🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 11

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.68 AU - 0.88 AU

Year: 459 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,899,416 km

• M1: 136,732 km (0.054 R)
• M2: 609,163 km (0.068 R)
• M3: 1,005,746 km (0.066 R)
• M4: 1,504,506 km (0.108 R)
• M5: 1,901,389 km (0.114 R)
• M6: 2,335,073 km (0.113 R)
• M7: 2,758,884 km (0.059 R)
• M8: 3,213,063 km (0.101 R)
• M9: 3,580,475 km (0.112 R)
• M10: 3,976,162 km (0.087 R)
• M11: 4,439,915 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 10.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.74 AU - 0.9 AU

Year: 495 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,899,416 km

• M1: 135,685 km (0.1 R)
• M2: 533,017 km (0.052 R)
• M3: 946,506 km (0.034 R)
• M4: 1,299,407 km (0.041 R)
• M5: 2,117,109 km (0.09 R)
• M6: 2,631,127 km (0.076 R)
• M7: 4,519,651 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 12.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.81 AU - 0.91 AU

Year: 532 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,899,416 km

• M1: 162,463 km (0.072 R)
• M2: 616,343 km (0.065 R)
• M3: 1,072,617 km (0.12 R)
• M4: 1,527,245 km (0.075 R)
• M5: 1,961,378 km (0.051 R)
• M6: 2,479,136 km (0.112 R)
• M7: 2,981,336 km (0.091 R)
• M8: 4,178,867 km (0.11 R)
• M9: 4,589,962 km (0.104 R)
• M10: 5,061,943 km (0.035 R)
• M11: 5,566,238 km (0.08 R)
• M12: 6,180,786 km (0.081 R)
• M13: 6,881,652 km (0.1 R)
• M14: 7,392,528 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 14.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.79 AU - 2.03 AU

Year: 1760 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,899,416 km

• M1: 178,919 km (0.061 R)
• M2: 1,131,708 km (0.101 R)
• M3: 3,255,998 km (0.117 R)
• M4: 4,174,977 km (0.068 R)
• M5: 4,658,777 km (0.078 R)
• M6: 5,280,805 km (0.115 R)
• M7: 9,262,951 km (0.117 R)
• M8: 10,059,858 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.2 AU - 2.44 AU

Year: 2356 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,899,416 km

• M1: 147,952 km (0.066 R)
• M2: 581,936 km (0.108 R)
• M3: 1,283,101 km (0.118 R)
• M4: 2,045,152 km (0.059 R)
• M5: 2,535,834 km (0.118 R)
• M6: 3,028,908 km (0.118 R)
• M7: 3,535,297 km (0.065 R)
• M8: 4,042,583 km (0.117 R)
• M9: 4,760,204 km (0.076 R)
• M10: 5,139,136 km (0.106 R)
• M11: 6,474,745 km (0.097 R)
• M12: 7,683,347 km (0.103 R)
• M13: 8,058,987 km (0.068 R)
• M14: 8,785,135 km (0.111 R)
• M15: 10,367,880 km (0.072 R)
• M16: 12,965,348 km (0.076 R)
• M17: 13,962,568 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 9.9

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.85 AU - 3.99 AU

Year: 5176 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,899,416 km

• M1: 123,119 km (0.112 R)
• M2: 444,006 km (0.051 R)
• M3: 800,797 km (0.115 R)
• M4: 1,411,905 km (0.093 R)
• M5: 2,074,773 km (0.089 R)
• M6: 3,150,830 km (0.117 R)
• M7: 4,537,453 km (0.094 R)
• M8: 4,857,742 km (0.075 R)
• M9: 5,221,714 km (0.076 R)
• M10: 5,634,155 km (0.09 R)
• M11: 6,391,868 km (0.095 R)
• M12: 6,727,117 km (0.119 R)
• M13: 8,148,147 km (0.034 R)
• M14: 8,502,844 km (0.109 R)
• M15: 10,664,234 km (0.071 R)
• M16: 11,329,795 km (0.117 R)
• M17: 12,379,673 km (0.118 R)
• M18: 12,955,026 km (0.084 R)
• M19: 13,602,785 km (0.117 R)
• M20: 15,918,859 km (0.114 R)
• M21: 16,662,061 km (0.107 R)
• M22: 17,558,152 km (0.09 R)
• M23: 18,757,030 km (0.051 R)
• M24: 20,223,837 km (0.068 R)
• M25: 21,765,593 km (0.094 R)
• M26: 23,542,516 km (0.102 R)
• M27: 24,507,123 km (0.111 R)
• M28: 25,497,760 km (0.098 R)
• M29: 27,120,598 km (0.026 R)
• M30: 30,570,774 km (0.071 R)
• M31: 31,912,517 km (0.08 R)
• M32: 33,593,997 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.4

Radius: 3.9

Gravity: 61.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.86 AU - 7.44 AU

Year: 11436 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 89,899,416 km

• M1: 48,619 km (0.117 R)
• M2: 207,642 km (0.098 R)
• M3: 338,540 km (0.062 R)
• M4: 754,272 km (0.119 R)
• M5: 1,164,919 km (0.092 R)
• M6: 1,583,493 km (0.04 R)
• M7: 2,021,217 km (0.084 R)
• M8: 2,409,573 km (0.06 R)
• M9: 2,643,394 km (0.039 R)
• M10: 3,873,089 km (0.104 R)
• M11: 4,134,436 km (0.102 R)
• M12: 4,315,151 km (0.085 R)
• M13: 5,476,030 km (0.058 R)
• M14: 5,842,694 km (0.062 R)
• M15: 6,147,575 km (0.074 R)
• M16: 7,924,947 km (0.115 R)
• M17: 8,634,789 km (0.104 R)
• M18: 10,677,249 km (0.091 R)
• M19: 11,248,563 km (0.086 R)
• M20: 12,451,928 km (0.071 R)
• M21: 15,467,971 km (0.028 R)
• M22: 16,875,687 km (0.094 R)
• M23: 20,983,794 km (0.095 R)
• M24: 21,160,619 km (0.105 R)
• M25: 22,612,017 km (0.094 R)
• M26: 23,552,090 km (0.102 R)
• M27: 28,863,114 km (0.108 R)
• M28: 30,758,818 km (0.091 R)
• M29: 30,987,105 km (0.098 R)
• M30: 31,447,118 km (0.09 R)
• M31: 31,795,232 km (0.099 R)
• M32: 35,168,066 km (0.082 R)
• M33: 35,417,745 km (0.063 R)
• M34: 36,300,821 km (0.092 R)
• M35: 39,709,708 km (0.116 R)
• M36: 47,003,950 km (0.084 R)
• M37: 48,223,472 km (0.071 R)
• M38: 55,478,819 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 5.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.16 AU - 8.16 AU

Year: 12776 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,899,416 km

• M1: 190,737 km (0.096 R)
• M2: 473,328 km (0.116 R)
• M3: 668,553 km (0.053 R)
• M4: 4,021,939 km (0.111 R)
• M5: 5,102,335 km (0.115 R)
• M6: 6,666,081 km (0.087 R)
• M7: 7,263,425 km (0.088 R)
• M8: 11,323,212 km (0.086 R)
• M9: 12,326,266 km (0.069 R)
• M10: 13,009,031 km (0.075 R)
• M11: 16,805,675 km (0.075 R)
• M12: 18,511,091 km (0.081 R)
• M13: 22,647,023 km (0.06 R)
• M14: 24,804,973 km (0.073 R)
• M15: 25,976,174 km (0.11 R)
• M16: 31,607,936 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.6

Radius: 7.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7 AU - 8.18 AU

Year: 13944 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,899,416 km

• M1: 100,829 km (0.105 R)
• M2: 685,906 km (0.09 R)
• M3: 972,835 km (0.08 R)
• M4: 1,528,890 km (0.108 R)
• M5: 2,064,002 km (0.092 R)
• M6: 2,492,600 km (0.08 R)
• M7: 3,024,570 km (0.108 R)
• M8: 5,047,283 km (0.089 R)
• M9: 6,682,686 km (0.037 R)
• M10: 7,922,853 km (0.079 R)
• M11: 9,957,982 km (0.08 R)
• M12: 13,099,687 km (0.111 R)
• M13: 16,629,449 km (0.066 R)
• M14: 17,508,486 km (0.085 R)
• M15: 18,650,516 km (0.112 R)
• M16: 23,992,357 km (0.067 R)
• M17: 25,591,259 km (0.086 R)
• M18: 29,737,514 km (0.105 R)
• M19: 30,164,466 km (0.113 R)
• M20: 31,140,293 km (0.054 R)
• M21: 36,824,862 km (0.111 R)
• M22: 37,814,153 km (0.116 R)
• M23: 40,364,797 km (0.069 R)
• M24: 48,997,342 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.1

Radius: 6.8

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.04 AU - 11.84 AU

Year: 22495 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,899,416 km

• M1: 85,720 km (0.067 R)
• M2: 369,806 km (0.092 R)
• M3: 635,043 km (0.092 R)
• M4: 2,014,186 km (0.052 R)
• M5: 2,320,712 km (0.104 R)
• M6: 2,607,940 km (0.113 R)
• M7: 3,371,338 km (0.116 R)
• M8: 4,633,944 km (0.088 R)
• M9: 5,051,920 km (0.117 R)
• M10: 5,875,905 km (0.103 R)
• M11: 9,290,925 km (0.098 R)
• M12: 13,607,871 km (0.068 R)
• M13: 19,003,567 km (0.093 R)
• M14: 19,291,244 km (0.103 R)
• M15: 20,976,314 km (0.076 R)
• M16: 21,283,439 km (0.104 R)
• M17: 40,452,311 km (0.064 R)
• M18: 46,589,115 km (0.108 R)
• M19: 55,632,307 km (0.085 R)
• M20: 61,290,846 km (0.087 R)
• M21: 63,401,223 km (0.083 R)
• M22: 73,971,360 km (0.1 R)
• M23: 75,639,675 km (0.149 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 18,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit