🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.4

Radius: 11.2

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.64 AU - 0.74 AU

Year: 370 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,584,710 km

• M1: 139,276 km (0.076 R)
• M2: 506,389 km (0.111 R)
• M3: 885,769 km (0.105 R)
• M4: 1,308,682 km (0.111 R)
• M5: 1,681,480 km (0.114 R)
• M6: 2,050,688 km (0.117 R)
• M7: 2,474,798 km (0.09 R)
• M8: 3,454,215 km (0.066 R)
• M9: 4,387,706 km (0.032 R)
• M10: 5,240,114 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 8.2

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.04 AU - 1.26 AU

Year: 796 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,584,710 km

• M1: 102,026 km (0.113 R)
• M2: 406,308 km (0.084 R)
• M3: 677,529 km (0.088 R)
• M4: 949,647 km (0.119 R)
• M5: 1,246,898 km (0.112 R)
• M6: 1,516,474 km (0.107 R)
• M7: 1,843,794 km (0.075 R)
• M8: 2,186,522 km (0.104 R)
• M9: 2,513,992 km (0.118 R)
• M10: 2,787,008 km (0.073 R)
• M11: 3,536,344 km (0.096 R)
• M12: 3,942,652 km (0.092 R)
• M13: 4,618,984 km (0.041 R)
• M14: 5,605,133 km (0.098 R)
• M15: 7,231,411 km (0.09 R)
• M16: 7,738,249 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 10.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.63 AU - 4.01 AU

Year: 3906 Days

Day: 14.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,584,710 km

• M1: 130,150 km (0.08 R)
• M2: 486,492 km (0.102 R)
• M3: 861,085 km (0.071 R)
• M4: 1,196,334 km (0.1 R)
• M5: 2,094,819 km (0.031 R)
• M6: 3,770,465 km (0.066 R)
• M7: 4,461,457 km (0.079 R)
• M8: 4,960,217 km (0.048 R)
• M9: 5,447,756 km (0.073 R)
• M10: 6,655,310 km (0.066 R)
• M11: 8,381,370 km (0.087 R)
• M12: 8,739,657 km (0.111 R)
• M13: 9,074,308 km (0.053 R)
• M14: 9,698,131 km (0.12 R)
• M15: 12,068,210 km (0.111 R)
• M16: 15,132,872 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.8

Radius: 14.6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.93 AU - 4.19 AU

Year: 5282 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,584,710 km

• M1: 181,911 km (0.085 R)
• M2: 735,124 km (0.063 R)
• M3: 1,394,551 km (0.097 R)
• M4: 2,174,255 km (0.114 R)
• M5: 3,153,374 km (0.113 R)
• M6: 4,610,307 km (0.114 R)
• M7: 7,566,361 km (0.066 R)
• M8: 8,497,757 km (0.12 R)
• M9: 13,004,543 km (0.114 R)
• M10: 28,598,924 km (0.05 R)
• M11: 31,318,015 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 11.6

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.97 AU - 5.07 AU

Year: 7262 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,584,710 km

• M1: 144,512 km (0.094 R)
• M2: 635,193 km (0.116 R)
• M3: 1,123,630 km (0.113 R)
• M4: 1,830,629 km (0.085 R)
• M5: 2,876,917 km (0.058 R)
• M6: 3,426,390 km (0.082 R)
• M7: 5,251,035 km (0.089 R)
• M8: 5,669,161 km (0.097 R)
• M9: 7,450,124 km (0.042 R)
• M10: 8,105,213 km (0.106 R)
• M11: 8,798,449 km (0.095 R)
• M12: 9,960,077 km (0.1 R)
• M13: 11,432,718 km (0.092 R)
• M14: 13,397,686 km (0.106 R)
• M15: 16,041,230 km (0.107 R)
• M16: 18,865,339 km (0.096 R)
• M17: 20,160,407 km (0.079 R)
• M18: 22,588,979 km (0.105 R)
• M19: 23,961,091 km (0.075 R)
• M20: 24,489,770 km (0.075 R)
• M21: 26,776,373 km (0.063 R)
• M22: 28,214,757 km (0.112 R)
• M23: 29,301,885 km (0.106 R)
• M24: 30,725,607 km (0.114 R)
• M25: 32,408,584 km (0.105 R)
• M26: 33,820,638 km (0.071 R)
• M27: 35,047,191 km (0.082 R)
• M28: 36,650,880 km (0.094 R)
• M29: 38,302,740 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 4.1

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.04 AU - 8.56 AU

Year: 12735 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,584,710 km

• M1: 55,650 km (0.097 R)
• M2: 397,332 km (0.082 R)
• M3: 598,691 km (0.052 R)
• M4: 883,974 km (0.111 R)
• M5: 1,242,710 km (0.096 R)
• M6: 1,580,801 km (0.115 R)
• M7: 1,868,777 km (0.086 R)
• M8: 2,882,601 km (0.093 R)
• M9: 3,932,330 km (0.075 R)
• M10: 5,589,425 km (0.11 R)
• M11: 7,543,323 km (0.104 R)
• M12: 8,955,228 km (0.099 R)
• M13: 15,210,812 km (0.074 R)
• M14: 16,300,932 km (0.107 R)
• M15: 20,717,809 km (0.1 R)
• M16: 24,295,293 km (0.035 R)
• M17: 25,691,938 km (0.084 R)
• M18: 26,682,575 km (0.106 R)
• M19: 28,263,376 km (0.059 R)
• M20: 29,221,850 km (0.091 R)
• M21: 36,096,919 km (0.054 R)
• M22: 38,027,629 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.8

Radius: 4.1

Gravity: 46.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.83 AU - 11.69 AU

Year: 24396 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,584,710 km

• M1: 63,729 km (0.031 R)
• M2: 223,649 km (0.038 R)
• M3: 465,100 km (0.085 R)
• M4: 722,259 km (0.027 R)
• M5: 1,028,186 km (0.077 R)
• M6: 2,191,160 km (0.058 R)
• M7: 2,544,660 km (0.055 R)
• M8: 2,853,879 km (0.077 R)
• M9: 6,065,146 km (0.089 R)
• M10: 9,450,397 km (0.099 R)
• M11: 11,435,710 km (0.092 R)
• M12: 13,377,341 km (0.057 R)
• M13: 14,386,079 km (0.118 R)
• M14: 17,442,513 km (0.12 R)
• M15: 19,704,284 km (0.043 R)
• M16: 20,099,222 km (0.06 R)
• M17: 21,942,417 km (0.093 R)
• M18: 22,153,949 km (0.1 R)
• M19: 22,473,789 km (0.09 R)
• M20: 24,344,510 km (0.048 R)
• M21: 25,259,600 km (0.062 R)
• M22: 29,663,014 km (0.098 R)
• M23: 31,909,375 km (0.03 R)
• M24: 37,486,085 km (0.095 R)
• M25: 37,940,114 km (0.1 R)
• M26: 39,324,343 km (0.102 R)
• M27: 44,181,038 km (0.053 R)
• M28: 45,027,463 km (0.075 R)
• M29: 46,057,444 km (0.114 R)
• M30: 46,927,655 km (0.105 R)
• M31: 55,453,986 km (0.09 R)
• M32: 66,712,273 km (0.091 R)
• M33: 67,825,730 km (0.118 R)
• M34: 70,548,561 km (0.108 R)
• M35: 71,009,322 km (0.054 R)
• M36: 71,936,829 km (0.118 R)
• M37: 72,169,902 km (0.042 R)
• M38: 73,343,198 km (0.102 R)
• M39: 83,963,002 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 18,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit