🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 12.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.67 AU - 0.87 AU

Year: 458 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,284,690 km

• M1: 160,369 km (0.115 R)
• M2: 563,236 km (0.05 R)
• M3: 1,146,967 km (0.067 R)
• M4: 1,746,854 km (0.086 R)
• M5: 2,296,327 km (0.085 R)
• M6: 2,914,466 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 9.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.65 AU - 0.91 AU

Year: 467 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,284,690 km

• M1: 115,639 km (0.111 R)
• M2: 423,063 km (0.087 R)
• M3: 776,263 km (0.115 R)
• M4: 1,194,689 km (0.119 R)
• M5: 1,848,282 km (0.08 R)
• M6: 2,281,816 km (0.078 R)
• M7: 3,155,617 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 11.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.04 AU - 1.08 AU

Year: 740 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,284,690 km

• M1: 144,661 km (0.083 R)
• M2: 587,620 km (0.042 R)
• M3: 1,250,638 km (0.1 R)
• M4: 1,670,111 km (0.093 R)
• M5: 2,643,095 km (0.041 R)
• M6: 3,249,415 km (0.102 R)
• M7: 3,716,909 km (0.073 R)
• M8: 4,128,752 km (0.096 R)
• M9: 4,996,270 km (0.095 R)
• M10: 5,926,320 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 13.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.25 AU - 2.71 AU

Year: 2649 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 148.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,284,690 km

• M1: 169,345 km (0.114 R)
• M2: 860,038 km (0.111 R)
• M3: 1,308,682 km (0.092 R)
• M4: 1,837,211 km (0.049 R)
• M5: 2,326,097 km (0.066 R)
• M6: 3,233,708 km (0.075 R)
• M7: 3,955,517 km (0.06 R)
• M8: 4,408,500 km (0.048 R)
• M9: 5,273,774 km (0.076 R)
• M10: 6,414,009 km (0.057 R)
• M11: 8,063,026 km (0.114 R)
• M12: 9,357,197 km (0.115 R)
• M13: 10,628,929 km (0.118 R)
• M14: 12,616,336 km (0.098 R)
• M15: 14,119,496 km (0.113 R)
• M16: 16,462,198 km (0.113 R)
• M17: 17,479,015 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 14

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.23 AU - 3.87 AU

Year: 4537 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,284,690 km

• M1: 174,730 km (0.038 R)
• M2: 727,046 km (0.12 R)
• M3: 1,280,558 km (0.1 R)
• M4: 1,822,551 km (0.096 R)
• M5: 3,420,855 km (0.103 R)
• M6: 4,553,161 km (0.113 R)
• M7: 5,556,514 km (0.119 R)
• M8: 6,111,223 km (0.107 R)
• M9: 6,644,689 km (0.072 R)
• M10: 8,265,881 km (0.101 R)
• M11: 9,061,891 km (0.079 R)
• M12: 9,870,468 km (0.058 R)
• M13: 10,527,950 km (0.093 R)
• M14: 13,407,709 km (0.074 R)
• M15: 14,118,149 km (0.112 R)
• M16: 14,556,471 km (0.036 R)
• M17: 15,562,966 km (0.072 R)
• M18: 16,669,392 km (0.082 R)
• M19: 17,883,977 km (0.087 R)
• M20: 19,334,926 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 11

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.69 AU - 6.39 AU

Year: 8844 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,284,690 km

• M1: 145,708 km (0.073 R)
• M2: 908,508 km (0.117 R)
• M3: 1,574,518 km (0.116 R)
• M4: 2,194,750 km (0.12 R)
• M5: 2,700,990 km (0.118 R)
• M6: 3,125,100 km (0.074 R)
• M7: 3,819,682 km (0.087 R)
• M8: 4,761,700 km (0.108 R)
• M9: 5,129,113 km (0.103 R)
• M10: 6,238,680 km (0.089 R)
• M11: 6,604,596 km (0.041 R)
• M12: 7,873,635 km (0.108 R)
• M13: 8,881,626 km (0.114 R)
• M14: 9,440,673 km (0.101 R)
• M15: 11,259,633 km (0.119 R)
• M16: 12,195,218 km (0.106 R)
• M17: 13,481,910 km (0.025 R)
• M18: 15,313,736 km (0.112 R)
• M19: 18,326,936 km (0.103 R)
• M20: 18,776,777 km (0.119 R)
• M21: 20,569,408 km (0.057 R)
• M22: 20,973,621 km (0.096 R)
• M23: 23,512,148 km (0.064 R)
• M24: 24,132,680 km (0.109 R)
• M25: 27,303,407 km (0.114 R)
• M26: 28,686,140 km (0.027 R)
• M27: 31,483,919 km (0.107 R)
• M28: 32,455,557 km (0.065 R)
• M29: 37,736,512 km (0.106 R)
• M30: 39,202,870 km (0.107 R)
• M31: 44,499,682 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.9

Radius: 7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.68 AU - 7.6 AU

Year: 10319 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,284,690 km

• M1: 88,562 km (0.078 R)
• M2: 311,912 km (0.115 R)
• M3: 719,416 km (0.079 R)
• M4: 2,868,090 km (0.085 R)
• M5: 4,351,503 km (0.082 R)
• M6: 5,402,129 km (0.097 R)
• M7: 8,692,384 km (0.108 R)
• M8: 9,388,613 km (0.055 R)
• M9: 11,555,239 km (0.079 R)
• M10: 13,224,901 km (0.119 R)
• M11: 16,847,563 km (0.058 R)
• M12: 21,445,304 km (0.077 R)
• M13: 23,249,454 km (0.113 R)
• M14: 26,730,447 km (0.089 R)
• M15: 27,500,577 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.7

Radius: 5.1

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.57 AU - 7.89 AU

Year: 11842 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,284,690 km

• M1: 128,953 km (0.096 R)
• M2: 474,824 km (0.089 R)
• M3: 818,450 km (0.099 R)
• M4: 1,847,982 km (0.086 R)
• M5: 2,650,725 km (0.064 R)
• M6: 4,972,334 km (0.104 R)
• M7: 5,731,244 km (0.084 R)
• M8: 6,103,743 km (0.058 R)
• M9: 6,674,010 km (0.107 R)
• M10: 7,201,641 km (0.086 R)
• M11: 9,876,451 km (0.044 R)
• M12: 10,214,842 km (0.109 R)
• M13: 11,224,179 km (0.086 R)
• M14: 14,217,782 km (0.099 R)
• M15: 14,899,649 km (0.109 R)
• M16: 17,845,530 km (0.088 R)
• M17: 19,529,852 km (0.114 R)
• M18: 21,638,883 km (0.107 R)
• M19: 23,380,801 km (0.115 R)
• M20: 26,211,342 km (0.1 R)
• M21: 28,091,787 km (0.111 R)
• M22: 34,600,192 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 3.5

Gravity: 63.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.05 AU - 7.57 AU

Year: 12053 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,284,690 km

• M1: 43,533 km (0.07 R)
• M2: 176,675 km (0.108 R)
• M3: 368,160 km (0.051 R)
• M4: 517,010 km (0.098 R)
• M5: 835,803 km (0.101 R)
• M6: 1,602,642 km (0.09 R)
• M7: 2,152,564 km (0.086 R)
• M8: 3,125,100 km (0.062 R)
• M9: 3,916,323 km (0.074 R)
• M10: 4,031,064 km (0.108 R)
• M11: 4,207,440 km (0.096 R)
• M12: 4,735,072 km (0.112 R)
• M13: 4,931,494 km (0.063 R)
• M14: 6,110,026 km (0.118 R)
• M15: 9,257,266 km (0.117 R)
• M16: 9,720,421 km (0.114 R)
• M17: 15,092,032 km (0.119 R)
• M18: 15,877,570 km (0.077 R)
• M19: 18,638,997 km (0.101 R)
• M20: 18,882,542 km (0.068 R)
• M21: 20,303,273 km (0.12 R)
• M22: 20,908,397 km (0.1 R)
• M23: 21,348,065 km (0.074 R)
• M24: 22,245,503 km (0.105 R)
• M25: 23,167,923 km (0.092 R)
• M26: 24,501,738 km (0.111 R)
• M27: 25,485,194 km (0.082 R)
• M28: 26,699,779 km (0.112 R)
• M29: 28,593,090 km (0.117 R)
• M30: 29,352,897 km (0.091 R)
• M31: 30,237,619 km (0.066 R)
• M32: 33,593,847 km (0.076 R)
• M33: 38,882,282 km (0.118 R)
• M34: 39,814,426 km (0.113 R)
• M35: 42,000,649 km (0.112 R)
• M36: 42,840,641 km (0.074 R)
• M37: 44,844,206 km (0.065 R)
• M38: 46,909,404 km (0.083 R)
• M39: 51,387,018 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.7

Radius: 5.2

Gravity: 32.79 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.55 AU - 9.09 AU

Year: 16277 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 71.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,284,690 km

• M1: 64,626 km (0.103 R)
• M2: 354,996 km (0.095 R)
• M3: 544,536 km (0.096 R)
• M4: 1,113,756 km (0.066 R)
• M5: 1,701,526 km (0.106 R)
• M6: 2,014,635 km (0.118 R)
• M7: 3,842,721 km (0.105 R)
• M8: 4,448,293 km (0.076 R)
• M9: 9,701,123 km (0.119 R)
• M10: 12,344,367 km (0.076 R)
• M11: 13,229,239 km (0.118 R)
• M12: 13,722,912 km (0.091 R)
• M13: 15,586,303 km (0.105 R)
• M14: 16,057,387 km (0.065 R)
• M15: 16,618,977 km (0.105 R)
• M16: 21,591,909 km (0.106 R)
• M17: 22,078,851 km (0.109 R)
• M18: 23,176,001 km (0.074 R)
• M19: 23,379,305 km (0.077 R)
• M20: 24,518,941 km (0.119 R)
• M21: 24,836,089 km (0.065 R)
• M22: 26,132,055 km (0.053 R)
• M23: 29,927,204 km (0.114 R)
• M24: 33,164,053 km (0.098 R)
• M25: 33,681,961 km (0.076 R)
• M26: 34,601,090 km (0.11 R)
• M27: 36,902,803 km (0.107 R)
• M28: 38,730,290 km (0.073 R)
• M29: 41,359,174 km (0.1 R)
• M30: 51,840,449 km (0.063 R)
• M31: 54,667,251 km (0.104 R)
• M32: 57,595,031 km (0.062 R)
• M33: 61,789,007 km (0.09 R)
• M34: 62,376,179 km (0.034 R)
• M35: 63,960,270 km (0.109 R)
• M36: 68,454,639 km (0.066 R)
• M37: 69,504,517 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 15,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit