🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 14.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.58 AU - 0.88 AU

Year: 403 Days

Day: 10.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,139,710 km

• M1: 184,305 km (0.052 R)
• M2: 665,112 km (0.077 R)
• M3: 1,216,380 km (0.087 R)
• M4: 2,009,698 km (0.083 R)
• M5: 3,014,846 km (0.074 R)
• M6: 5,042,795 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 13

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.59 AU - 1.87 AU

Year: 1469 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 107.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,139,710 km

• M1: 162,314 km (0.047 R)
• M2: 791,672 km (0.11 R)
• M3: 1,445,265 km (0.054 R)
• M4: 1,926,970 km (0.079 R)
• M5: 2,841,013 km (0.065 R)
• M6: 3,313,593 km (0.076 R)
• M7: 4,977,420 km (0.085 R)
• M8: 6,789,649 km (0.082 R)
• M9: 8,136,329 km (0.099 R)
• M10: 9,622,434 km (0.09 R)
• M11: 10,232,195 km (0.062 R)
• M12: 10,901,945 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 9.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.67 AU - 1.83 AU

Year: 1495 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,139,710 km

• M1: 147,653 km (0.073 R)
• M2: 493,823 km (0.103 R)
• M3: 1,373,009 km (0.119 R)
• M4: 1,956,291 km (0.037 R)
• M5: 2,684,085 km (0.109 R)
• M6: 3,458,104 km (0.109 R)
• M7: 3,872,640 km (0.116 R)
• M8: 5,983,765 km (0.109 R)
• M9: 6,301,661 km (0.099 R)
• M10: 8,173,878 km (0.081 R)
• M11: 9,943,322 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 10.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.17 AU - 2.35 AU

Year: 2194 Days

Day: 14.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,139,710 km

• M1: 128,056 km (0.115 R)
• M2: 472,430 km (0.092 R)
• M3: 942,018 km (0.09 R)
• M4: 1,302,100 km (0.065 R)
• M5: 1,986,809 km (0.076 R)
• M6: 2,769,505 km (0.044 R)
• M7: 3,147,689 km (0.057 R)
• M8: 3,866,955 km (0.091 R)
• M9: 6,217,587 km (0.07 R)
• M10: 6,664,884 km (0.115 R)
• M11: 7,160,203 km (0.066 R)
• M12: 8,020,839 km (0.073 R)
• M13: 8,611,901 km (0.103 R)
• M14: 9,042,593 km (0.119 R)
• M15: 9,552,572 km (0.109 R)
• M16: 10,595,120 km (0.087 R)
• M17: 11,526,516 km (0.069 R)
• M18: 12,905,210 km (0.053 R)
• M19: 13,347,571 km (0.05 R)
• M20: 14,093,316 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 8.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.24 AU - 2.52 AU

Year: 2371 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,139,710 km

• M1: 103,223 km (0.077 R)
• M2: 386,411 km (0.116 R)
• M3: 645,216 km (0.105 R)
• M4: 978,370 km (0.096 R)
• M5: 1,347,278 km (0.051 R)
• M6: 1,633,310 km (0.11 R)
• M7: 2,169,768 km (0.032 R)
• M8: 2,486,167 km (0.053 R)
• M9: 2,936,307 km (0.107 R)
• M10: 3,557,288 km (0.11 R)
• M11: 4,659,674 km (0.114 R)
• M12: 5,102,335 km (0.11 R)
• M13: 5,902,384 km (0.114 R)
• M14: 6,574,677 km (0.068 R)
• M15: 7,606,154 km (0.078 R)
• M16: 7,923,900 km (0.101 R)
• M17: 8,220,553 km (0.112 R)
• M18: 8,773,018 km (0.092 R)
• M19: 9,252,329 km (0.092 R)
• M20: 12,462,550 km (0.119 R)
• M21: 13,150,550 km (0.053 R)
• M22: 13,566,881 km (0.076 R)
• M23: 14,958,590 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 12.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.95 AU - 4.91 AU

Year: 5030 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,139,710 km

• M1: 161,715 km (0.111 R)
• M2: 908,358 km (0.071 R)
• M3: 1,330,075 km (0.113 R)
• M4: 1,783,506 km (0.107 R)
• M5: 2,368,583 km (0.068 R)
• M6: 3,180,002 km (0.05 R)
• M7: 3,641,960 km (0.052 R)
• M8: 4,356,140 km (0.063 R)
• M9: 5,305,339 km (0.101 R)
• M10: 6,038,219 km (0.08 R)
• M11: 8,248,527 km (0.108 R)
• M12: 10,913,913 km (0.069 R)
• M13: 11,394,720 km (0.103 R)
• M14: 12,100,074 km (0.056 R)
• M15: 14,202,672 km (0.063 R)
• M16: 15,415,313 km (0.07 R)
• M17: 17,990,790 km (0.104 R)
• M18: 18,493,289 km (0.073 R)
• M19: 19,120,104 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.2

Radius: 10.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4 AU - 5.32 AU

Year: 6495 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,139,710 km

• M1: 125,662 km (0.104 R)
• M2: 500,106 km (0.086 R)
• M3: 920,177 km (0.116 R)
• M4: 1,262,307 km (0.077 R)
• M5: 1,677,591 km (0.12 R)
• M6: 2,167,673 km (0.095 R)
• M7: 2,623,049 km (0.088 R)
• M8: 3,203,190 km (0.109 R)
• M9: 3,524,227 km (0.101 R)
• M10: 4,461,906 km (0.103 R)
• M11: 5,772,234 km (0.112 R)
• M12: 7,769,515 km (0.113 R)
• M13: 8,116,432 km (0.086 R)
• M14: 8,554,305 km (0.042 R)
• M15: 10,235,486 km (0.1 R)
• M16: 11,871,937 km (0.118 R)
• M17: 13,565,236 km (0.051 R)
• M18: 14,585,643 km (0.101 R)
• M19: 14,995,990 km (0.042 R)
• M20: 15,656,315 km (0.041 R)
• M21: 18,289,536 km (0.065 R)
• M22: 18,835,868 km (0.041 R)
• M23: 21,279,699 km (0.119 R)
• M24: 24,008,513 km (0.104 R)
• M25: 27,938,898 km (0.065 R)
• M26: 30,817,311 km (0.104 R)
• M27: 31,590,882 km (0.084 R)
• M28: 33,177,217 km (0.071 R)
• M29: 34,401,078 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.3

Radius: 11.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.65 AU - 7.31 AU

Year: 9442 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,139,710 km

• M1: 148,401 km (0.078 R)
• M2: 524,640 km (0.11 R)
• M3: 890,407 km (0.101 R)
• M4: 1,278,912 km (0.034 R)
• M5: 1,709,904 km (0.091 R)
• M6: 2,309,342 km (0.098 R)
• M7: 2,915,962 km (0.114 R)
• M8: 4,144,160 km (0.085 R)
• M9: 4,710,538 km (0.117 R)
• M10: 5,724,063 km (0.117 R)
• M11: 7,228,120 km (0.081 R)
• M12: 8,093,694 km (0.079 R)
• M13: 8,708,242 km (0.059 R)
• M14: 13,428,802 km (0.114 R)
• M15: 15,719,595 km (0.104 R)
• M16: 17,891,307 km (0.115 R)
• M17: 21,472,381 km (0.082 R)
• M18: 22,394,652 km (0.089 R)
• M19: 26,160,180 km (0.099 R)
• M20: 27,212,152 km (0.088 R)
• M21: 28,893,034 km (0.092 R)
• M22: 31,489,305 km (0.12 R)
• M23: 35,034,475 km (0.066 R)
• M24: 38,104,223 km (0.12 R)
• M25: 41,220,945 km (0.074 R)
• M26: 43,038,559 km (0.102 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: 334 - 19,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit