🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.8

Radius: 8

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.7 AU - 0.88 AU

Year: 476 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,957,664 km

• M1: 99,483 km (0.068 R)
• M2: 384,616 km (0.056 R)
• M3: 1,075,459 km (0.096 R)
• M4: 1,399,787 km (0.055 R)
• M5: 1,651,710 km (0.118 R)
• M6: 1,942,678 km (0.117 R)
• M7: 2,743,625 km (0.063 R)
• M8: 3,166,089 km (0.09 R)
• M9: 3,880,868 km (0.095 R)
• M10: 4,699,019 km (0.12 R)
• M11: 5,189,700 km (0.117 R)
• M12: 5,661,831 km (0.101 R)
• M13: 6,034,479 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 14.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.67 AU - 0.99 AU

Year: 513 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,957,664 km

• M1: 180,415 km (0.088 R)
• M2: 849,118 km (0.052 R)
• M3: 1,484,908 km (0.037 R)
• M4: 2,224,371 km (0.056 R)
• M5: 2,675,708 km (0.026 R)
• M6: 3,701,949 km (0.11 R)
• M7: 4,255,611 km (0.06 R)
• M8: 4,738,213 km (0.102 R)
• M9: 5,513,729 km (0.058 R)
• M10: 5,996,631 km (0.079 R)
• M11: 6,645,137 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 8.7

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.81 AU - 1.05 AU

Year: 608 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,957,664 km

• M1: 108,159 km (0.098 R)
• M2: 395,088 km (0.053 R)
• M3: 714,629 km (0.083 R)
• M4: 995,873 km (0.066 R)
• M5: 1,421,479 km (0.058 R)
• M6: 3,232,361 km (0.095 R)
• M7: 3,832,398 km (0.118 R)
• M8: 4,959,618 km (0.051 R)
• M9: 5,380,587 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 14.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.03 AU - 1.27 AU

Year: 836 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,957,664 km

• M1: 176,675 km (0.07 R)
• M2: 796,758 km (0.096 R)
• M3: 1,356,254 km (0.047 R)
• M4: 1,852,470 km (0.082 R)
• M5: 2,308,744 km (0.073 R)
• M6: 2,976,399 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 14.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.22 AU - 1.42 AU

Year: 1029 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,957,664 km

• M1: 179,218 km (0.1 R)
• M2: 662,868 km (0.1 R)
• M3: 1,292,226 km (0.115 R)
• M4: 2,121,148 km (0.079 R)
• M5: 2,590,886 km (0.094 R)
• M6: 3,158,310 km (0.072 R)
• M7: 3,745,781 km (0.089 R)
• M8: 4,216,715 km (0.108 R)
• M9: 5,065,234 km (0.12 R)
• M10: 6,675,506 km (0.088 R)
• M11: 7,675,268 km (0.092 R)
• M12: 8,224,891 km (0.11 R)
• M13: 10,723,475 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 11.2

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.69 AU - 3.21 AU

Year: 3437 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,957,664 km

• M1: 139,276 km (0.11 R)
• M2: 540,048 km (0.098 R)
• M3: 974,181 km (0.032 R)
• M4: 1,381,237 km (0.055 R)
• M5: 1,825,992 km (0.043 R)
• M6: 2,886,790 km (0.091 R)
• M7: 4,698,869 km (0.111 R)
• M8: 5,205,108 km (0.113 R)
• M9: 6,208,162 km (0.103 R)
• M10: 6,631,374 km (0.101 R)
• M11: 7,774,601 km (0.115 R)
• M12: 9,082,984 km (0.113 R)
• M13: 10,961,634 km (0.082 R)
• M14: 11,626,896 km (0.12 R)
• M15: 13,234,176 km (0.079 R)
• M16: 13,835,409 km (0.119 R)
• M17: 15,092,480 km (0.067 R)
• M18: 17,295,309 km (0.091 R)
• M19: 21,361,828 km (0.062 R)
• M20: 21,842,037 km (0.095 R)
• M21: 22,753,088 km (0.025 R)
• M22: 25,255,412 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 12.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.89 AU - 3.23 AU

Year: 3631 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,957,664 km

• M1: 160,668 km (0.04 R)
• M2: 589,266 km (0.101 R)
• M3: 1,016,218 km (0.045 R)
• M4: 1,931,309 km (0.074 R)
• M5: 4,218,361 km (0.083 R)
• M6: 5,010,182 km (0.108 R)
• M7: 6,190,659 km (0.099 R)
• M8: 7,006,865 km (0.093 R)
• M9: 7,735,556 km (0.1 R)
• M10: 8,347,711 km (0.103 R)
• M11: 9,344,182 km (0.071 R)
• M12: 9,816,014 km (0.069 R)
• M13: 10,611,875 km (0.105 R)
• M14: 12,118,325 km (0.108 R)
• M15: 14,760,074 km (0.057 R)
• M16: 16,898,426 km (0.099 R)
• M17: 17,709,994 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 9.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.83 AU - 3.97 AU

Year: 4252 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,957,664 km

• M1: 144,512 km (0.107 R)
• M2: 481,256 km (0.081 R)
• M3: 787,334 km (0.045 R)
• M4: 1,142,479 km (0.117 R)
• M5: 1,617,452 km (0.109 R)
• M6: 1,929,364 km (0.069 R)
• M7: 3,543,525 km (0.053 R)
• M8: 4,265,634 km (0.116 R)
• M9: 4,948,548 km (0.095 R)
• M10: 5,443,119 km (0.099 R)
• M11: 5,970,301 km (0.117 R)
• M12: 6,403,686 km (0.112 R)
• M13: 7,161,100 km (0.117 R)
• M14: 7,867,352 km (0.117 R)
• M15: 9,835,761 km (0.104 R)
• M16: 11,302,119 km (0.117 R)
• M17: 11,726,229 km (0.088 R)
• M18: 12,706,694 km (0.039 R)
• M19: 13,954,340 km (0.117 R)
• M20: 14,830,235 km (0.098 R)
• M21: 17,241,753 km (0.106 R)
• M22: 19,230,507 km (0.095 R)
• M23: 20,108,347 km (0.059 R)
• M24: 21,871,209 km (0.078 R)
• M25: 22,235,779 km (0.11 R)
• M26: 28,896,325 km (0.062 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: 178 - 12,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit