🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 8.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.76 AU - 1.04 AU

Year: 560 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,312,300 km

• M1: 103,223 km (0.117 R)
• M2: 364,869 km (0.052 R)
• M3: 625,768 km (0.107 R)
• M4: 906,114 km (0.111 R)
• M5: 1,257,520 km (0.088 R)
• M6: 1,792,482 km (0.118 R)
• M7: 2,701,438 km (0.072 R)
• M8: 3,311,498 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 8.1

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.97 AU - 1.15 AU

Year: 716 Days

Day: 6.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,312,300 km

• M1: 100,829 km (0.071 R)
• M2: 928,105 km (0.106 R)
• M3: 1,576,462 km (0.107 R)
• M4: 2,190,562 km (0.117 R)
• M5: 3,439,853 km (0.074 R)
• M6: 4,069,062 km (0.101 R)
• M7: 4,635,888 km (0.047 R)
• M8: 5,593,165 km (0.091 R)
• M9: 6,027,149 km (0.102 R)
• M10: 6,698,245 km (0.105 R)
• M11: 7,029,454 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 12.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.1 AU - 1.18 AU

Year: 798 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,312,300 km

• M1: 164,109 km (0.111 R)
• M2: 836,701 km (0.082 R)
• M3: 2,035,578 km (0.114 R)
• M4: 2,684,983 km (0.098 R)
• M5: 3,583,617 km (0.096 R)
• M6: 4,415,531 km (0.086 R)
• M7: 5,509,989 km (0.088 R)
• M8: 6,290,441 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 8.7

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.25 AU - 1.55 AU

Year: 1087 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,312,300 km

• M1: 108,758 km (0.094 R)
• M2: 496,216 km (0.106 R)
• M3: 902,374 km (0.079 R)
• M4: 1,339,799 km (0.065 R)
• M5: 1,742,965 km (0.051 R)
• M6: 2,582,807 km (0.046 R)
• M7: 2,978,194 km (0.119 R)
• M8: 3,939,660 km (0.045 R)
• M9: 4,273,562 km (0.076 R)
• M10: 4,866,120 km (0.094 R)
• M11: 5,270,931 km (0.06 R)
• M12: 5,761,014 km (0.09 R)
• M13: 6,038,967 km (0.056 R)
• M14: 6,621,950 km (0.087 R)
• M15: 6,951,065 km (0.061 R)
• M16: 7,365,451 km (0.1 R)
• M17: 7,847,904 km (0.096 R)
• M18: 8,819,991 km (0.06 R)
• M19: 9,364,378 km (0.087 R)
• M20: 9,779,662 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 13

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.51 AU - 1.55 AU

Year: 1241 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,312,300 km

• M1: 161,865 km (0.108 R)
• M2: 734,825 km (0.046 R)
• M3: 1,303,895 km (0.102 R)
• M4: 2,297,075 km (0.053 R)
• M5: 3,075,134 km (0.11 R)

Asteroid Belt

Center: 1.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 12

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.31 AU - 2.37 AU

Year: 2348 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,312,300 km

• M1: 257,308 km (0.1 R)
• M2: 883,974 km (0.055 R)
• M3: 1,494,333 km (0.116 R)
• M4: 2,769,954 km (0.058 R)
• M5: 3,268,713 km (0.061 R)
• M6: 4,764,842 km (0.085 R)
• M7: 5,464,062 km (0.116 R)
• M8: 5,849,726 km (0.112 R)
• M9: 8,993,974 km (0.044 R)
• M10: 10,158,294 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 13.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.75 AU - 2.77 AU

Year: 3008 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,312,300 km

• M1: 165,455 km (0.093 R)
• M2: 665,860 km (0.109 R)
• M3: 1,345,483 km (0.069 R)
• M4: 2,077,765 km (0.076 R)
• M5: 2,688,872 km (0.094 R)
• M6: 3,644,204 km (0.1 R)
• M7: 4,126,956 km (0.05 R)
• M8: 4,675,532 km (0.085 R)
• M9: 5,222,761 km (0.102 R)
• M10: 5,786,146 km (0.114 R)
• M11: 6,736,691 km (0.106 R)
• M12: 9,309,176 km (0.105 R)
• M13: 11,019,678 km (0.059 R)
• M14: 11,436,009 km (0.072 R)
• M15: 12,080,327 km (0.091 R)
• M16: 13,022,943 km (0.072 R)
• M17: 13,678,033 km (0.108 R)
• M18: 15,003,918 km (0.116 R)
• M19: 15,619,962 km (0.107 R)
• M20: 18,139,340 km (0.119 R)
• M21: 18,720,977 km (0.118 R)
• M22: 19,435,307 km (0.111 R)
• M23: 20,167,738 km (0.096 R)
• M24: 21,109,157 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 12.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.74 AU - 5.02 AU

Year: 6013 Days

Day: 10.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,312,300 km

• M1: 159,471 km (0.095 R)
• M2: 661,522 km (0.106 R)
• M3: 1,204,861 km (0.11 R)
• M4: 1,969,007 km (0.078 R)
• M5: 2,692,313 km (0.082 R)
• M6: 3,564,169 km (0.069 R)
• M7: 4,078,636 km (0.108 R)
• M8: 4,696,476 km (0.058 R)
• M9: 6,152,811 km (0.119 R)
• M10: 7,587,155 km (0.067 R)
• M11: 9,537,313 km (0.111 R)
• M12: 10,394,808 km (0.108 R)
• M13: 11,205,030 km (0.097 R)
• M14: 12,951,585 km (0.1 R)
• M15: 13,442,715 km (0.088 R)
• M16: 14,117,102 km (0.099 R)
• M17: 16,592,797 km (0.094 R)
• M18: 17,107,713 km (0.093 R)
• M19: 18,578,709 km (0.09 R)
• M20: 19,771,902 km (0.083 R)
• M21: 20,570,904 km (0.08 R)
• M22: 21,618,687 km (0.068 R)
• M23: 22,155,893 km (0.077 R)
• M24: 23,739,686 km (0.081 R)
• M25: 24,229,170 km (0.064 R)
• M26: 25,567,622 km (0.109 R)
• M27: 26,691,102 km (0.101 R)
• M28: 30,834,515 km (0.073 R)
• M29: 31,810,342 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 8.1

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.84 AU - 5.34 AU

Year: 6451 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,312,300 km

• M1: 106,962 km (0.077 R)
• M2: 477,068 km (0.117 R)
• M3: 1,262,008 km (0.106 R)
• M4: 1,589,178 km (0.107 R)
• M5: 2,097,811 km (0.071 R)
• M6: 2,635,017 km (0.091 R)
• M7: 3,111,636 km (0.099 R)
• M8: 3,437,759 km (0.108 R)
• M9: 4,977,869 km (0.112 R)
• M10: 7,003,724 km (0.066 R)
• M11: 7,878,273 km (0.116 R)
• M12: 8,362,521 km (0.104 R)
• M13: 8,696,423 km (0.105 R)
• M14: 8,995,619 km (0.1 R)
• M15: 11,287,608 km (0.096 R)
• M16: 13,827,182 km (0.062 R)
• M17: 15,384,196 km (0.064 R)
• M18: 19,056,824 km (0.119 R)
• M19: 24,103,807 km (0.075 R)
• M20: 31,055,172 km (0.069 R)
• M21: 35,092,519 km (0.104 R)
• M22: 36,071,487 km (0.052 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.9

Radius: 9.7

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.27 AU - 5.49 AU

Year: 7072 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,312,300 km

• M1: 121,324 km (0.081 R)
• M2: 518,656 km (0.115 R)
• M3: 977,323 km (0.108 R)
• M4: 1,347,727 km (0.099 R)
• M5: 1,669,213 km (0.106 R)
• M6: 2,140,147 km (0.063 R)
• M7: 3,282,776 km (0.108 R)
• M8: 3,726,034 km (0.109 R)
• M9: 6,081,153 km (0.107 R)
• M10: 6,973,954 km (0.106 R)
• M11: 8,074,695 km (0.074 R)
• M12: 8,409,644 km (0.111 R)
• M13: 9,287,634 km (0.097 R)
• M14: 9,748,994 km (0.085 R)
• M15: 14,431,856 km (0.063 R)
• M16: 15,367,591 km (0.074 R)
• M17: 15,882,956 km (0.052 R)
• M18: 17,290,671 km (0.116 R)
• M19: 20,046,563 km (0.065 R)
• M20: 20,429,684 km (0.103 R)
• M21: 21,053,058 km (0.076 R)
• M22: 22,999,027 km (0.106 R)
• M23: 23,844,105 km (0.079 R)
• M24: 27,339,160 km (0.064 R)
• M25: 28,000,682 km (0.062 R)
• M26: 28,383,503 km (0.117 R)
• M27: 30,249,587 km (0.1 R)
• M28: 32,827,757 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 16,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit