,978 km (0.118 R)
• M7: 1,917,994 km (0.025 R)
• M8: 3,197,505 km (0.074 R)
• M9: 5,911,809 km (0.057 R)
• M10: 6,243,318 km (0.108 R)
• M11: 8,636,734 km (0.051 R)
• M12: 13,178,974 km (0.12 R)
• M13: 16,521,888 km (0.116 R)
• M14: 16,884,214 km (0.032 R)
• M15: 18,698,238 km (0.09 R)
• M16: 18,933,705 km (0.056 R)
• M17: 19,895,619 km (0.076 R)
• M18: 20,637,924 km (0.095 R)
• M19: 21,916,088 km (0.118 R)
• M20: 24,254,752 km (0.083 R)
• M21: 25,967,797 km (0.05 R)
• M22: 36,848,499 km (0.028 R)
• M23: 37,466,787 km (0.071 R)
• M24: 47,297,012 km (0.047 R)
• M25: 49,359,967 km (0.108 R)
• M26: 49,509,565 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.4

Radius: 3.3

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.33 AU - 9.47 AU

Year: 15971 Days

Day: 20.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,758,055 km

• M1: 40,990 km (0.085 R)
• M2: 220,806 km (0.086 R)
• M3: 474,524 km (0.061 R)
• M4: 1,115,851 km (0.095 R)
• M5: 2,006,855 km (0.102 R)
• M6: 2,451,311 km (0.107 R)
• M7: 2,594,775 km (0.06 R)
• M8: 3,311,199 km (0.101 R)
• M9: 4,619,283 km (0.08 R)
• M10: 5,209,596 km (0.108 R)
• M11: 6,955,852 km (0.087 R)
• M12: 8,846,470 km (0.087 R)
• M13: 9,141,926 km (0.105 R)
• M14: 12,731,078 km (0.047 R)
• M15: 16,579,483 km (0.083 R)
• M16: 16,706,941 km (0.077 R)
• M17: 18,354,761 km (0.053 R)
• M18: 26,289,133 km (0.075 R)
• M19: 29,153,334 km (0.102 R)
• M20: 33,421,660 km (0.072 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: 523 - 11,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit