🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.5

Radius: 12

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.46 AU - 0.6 AU

Year: 257 Days

Day: 13.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,626,329 km

• M1: 149,299 km (0.114 R)
• M2: 580,739 km (0.065 R)
• M3: 980,165 km (0.106 R)
• M4: 1,534,575 km (0.116 R)
• M5: 1,911,113 km (0.101 R)
• M6: 2,408,975 km (0.093 R)
• M7: 3,245,526 km (0.047 R)
• M8: 3,646,448 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 14.6

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.63 AU - 0.91 AU

Year: 451 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,626,329 km

• M1: 182,360 km (0.092 R)
• M2: 666,159 km (0.064 R)
• M3: 1,197,531 km (0.062 R)
• M4: 1,702,424 km (0.1 R)
• M5: 2,286,155 km (0.106 R)
• M6: 2,881,105 km (0.095 R)
• M7: 3,786,472 km (0.046 R)
• M8: 4,342,976 km (0.088 R)
• M9: 4,906,361 km (0.04 R)
• M10: 5,518,217 km (0.113 R)
• M11: 6,033,282 km (0.107 R)
• M12: 6,736,991 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 9.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.55 AU - 4.73 AU

Year: 6665 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,626,329 km

• M1: 204,051 km (0.104 R)
• M2: 752,477 km (0.095 R)
• M3: 1,358,049 km (0.118 R)
• M4: 1,922,931 km (0.101 R)
• M5: 2,868,689 km (0.052 R)
• M6: 4,050,512 km (0.088 R)
• M7: 5,358,895 km (0.112 R)
• M8: 6,929,224 km (0.077 R)
• M9: 7,874,832 km (0.118 R)
• M10: 8,208,435 km (0.087 R)
• M11: 9,977,580 km (0.086 R)
• M12: 10,590,183 km (0.098 R)
• M13: 11,414,467 km (0.114 R)
• M14: 12,280,938 km (0.115 R)
• M15: 14,805,252 km (0.104 R)
• M16: 15,429,076 km (0.117 R)
• M17: 17,406,161 km (0.101 R)
• M18: 24,577,434 km (0.077 R)
• M19: 28,028,208 km (0.074 R)
• M20: 29,335,095 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.7

Radius: 5.5

Gravity: 30.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.97 AU - 8.83 AU

Year: 14807 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 110.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,626,329 km

• M1: 68,366 km (0.086 R)
• M2: 269,725 km (0.104 R)
• M3: 1,093,411 km (0.067 R)
• M4: 1,547,590 km (0.101 R)
• M5: 2,798,527 km (0.081 R)
• M6: 4,441,860 km (0.079 R)
• M7: 4,744,646 km (0.099 R)
• M8: 5,060,896 km (0.109 R)
• M9: 7,826,512 km (0.037 R)
• M10: 8,988,289 km (0.106 R)
• M11: 9,527,739 km (0.067 R)
• M12: 10,670,816 km (0.046 R)
• M13: 11,213,856 km (0.119 R)
• M14: 11,586,056 km (0.119 R)
• M15: 12,552,608 km (0.117 R)
• M16: 13,502,105 km (0.113 R)
• M17: 13,781,853 km (0.112 R)
• M18: 14,718,336 km (0.078 R)
• M19: 15,014,689 km (0.052 R)
• M20: 16,161,956 km (0.114 R)
• M21: 19,594,180 km (0.118 R)
• M22: 20,407,543 km (0.057 R)
• M23: 21,337,593 km (0.094 R)
• M24: 22,588,381 km (0.114 R)
• M25: 23,684,335 km (0.103 R)
• M26: 30,892,858 km (0.099 R)
• M27: 32,616,375 km (0.07 R)
• M28: 34,143,769 km (0.091 R)
• M29: 35,585,145 km (0.071 R)
• M30: 45,095,081 km (0.11 R)
• M31: 48,934,211 km (0.072 R)
• M32: 52,123,788 km (0.045 R)
• M33: 60,603,444 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.7

Radius: 7

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.31 AU - 8.99 AU

Year: 15516 Days

Day: 23.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,626,329 km

• M1: 87,066 km (0.098 R)
• M2: 322,683 km (0.09 R)
• M3: 553,961 km (0.045 R)
• M4: 891,903 km (0.096 R)
• M5: 1,602,642 km (0.048 R)
• M6: 4,514,116 km (0.06 R)
• M7: 6,409,820 km (0.083 R)
• M8: 7,728,376 km (0.104 R)
• M9: 8,220,702 km (0.055 R)
• M10: 8,544,731 km (0.119 R)
• M11: 9,022,547 km (0.115 R)
• M12: 17,255,666 km (0.073 R)
• M13: 19,693,662 km (0.085 R)
• M14: 34,898,341 km (0.112 R)
• M15: 35,139,792 km (0.041 R)
• M16: 41,952,479 km (0.104 R)
• M17: 48,236,786 km (0.04 R)
• M18: 51,758,470 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.9

Radius: 4.7

Gravity: 37.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.12 AU - 8.48 AU

Year: 15946 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,626,329 km

• M1: 58,493 km (0.101 R)
• M2: 298,597 km (0.106 R)
• M3: 686,056 km (0.119 R)
• M4: 952,041 km (0.098 R)
• M5: 1,622,539 km (0.056 R)
• M6: 1,960,330 km (0.076 R)
• M7: 2,430,517 km (0.08 R)
• M8: 2,751,554 km (0.102 R)
• M9: 2,947,228 km (0.089 R)
• M10: 4,555,554 km (0.099 R)
• M11: 7,299,329 km (0.093 R)
• M12: 12,504,138 km (0.109 R)
• M13: 12,906,257 km (0.12 R)
• M14: 14,092,568 km (0.063 R)
• M15: 14,382,040 km (0.113 R)
• M16: 15,966,581 km (0.075 R)
• M17: 16,679,863 km (0.11 R)
• M18: 18,859,953 km (0.032 R)
• M19: 27,863,800 km (0.069 R)
• M20: 32,146,787 km (0.1 R)
• M21: 32,396,765 km (0.118 R)
• M22: 39,077,507 km (0.051 R)
• M23: 40,224,923 km (0.082 R)
• M24: 41,690,832 km (0.114 R)
• M25: 43,343,889 km (0.113 R)
• M26: 44,263,766 km (0.099 R)
• M27: 47,262,306 km (0.105 R)
• M28: 50,393,688 km (0.083 R)
• M29: 51,752,486 km (0.118 R)
• M30: 54,542,935 km (0.063 R)
• M31: 60,421,682 km (0.064 R)
• M32: 62,925,951 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.7

Radius: 5.3

Gravity: 16.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.63 AU - 12.31 AU

Year: 24229 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,626,329 km

• M1: 65,973 km (0.086 R)
• M2: 476,170 km (0.112 R)
• M3: 735,124 km (0.109 R)
• M4: 1,072,168 km (0.075 R)
• M5: 2,346,742 km (0.116 R)
• M6: 2,867,642 km (0.104 R)
• M7: 3,850,350 km (0.103 R)
• M8: 4,168,245 km (0.114 R)
• M9: 5,227,548 km (0.102 R)
• M10: 5,420,080 km (0.116 R)
• M11: 7,615,579 km (0.115 R)
• M12: 9,925,968 km (0.042 R)
• M13: 10,401,989 km (0.11 R)
• M14: 12,943,058 km (0.091 R)
• M15: 13,801,301 km (0.045 R)
• M16: 17,358,290 km (0.099 R)
• M17: 17,529,280 km (0.102 R)
• M18: 23,927,132 km (0.075 R)
• M19: 32,235,798 km (0.057 R)
• M20: 35,428,366 km (0.112 R)
• M21: 44,638,060 km (0.045 R)
• M22: 51,531,530 km (0.086 R)
• M23: 56,251,343 km (0.116 R)
• M24: 61,449,420 km (0.08 R)
• M25: 62,445,891 km (0.097 R)
• M26: 64,062,595 km (0.096 R)
• M27: 66,748,775 km (0.116 R)
• M28: 70,808,562 km (0.068 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 18,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit