🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 10.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.49 AU - 0.55 AU

Year: 264 Days

Day: 13.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,727,185 km

• M1: 173,384 km (0.088 R)
• M2: 692,339 km (0.114 R)
• M3: 1,222,663 km (0.085 R)
• M4: 1,752,240 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 13.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.86 AU - 0.94 AU

Year: 600 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,727,185 km

• M1: 166,802 km (0.073 R)
• M2: 606,320 km (0.099 R)
• M3: 1,023,997 km (0.04 R)
• M4: 1,507,947 km (0.119 R)
• M5: 1,985,313 km (0.084 R)
• M6: 2,438,146 km (0.069 R)
• M7: 2,863,004 km (0.048 R)
• M8: 3,483,087 km (0.044 R)
• M9: 4,026,277 km (0.076 R)
• M10: 4,463,103 km (0.066 R)
• M11: 5,073,761 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 8.9

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.13 AU - 1.69 AU

Year: 1177 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,727,185 km

• M1: 110,702 km (0.091 R)
• M2: 480,808 km (0.101 R)
• M3: 1,175,989 km (0.098 R)
• M4: 1,631,664 km (0.04 R)
• M5: 1,935,796 km (0.07 R)
• M6: 2,389,228 km (0.096 R)
• M7: 2,809,448 km (0.091 R)
• M8: 3,112,085 km (0.086 R)
• M9: 3,584,365 km (0.04 R)
• M10: 3,957,312 km (0.052 R)
• M11: 4,494,967 km (0.055 R)
• M12: 5,511,784 km (0.11 R)
• M13: 6,954,057 km (0.119 R)
• M14: 8,742,350 km (0.117 R)
• M15: 9,595,507 km (0.105 R)
• M16: 10,224,865 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 14.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.45 AU - 2.19 AU

Year: 1726 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,727,185 km

• M1: 175,329 km (0.113 R)
• M2: 828,772 km (0.03 R)
• M3: 1,381,237 km (0.082 R)
• M4: 2,157,201 km (0.114 R)
• M5: 2,606,294 km (0.103 R)
• M6: 3,179,553 km (0.113 R)
• M7: 3,854,090 km (0.091 R)
• M8: 5,357,848 km (0.099 R)
• M9: 6,097,160 km (0.048 R)
• M10: 6,567,795 km (0.105 R)
• M11: 7,062,665 km (0.119 R)
• M12: 7,638,617 km (0.046 R)
• M13: 8,455,272 km (0.076 R)
• M14: 9,265,045 km (0.091 R)
• M15: 9,755,427 km (0.096 R)
• M16: 11,405,342 km (0.051 R)
• M17: 13,316,604 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 8.6

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.67 AU - 2.71 AU

Year: 3101 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,727,185 km

• M1: 106,962 km (0.074 R)
• M2: 390,450 km (0.074 R)
• M3: 675,584 km (0.062 R)
• M4: 1,301,352 km (0.084 R)
• M5: 1,609,224 km (0.069 R)
• M6: 2,513,244 km (0.118 R)
• M7: 3,122,108 km (0.073 R)
• M8: 3,931,582 km (0.102 R)
• M9: 4,215,668 km (0.114 R)
• M10: 5,125,672 km (0.087 R)
• M11: 5,709,403 km (0.091 R)
• M12: 6,277,725 km (0.105 R)
• M13: 8,823,582 km (0.098 R)
• M14: 9,428,107 km (0.117 R)
• M15: 9,859,397 km (0.112 R)
• M16: 10,140,641 km (0.041 R)
• M17: 12,355,139 km (0.119 R)
• M18: 13,748,643 km (0.105 R)
• M19: 14,303,651 km (0.034 R)
• M20: 16,392,486 km (0.042 R)
• M21: 20,572,250 km (0.104 R)
• M22: 21,032,413 km (0.118 R)
• M23: 22,871,719 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 13.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.44 AU - 3.04 AU

Year: 3188 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,727,185 km

• M1: 170,392 km (0.075 R)
• M2: 810,072 km (0.069 R)
• M3: 1,639,144 km (0.117 R)
• M4: 2,407,778 km (0.077 R)
• M5: 3,103,408 km (0.095 R)
• M6: 3,632,685 km (0.104 R)
• M7: 4,179,465 km (0.104 R)
• M8: 4,780,998 km (0.104 R)
• M9: 5,594,362 km (0.102 R)
• M10: 6,158,795 km (0.108 R)
• M11: 7,497,247 km (0.04 R)
• M12: 8,083,970 km (0.116 R)
• M13: 9,498,268 km (0.075 R)
• M14: 10,147,074 km (0.088 R)
• M15: 12,858,685 km (0.058 R)
• M16: 14,431,108 km (0.104 R)
• M17: 15,968,825 km (0.091 R)
• M18: 18,535,027 km (0.108 R)
• M19: 20,663,804 km (0.042 R)
• M20: 21,236,615 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.9

Radius: 9.6

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.37 AU - 4.83 AU

Year: 5836 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,727,185 km

• M1: 122,371 km (0.117 R)
• M2: 515,813 km (0.097 R)
• M3: 891,603 km (0.094 R)
• M4: 1,511,537 km (0.116 R)
• M5: 1,999,076 km (0.112 R)
• M6: 3,063,914 km (0.077 R)
• M7: 4,315,001 km (0.102 R)
• M8: 5,630,116 km (0.09 R)
• M9: 6,770,351 km (0.064 R)
• M10: 9,157,484 km (0.084 R)
• M11: 9,765,599 km (0.085 R)
• M12: 12,005,678 km (0.078 R)
• M13: 12,628,304 km (0.06 R)
• M14: 12,947,696 km (0.107 R)
• M15: 13,547,284 km (0.061 R)
• M16: 13,882,084 km (0.109 R)
• M17: 14,452,201 km (0.09 R)
• M18: 16,008,019 km (0.045 R)
• M19: 16,382,313 km (0.042 R)
• M20: 18,683,577 km (0.108 R)
• M21: 22,024,995 km (0.097 R)
• M22: 23,195,449 km (0.065 R)
• M23: 23,998,490 km (0.078 R)
• M24: 25,915,737 km (0.106 R)
• M25: 27,664,087 km (0.104 R)
• M26: 29,026,026 km (0.078 R)
• M27: 32,079,767 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.1

Radius: 3.1

Gravity: 38.1 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.29 AU - 8.81 AU

Year: 13158 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,727,185 km

• M1: 38,596 km (0.046 R)
• M2: 252,072 km (0.117 R)
• M3: 446,550 km (0.035 R)
• M4: 708,196 km (0.095 R)
• M5: 849,417 km (0.097 R)
• M6: 967,449 km (0.098 R)
• M7: 1,096,403 km (0.086 R)
• M8: 1,511,238 km (0.057 R)
• M9: 2,326,696 km (0.098 R)
• M10: 2,958,747 km (0.105 R)
• M11: 3,208,276 km (0.103 R)
• M12: 3,853,641 km (0.057 R)
• M13: 4,068,613 km (0.067 R)
• M14: 5,008,686 km (0.06 R)
• M15: 7,225,278 km (0.118 R)
• M16: 7,428,282 km (0.105 R)
• M17: 7,676,914 km (0.116 R)
• M18: 8,190,783 km (0.09 R)
• M19: 9,191,592 km (0.056 R)
• M20: 10,322,253 km (0.114 R)
• M21: 10,424,728 km (0.053 R)
• M22: 10,683,981 km (0.102 R)
• M23: 11,269,357 km (0.106 R)
• M24: 12,044,873 km (0.077 R)
• M25: 13,273,969 km (0.05 R)
• M26: 14,138,196 km (0.086 R)
• M27: 15,570,894 km (0.11 R)
• M28: 19,648,932 km (0.116 R)
• M29: 20,525,576 km (0.11 R)
• M30: 21,511,426 km (0.116 R)
• M31: 21,762,750 km (0.069 R)
• M32: 26,054,414 km (0.089 R)
• M33: 30,770,936 km (0.075 R)
• M34: 31,090,028 km (0.053 R)
• M35: 39,926,176 km (0.109 R)
• M36: 44,504,170 km (0.087 R)
• M37: 45,322,620 km (0.045 R)
• M38: 45,735,510 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.7

Radius: 6.5

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.69 AU - 8.99 AU

Year: 13978 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,727,185 km

• M1: 81,531 km (0.106 R)
• M2: 400,174 km (0.114 R)
• M3: 680,371 km (0.035 R)
• M4: 1,112,260 km (0.116 R)
• M5: 1,357,002 km (0.092 R)
• M6: 1,939,686 km (0.084 R)
• M7: 2,512,347 km (0.063 R)
• M8: 2,960,542 km (0.115 R)
• M9: 3,361,165 km (0.094 R)
• M10: 3,587,656 km (0.026 R)
• M11: 4,628,109 km (0.107 R)
• M12: 4,845,625 km (0.119 R)
• M13: 5,436,387 km (0.079 R)
• M14: 7,163,793 km (0.108 R)
• M15: 7,582,817 km (0.101 R)
• M16: 9,130,556 km (0.12 R)
• M17: 9,424,067 km (0.085 R)
• M18: 12,003,434 km (0.067 R)
• M19: 12,654,633 km (0.091 R)
• M20: 14,616,759 km (0.078 R)
• M21: 16,197,410 km (0.047 R)
• M22: 22,669,912 km (0.096 R)
• M23: 23,755,543 km (0.107 R)
• M24: 24,592,095 km (0.094 R)
• M25: 27,320,461 km (0.06 R)
• M26: 33,139,668 km (0.118 R)
• M27: 35,368,826 km (0.104 R)
• M28: 35,729,806 km (0.083 R)
• M29: 40,516,190 km (0.067 R)
• M30: 42,789,329 km (0.055 R)
• M31: 46,572,061 km (0.059 R)
• M32: 50,877,039 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.8

Radius: 4.8

Gravity: 26.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.87 AU - 9.11 AU

Year: 14409 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,727,185 km

• M1: 59,690 km (0.025 R)
• M2: 242,349 km (0.105 R)
• M3: 401,820 km (0.079 R)
• M4: 911,949 km (0.111 R)
• M5: 1,176,438 km (0.113 R)
• M6: 1,490,593 km (0.113 R)
• M7: 2,055,176 km (0.097 R)
• M8: 3,786,322 km (0.104 R)
• M9: 4,222,549 km (0.08 R)
• M10: 6,034,778 km (0.095 R)
• M11: 6,189,761 km (0.091 R)
• M12: 6,547,899 km (0.059 R)
• M13: 6,835,875 km (0.085 R)
• M14: 7,887,847 km (0.08 R)
• M15: 10,035,025 km (0.079 R)
• M16: 10,529,147 km (0.115 R)
• M17: 16,097,030 km (0.063 R)
• M18: 19,082,256 km (0.095 R)
• M19: 20,269,016 km (0.114 R)
• M20: 24,514,154 km (0.083 R)
• M21: 28,439,303 km (0.063 R)
• M22: 29,760,851 km (0.101 R)
• M23: 29,984,948 km (0.101 R)
• M24: 35,961,832 km (0.057 R)
• M25: 36,343,756 km (0.102 R)
• M26: 39,497,279 km (0.111 R)
• M27: 42,260,650 km (0.057 R)
• M28: 42,685,957 km (0.07 R)
• M29: 44,269,750 km (0.108 R)
• M30: 47,401,731 km (0.072 R)
• M31: 48,943,636 km (0.109 R)
• M32: 49,099,667 km (0.066 R)
• M33: 49,412,625 km (0.117 R)
• M34: 50,359,730 km (0.09 R)
• M35: 51,964,915 km (0.116 R)
• M36: 55,446,207 km (0.085 R)
• M37: 55,785,794 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 19,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit