🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 11.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.57 AU - 0.93 AU

Year: 426 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,249,305 km

• M1: 141,968 km (0.064 R)
• M2: 358,436 km (0.061 R)
• M3: 629,358 km (0.104 R)
• M4: 843,882 km (0.044 R)
• M5: 1,086,230 km (0.107 R)
• M6: 1,451,548 km (0.094 R)
• M7: 1,825,692 km (0.028 R)
• M8: 2,349,435 km (0.085 R)
• M9: 2,905,191 km (0.026 R)
• M10: 3,638,220 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 13.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.71 AU - 0.97 AU

Year: 505 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,249,305 km

• M1: 166,951 km (0.111 R)
• M2: 984,952 km (0.059 R)
• M3: 1,380,040 km (0.11 R)
• M4: 1,865,186 km (0.095 R)
• M5: 2,329,239 km (0.084 R)
• M6: 2,651,323 km (0.102 R)
• M7: 3,070,795 km (0.092 R)
• M8: 3,873,986 km (0.058 R)
• M9: 4,133,988 km (0.094 R)
• M10: 4,525,036 km (0.112 R)
• M11: 4,827,822 km (0.05 R)
• M12: 5,075,108 km (0.099 R)
• M13: 5,925,871 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 11.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.28 AU - 2.48 AU

Year: 2409 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,249,305 km

• M1: 150,795 km (0.106 R)
• M2: 421,716 km (0.098 R)
• M3: 649,853 km (0.109 R)
• M4: 2,083,749 km (0.089 R)
• M5: 2,308,295 km (0.117 R)
• M6: 2,905,939 km (0.113 R)
• M7: 4,167,946 km (0.12 R)
• M8: 5,029,780 km (0.072 R)
• M9: 6,207,713 km (0.08 R)
• M10: 6,479,084 km (0.08 R)
• M11: 7,365,451 km (0.094 R)
• M12: 9,856,555 km (0.04 R)
• M13: 10,134,508 km (0.117 R)
• M14: 10,503,865 km (0.075 R)
• M15: 10,724,372 km (0.075 R)
• M16: 11,744,929 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 8.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.01 AU - 3.07 AU

Year: 2656 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,249,305 km

• M1: 103,372 km (0.101 R)
• M2: 372,200 km (0.108 R)
• M3: 822,190 km (0.085 R)
• M4: 1,347,877 km (0.105 R)
• M5: 1,533,528 km (0.026 R)
• M6: 2,059,364 km (0.119 R)
• M7: 2,223,174 km (0.102 R)
• M8: 2,393,416 km (0.117 R)
• M9: 2,704,281 km (0.092 R)
• M10: 3,127,194 km (0.048 R)
• M11: 6,978,591 km (0.112 R)
• M12: 7,740,343 km (0.09 R)
• M13: 8,147,100 km (0.062 R)
• M14: 8,586,619 km (0.064 R)
• M15: 9,453,987 km (0.118 R)
• M16: 10,290,239 km (0.09 R)
• M17: 11,366,596 km (0.057 R)
• M18: 11,624,652 km (0.105 R)
• M19: 12,986,142 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 5.5

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.95 AU - 10.75 AU

Year: 17271 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,249,305 km

• M1: 93,947 km (0.063 R)
• M2: 234,420 km (0.072 R)
• M3: 363,523 km (0.113 R)
• M4: 487,091 km (0.117 R)
• M5: 596,896 km (0.09 R)
• M6: 771,925 km (0.107 R)
• M7: 1,113,906 km (0.087 R)
• M8: 1,337,106 km (0.088 R)
• M9: 1,542,803 km (0.073 R)
• M10: 1,701,975 km (0.119 R)
• M11: 1,978,282 km (0.084 R)
• M12: 2,205,521 km (0.089 R)
• M13: 3,532,754 km (0.063 R)
• M14: 4,024,931 km (0.094 R)
• M15: 4,651,746 km (0.091 R)
• M16: 5,398,239 km (0.114 R)
• M17: 5,773,431 km (0.052 R)
• M18: 6,043,604 km (0.102 R)
• M19: 10,483,819 km (0.119 R)
• M20: 10,587,191 km (0.09 R)
• M21: 11,594,733 km (0.087 R)
• M22: 11,703,490 km (0.104 R)
• M23: 12,761,895 km (0.079 R)
• M24: 17,523,296 km (0.074 R)
• M25: 18,814,625 km (0.106 R)
• M26: 20,009,014 km (0.074 R)
• M27: 25,799,649 km (0.077 R)
• M28: 28,628,993 km (0.04 R)
• M29: 33,795,805 km (0.09 R)
• M30: 36,830,248 km (0.117 R)
• M31: 38,396,537 km (0.104 R)
• M32: 40,501,828 km (0.118 R)
• M33: 48,036,475 km (0.073 R)
• M34: 57,297,181 km (0.12 R)
• M35: 59,247,190 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.2

Radius: 3.9

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.78 AU - 10.14 AU

Year: 20620 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,249,305 km

• M1: 52,060 km (0.075 R)
• M2: 292,165 km (0.058 R)
• M3: 657,483 km (0.119 R)
• M4: 1,289,085 km (0.114 R)
• M5: 1,774,979 km (0.098 R)
• M6: 4,052,158 km (0.089 R)
• M7: 4,632,298 km (0.074 R)
• M8: 7,201,791 km (0.088 R)
• M9: 12,686,348 km (0.116 R)
• M10: 13,116,741 km (0.084 R)
• M11: 15,586,303 km (0.093 R)
• M12: 16,764,685 km (0.068 R)
• M13: 16,928,645 km (0.056 R)
• M14: 17,873,206 km (0.108 R)
• M15: 19,780,279 km (0.079 R)
• M16: 22,726,909 km (0.118 R)
• M17: 25,743,250 km (0.095 R)
• M18: 28,447,980 km (0.116 R)
• M19: 33,564,825 km (0.118 R)
• M20: 35,285,351 km (0.118 R)
• M21: 37,374,186 km (0.087 R)
• M22: 41,046,215 km (0.074 R)
• M23: 41,388,495 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 6.8

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 9.32 AU - 11.74 AU

Year: 22416 Days

Day: 24.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,249,305 km

• M1: 86,168 km (0.075 R)
• M2: 347,217 km (0.097 R)
• M3: 964,906 km (0.106 R)
• M4: 1,373,608 km (0.065 R)
• M5: 2,424,233 km (0.116 R)
• M6: 2,800,023 km (0.102 R)
• M7: 4,785,785 km (0.112 R)
• M8: 5,421,277 km (0.066 R)
• M9: 5,679,334 km (0.049 R)
• M10: 5,943,523 km (0.083 R)
• M11: 6,854,275 km (0.045 R)
• M12: 7,061,019 km (0.112 R)
• M13: 7,656,269 km (0.086 R)
• M14: 7,787,018 km (0.109 R)
• M15: 10,230,849 km (0.074 R)
• M16: 11,956,161 km (0.1 R)
• M17: 13,010,826 km (0.114 R)
• M18: 13,875,203 km (0.05 R)
• M19: 14,586,989 km (0.074 R)
• M20: 15,132,423 km (0.091 R)
• M21: 16,444,396 km (0.085 R)
• M22: 22,018,563 km (0.1 R)
• M23: 22,240,566 km (0.108 R)
• M24: 25,946,703 km (0.091 R)
• M25: 26,836,362 km (0.06 R)
• M26: 30,719,624 km (0.069 R)
• M27: 31,775,934 km (0.117 R)
• M28: 39,969,559 km (0.104 R)
• M29: 43,220,022 km (0.116 R)
• M30: 45,316,187 km (0.12 R)
• M31: 46,597,792 km (0.119 R)
• M32: 48,883,647 km (0.114 R)
• M33: 53,619,916 km (0.111 R)
• M34: 55,247,391 km (0.09 R)
• M35: 58,937,672 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit