🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 11.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 7 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,136,080 km

• M1: 149,149 km (0.104 R)
• M2: 574,905 km (0.074 R)
• M3: 1,072,318 km (0.059 R)
• M4: 1,494,333 km (0.081 R)
• M5: 1,955,244 km (0.104 R)
• M6: 2,931,669 km (0.067 R)
• M7: 3,812,203 km (0.089 R)
• M8: 4,448,891 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 11.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.89 AU - 1.29 AU

Year: 786 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,136,080 km

• M1: 145,559 km (0.058 R)
• M2: 514,467 km (0.102 R)
• M3: 890,407 km (0.069 R)
• M4: 1,390,811 km (0.063 R)
• M5: 2,021,217 km (0.069 R)
• M6: 3,196,757 km (0.049 R)
• M7: 3,770,016 km (0.102 R)
• M8: 4,179,316 km (0.065 R)
• M9: 4,883,174 km (0.064 R)
• M10: 5,534,672 km (0.082 R)
• M11: 6,486,115 km (0.05 R)
• M12: 6,883,148 km (0.089 R)
• M13: 7,703,243 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 9.1

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.03 AU - 2.57 AU

Year: 2408 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,136,080 km

• M1: 113,395 km (0.084 R)
• M2: 1,502,112 km (0.114 R)
• M3: 1,935,647 km (0.098 R)
• M4: 2,314,129 km (0.113 R)
• M5: 2,741,830 km (0.095 R)
• M6: 4,225,990 km (0.098 R)
• M7: 6,506,610 km (0.099 R)
• M8: 10,604,245 km (0.067 R)
• M9: 12,750,526 km (0.116 R)
• M10: 13,585,880 km (0.091 R)
• M11: 14,040,059 km (0.069 R)
• M12: 15,512,402 km (0.088 R)
• M13: 16,260,541 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.1

Radius: 10.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.94 AU - 2.7 AU

Year: 2439 Days

Day: 14.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,136,080 km

• M1: 128,355 km (0.106 R)
• M2: 527,332 km (0.12 R)
• M3: 870,510 km (0.034 R)
• M4: 1,213,837 km (0.085 R)
• M5: 1,690,905 km (0.079 R)
• M6: 2,343,301 km (0.107 R)
• M7: 3,011,256 km (0.104 R)
• M8: 3,494,606 km (0.103 R)
• M9: 3,971,375 km (0.093 R)
• M10: 4,681,516 km (0.087 R)
• M11: 7,922,404 km (0.095 R)
• M12: 10,832,531 km (0.038 R)
• M13: 12,174,125 km (0.093 R)
• M14: 12,799,893 km (0.065 R)
• M15: 13,272,323 km (0.072 R)
• M16: 14,481,523 km (0.097 R)
• M17: 15,041,916 km (0.096 R)
• M18: 15,616,671 km (0.043 R)
• M19: 17,014,813 km (0.035 R)
• M20: 17,586,277 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 10.1

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.96 AU - 4.4 AU

Year: 4873 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,136,080 km

• M1: 126,859 km (0.101 R)
• M2: 695,181 km (0.074 R)
• M3: 1,352,514 km (0.095 R)
• M4: 2,133,714 km (0.054 R)
• M5: 2,609,884 km (0.115 R)
• M6: 3,776,449 km (0.114 R)
• M7: 5,725,859 km (0.115 R)
• M8: 7,540,929 km (0.034 R)
• M9: 16,953,927 km (0.084 R)
• M10: 17,513,572 km (0.08 R)
• M11: 18,434,497 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 3.9

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.8 AU - 9.68 AU

Year: 17835 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,136,080 km

• M1: 49,068 km (0.066 R)
• M2: 233,522 km (0.071 R)
• M3: 422,614 km (0.116 R)
• M4: 556,205 km (0.09 R)
• M5: 1,311,076 km (0.114 R)
• M6: 1,785,750 km (0.073 R)
• M7: 2,178,594 km (0.078 R)
• M8: 3,373,432 km (0.11 R)
• M9: 3,729,325 km (0.116 R)
• M10: 3,971,075 km (0.114 R)
• M11: 5,076,155 km (0.1 R)
• M12: 5,306,087 km (0.055 R)
• M13: 5,929,461 km (0.078 R)
• M14: 6,333,675 km (0.071 R)
• M15: 8,269,471 km (0.11 R)
• M16: 9,201,017 km (0.073 R)
• M17: 10,408,721 km (0.09 R)
• M18: 13,194,981 km (0.115 R)
• M19: 14,332,074 km (0.117 R)
• M20: 14,527,748 km (0.09 R)
• M21: 15,396,164 km (0.066 R)
• M22: 16,440,656 km (0.089 R)
• M23: 19,615,123 km (0.109 R)
• M24: 23,354,472 km (0.077 R)
• M25: 30,775,573 km (0.109 R)
• M26: 34,253,125 km (0.094 R)
• M27: 35,666,676 km (0.081 R)
• M28: 36,267,012 km (0.079 R)
• M29: 41,313,995 km (0.065 R)
• M30: 44,417,702 km (0.036 R)
• M31: 47,528,590 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 7.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.66 AU - 10.74 AU

Year: 20853 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,136,080 km

• M1: 113,395 km (0.101 R)
• M2: 395,088 km (0.094 R)
• M3: 806,931 km (0.094 R)
• M4: 1,149,061 km (0.089 R)
• M5: 1,455,587 km (0.119 R)
• M6: 1,872,965 km (0.116 R)
• M7: 2,193,853 km (0.064 R)
• M8: 3,025,916 km (0.073 R)
• M9: 3,383,754 km (0.103 R)
• M10: 5,413,947 km (0.12 R)
• M11: 6,505,114 km (0.098 R)
• M12: 7,586,856 km (0.096 R)
• M13: 7,938,561 km (0.077 R)
• M14: 9,284,792 km (0.085 R)
• M15: 9,629,316 km (0.103 R)
• M16: 10,404,981 km (0.069 R)
• M17: 15,632,977 km (0.106 R)
• M18: 21,774,718 km (0.064 R)
• M19: 22,077,803 km (0.093 R)
• M20: 22,795,574 km (0.073 R)
• M21: 23,317,671 km (0.064 R)
• M22: 23,634,818 km (0.087 R)
• M23: 23,954,808 km (0.109 R)
• M24: 24,603,464 km (0.052 R)
• M25: 29,108,604 km (0.085 R)
• M26: 31,748,259 km (0.117 R)
• M27: 36,637,416 km (0.109 R)
• M28: 40,465,326 km (0.119 R)
• M29: 43,585,340 km (0.064 R)
• M30: 48,046,647 km (0.07 R)
• M31: 52,259,623 km (0.063 R)
• M32: 61,010,649 km (0.11 R)
• M33: 62,016,844 km (0.07 R)
• M34: 64,684,923 km (0.09 R)
• M35: 70,689,332 km (0.032 R)
• M36: 73,599,310 km (0.218 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 14,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit