🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 12.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.58 AU - 0.82 AU

Year: 384 Days

Day: 13 Hours

Environment

Temp: -128 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,335,255 km

• M1: 150,495 km (0.086 R)
• M2: 550,071 km (0.116 R)
• M3: 1,019,509 km (0.065 R)
• M4: 1,863,541 km (0.082 R)
• M5: 2,412,864 km (0.11 R)
• M6: 2,796,583 km (0.052 R)
• M7: 3,368,944 km (0.096 R)
• M8: 3,922,456 km (0.117 R)
• M9: 4,354,495 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707

Radius: 9.4

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.85 AU - 1.03 AU

Year: 598 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,335,255 km

• M1: 117,734 km (0.106 R)
• M2: 451,337 km (0.117 R)
• M3: 763,548 km (0.033 R)
• M4: 1,083,837 km (0.075 R)
• M5: 1,445,714 km (0.066 R)
• M6: 1,763,310 km (0.062 R)
• M7: 2,174,704 km (0.057 R)
• M8: 3,204,536 km (0.113 R)
• M9: 4,048,567 km (0.056 R)
• M10: 5,342,888 km (0.064 R)
• M11: 5,848,828 km (0.105 R)
• M12: 6,152,212 km (0.099 R)
• M13: 6,586,345 km (0.112 R)
• M14: 6,915,012 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.7

Radius: 12.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.37 AU - 1.93 AU

Year: 1390 Days

Day: 13.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,335,255 km

• M1: 151,692 km (0.098 R)
• M2: 609,911 km (0.097 R)
• M3: 1,084,734 km (0.077 R)
• M4: 1,682,527 km (0.042 R)
• M5: 2,117,707 km (0.049 R)
• M6: 2,544,510 km (0.11 R)
• M7: 3,064,363 km (0.098 R)
• M8: 3,445,389 km (0.087 R)
• M9: 3,872,191 km (0.111 R)
• M10: 4,657,580 km (0.028 R)
• M11: 5,370,414 km (0.1 R)
• M12: 6,097,609 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 8.8

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.72 AU - 3.08 AU

Year: 3240 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,335,255 km

• M1: 118,631 km (0.056 R)
• M2: 458,517 km (0.117 R)
• M3: 952,190 km (0.097 R)
• M4: 3,256,895 km (0.077 R)
• M5: 3,561,327 km (0.076 R)
• M6: 3,926,495 km (0.088 R)
• M7: 4,406,704 km (0.078 R)
• M8: 4,780,250 km (0.034 R)
• M9: 5,074,061 km (0.112 R)
• M10: 5,537,664 km (0.077 R)
• M11: 8,898,829 km (0.06 R)
• M12: 9,194,584 km (0.029 R)
• M13: 10,485,165 km (0.096 R)
• M14: 10,815,328 km (0.09 R)
• M15: 11,759,440 km (0.089 R)
• M16: 14,359,002 km (0.036 R)
• M17: 15,077,371 km (0.12 R)
• M18: 16,419,413 km (0.08 R)
• M19: 17,376,391 km (0.083 R)
• M20: 18,549,238 km (0.065 R)
• M21: 21,182,909 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 13.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.82 AU - 5.3 AU

Year: 6388 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 70.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,335,255 km

• M1: 164,258 km (0.118 R)
• M2: 1,059,602 km (0.106 R)
• M3: 1,530,835 km (0.108 R)
• M4: 2,412,116 km (0.102 R)
• M5: 2,866,594 km (0.09 R)
• M6: 3,397,517 km (0.114 R)
• M7: 4,566,026 km (0.111 R)
• M8: 8,086,962 km (0.082 R)
• M9: 9,607,175 km (0.116 R)
• M10: 10,114,462 km (0.051 R)
• M11: 12,784,036 km (0.078 R)
• M12: 13,737,273 km (0.048 R)
• M13: 16,327,710 km (0.117 R)
• M14: 19,847,299 km (0.102 R)
• M15: 20,415,771 km (0.061 R)
• M16: 21,059,939 km (0.106 R)
• M17: 22,186,262 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 8.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.48 AU - 5.76 AU

Year: 6514 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,335,255 km

• M1: 105,766 km (0.102 R)
• M2: 400,922 km (0.092 R)
• M3: 730,786 km (0.082 R)
• M4: 1,324,689 km (0.048 R)
• M5: 1,673,103 km (0.106 R)
• M6: 2,281,218 km (0.076 R)
• M7: 2,884,696 km (0.088 R)
• M8: 3,460,049 km (0.079 R)
• M9: 4,073,700 km (0.037 R)
• M10: 4,658,627 km (0.117 R)
• M11: 5,002,553 km (0.106 R)
• M12: 5,319,850 km (0.088 R)
• M13: 6,650,972 km (0.093 R)
• M14: 7,990,172 km (0.115 R)
• M15: 8,663,213 km (0.102 R)
• M16: 8,936,678 km (0.093 R)
• M17: 11,121,555 km (0.097 R)
• M18: 11,627,195 km (0.115 R)
• M19: 13,196,327 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 9.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.24 AU - 5.78 AU

Year: 8485 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,335,255 km

• M1: 113,694 km (0.07 R)
• M2: 471,682 km (0.113 R)
• M3: 840,441 km (0.025 R)
• M4: 1,433,746 km (0.12 R)
• M5: 2,361,103 km (0.091 R)
• M6: 2,684,085 km (0.11 R)
• M7: 3,036,538 km (0.094 R)
• M8: 3,749,671 km (0.066 R)
• M9: 4,033,308 km (0.064 R)
• M10: 4,945,706 km (0.11 R)
• M11: 11,705,734 km (0.036 R)
• M12: 16,250,069 km (0.036 R)
• M13: 19,554,087 km (0.109 R)
• M14: 19,880,959 km (0.088 R)
• M15: 22,130,911 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.6

Radius: 4

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.76 AU - 7.14 AU

Year: 12020 Days

Day: 16.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,335,255 km

• M1: 51,013 km (0.088 R)
• M2: 784,342 km (0.035 R)
• M3: 1,124,228 km (0.06 R)
• M4: 1,383,930 km (0.058 R)
• M5: 1,711,549 km (0.07 R)
• M6: 1,989,801 km (0.083 R)
• M7: 2,279,423 km (0.093 R)
• M8: 3,902,709 km (0.048 R)
• M9: 5,240,413 km (0.107 R)
• M10: 7,716,408 km (0.039 R)
• M11: 8,601,728 km (0.113 R)
• M12: 9,646,968 km (0.082 R)
• M13: 10,273,783 km (0.086 R)
• M14: 10,622,197 km (0.051 R)
• M15: 11,081,911 km (0.053 R)
• M16: 11,342,810 km (0.085 R)
• M17: 11,769,014 km (0.058 R)
• M18: 15,897,317 km (0.096 R)
• M19: 18,246,602 km (0.12 R)
• M20: 19,960,844 km (0.082 R)
• M21: 21,860,886 km (0.092 R)
• M22: 23,619,559 km (0.07 R)
• M23: 26,384,576 km (0.096 R)
• M24: 27,988,714 km (0.064 R)
• M25: 28,863,712 km (0.096 R)
• M26: 29,656,731 km (0.106 R)
• M27: 34,059,546 km (0.058 R)
• M28: 34,500,261 km (0.071 R)
• M29: 36,876,773 km (0.116 R)
• M30: 37,458,110 km (0.111 R)
• M31: 37,692,530 km (0.057 R)
• M32: 40,457,547 km (0.088 R)
• M33: 41,826,368 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.6

Radius: 4.3

Gravity: 45.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.47 AU - 11.49 AU

Year: 19148 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 81,335,255 km

• M1: 54,154 km (0.087 R)
• M2: 314,455 km (0.072 R)
• M3: 753,225 km (0.077 R)
• M4: 1,213,688 km (0.058 R)
• M5: 1,937,891 km (0.103 R)
• M6: 3,236,999 km (0.094 R)
• M7: 3,612,789 km (0.105 R)
• M8: 3,795,747 km (0.082 R)
• M9: 4,314,253 km (0.117 R)
• M10: 4,520,399 km (0.113 R)
• M11: 8,401,865 km (0.081 R)
• M12: 9,506,197 km (0.098 R)
• M13: 11,468,921 km (0.048 R)
• M14: 14,972,952 km (0.054 R)
• M15: 16,504,086 km (0.094 R)
• M16: 17,093,501 km (0.096 R)
• M17: 18,314,370 km (0.1 R)
• M18: 19,685,584 km (0.115 R)
• M19: 20,637,026 km (0.045 R)
• M20: 21,718,320 km (0.065 R)
• M21: 22,222,165 km (0.101 R)
• M22: 23,886,741 km (0.074 R)
• M23: 24,315,488 km (0.03 R)
• M24: 24,640,415 km (0.11 R)
• M25: 25,744,447 km (0.037 R)
• M26: 26,422,574 km (0.109 R)
• M27: 28,169,578 km (0.073 R)
• M28: 29,010,617 km (0.06 R)
• M29: 30,116,295 km (0.113 R)
• M30: 30,365,825 km (0.085 R)
• M31: 30,742,662 km (0.091 R)
• M32: 32,281,126 km (0.096 R)
• M33: 32,805,167 km (0.111 R)
• M34: 34,275,415 km (0.045 R)
• M35: 43,232,887 km (0.098 R)
• M36: 45,324,415 km (0.114 R)
• M37: 51,288,882 km (0.038 R)
• M38: 52,902,893 km (0.092 R)
• M39: 56,800,217 km (0.098 R)
• M40: 60,289,288 km (0.087 R)
• M41: 63,918,682 km (0.096 R)
• M42: 64,330,675 km (0.048 R)
• M43: 64,744,462 km (0.118 R)
• M44: 72,053,366 km (0.036 R)
• M45: 74,758,694 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 5.5

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.59 AU - 12.41 AU

Year: 22320 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,335,255 km

• M1: 68,366 km (0.099 R)
• M2: 376,987 km (0.05 R)
• M3: 933,790 km (0.101 R)
• M4: 1,833,322 km (0.063 R)
• M5: 2,112,621 km (0.095 R)
• M6: 2,936,157 km (0.116 R)
• M7: 4,020,144 km (0.086 R)
• M8: 4,634,093 km (0.086 R)
• M9: 6,574,826 km (0.109 R)
• M10: 7,038,281 km (0.087 R)
• M11: 7,424,542 km (0.101 R)
• M12: 7,824,866 km (0.079 R)
• M13: 8,239,402 km (0.093 R)
• M14: 9,055,907 km (0.11 R)
• M15: 12,030,661 km (0.116 R)
• M16: 12,582,677 km (0.094 R)
• M17: 13,886,273 km (0.059 R)
• M18: 14,263,858 km (0.069 R)
• M19: 15,924,544 km (0.029 R)
• M20: 16,338,182 km (0.085 R)
• M21: 17,100,682 km (0.083 R)
• M22: 19,249,805 km (0.063 R)
• M23: 19,530,451 km (0.116 R)
• M24: 20,004,377 km (0.112 R)
• M25: 21,073,852 km (0.103 R)
• M26: 26,303,644 km (0.095 R)
• M27: 27,823,708 km (0.085 R)
• M28: 36,881,111 km (0.06 R)
• M29: 38,337,895 km (0.092 R)
• M30: 41,365,756 km (0.118 R)
• M31: 44,876,369 km (0.116 R)
• M32: 47,892,412 km (0.117 R)
• M33: 48,753,497 km (0.063 R)
• M34: 52,665,482 km (0.097 R)
• M35: 55,638,440 km (0.101 R)
• M36: 68,432,648 km (0.115 R)
• M37: 69,086,541 km (0.071 R)
• M38: 75,391,343 km (0.108 R)
• M39: 76,088,768 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 11,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit