🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469

Radius: 12.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.05 AU - 1.25 AU

Year: 867 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,138,238 km

• M1: 160,519 km (0.05 R)
• M2: 578,196 km (0.076 R)
• M3: 1,024,596 km (0.091 R)
• M4: 1,852,470 km (0.036 R)
• M5: 2,347,939 km (0.114 R)
• M6: 2,861,059 km (0.044 R)
• M7: 3,597,380 km (0.038 R)
• M8: 4,253,067 km (0.1 R)
• M9: 4,901,574 km (0.054 R)
• M10: 5,633,856 km (0.058 R)
• M11: 6,036,573 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 8.1

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.39 AU - 1.71 AU

Year: 1356 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,138,238 km

• M1: 100,829 km (0.071 R)
• M2: 413,638 km (0.117 R)
• M3: 805,585 km (0.103 R)
• M4: 1,369,569 km (0.119 R)
• M5: 1,673,402 km (0.112 R)
• M6: 1,948,512 km (0.108 R)
• M7: 2,826,353 km (0.07 R)
• M8: 3,323,765 km (0.118 R)
• M9: 3,713,767 km (0.081 R)
• M10: 4,795,061 km (0.101 R)
• M11: 5,545,593 km (0.072 R)
• M12: 5,805,145 km (0.097 R)
• M13: 6,141,142 km (0.081 R)
• M14: 6,537,427 km (0.073 R)
• M15: 7,563,818 km (0.062 R)
• M16: 7,937,813 km (0.083 R)
• M17: 8,550,416 km (0.082 R)
• M18: 9,224,205 km (0.069 R)
• M19: 10,316,568 km (0.109 R)
• M20: 10,743,670 km (0.104 R)
• M21: 11,597,874 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.7

Radius: 14.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.73 AU - 2.21 AU

Year: 1944 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,138,238 km

• M1: 181,761 km (0.104 R)
• M2: 769,831 km (0.104 R)
• M3: 1,611,019 km (0.079 R)
• M4: 2,384,440 km (0.088 R)
• M5: 2,939,748 km (0.107 R)
• M6: 3,429,082 km (0.041 R)
• M7: 4,354,644 km (0.053 R)
• M8: 5,170,402 km (0.098 R)
• M9: 6,675,356 km (0.071 R)
• M10: 7,820,528 km (0.095 R)
• M11: 9,389,959 km (0.116 R)
• M12: 11,578,726 km (0.062 R)
• M13: 12,245,184 km (0.117 R)
• M14: 13,654,994 km (0.114 R)
• M15: 15,683,990 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 9.1

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.14 AU - 2.38 AU

Year: 2388 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,138,238 km

• M1: 114,442 km (0.109 R)
• M2: 425,157 km (0.119 R)
• M3: 752,028 km (0.105 R)
• M4: 1,269,787 km (0.104 R)
• M5: 1,774,081 km (0.028 R)
• M6: 2,086,292 km (0.112 R)
• M7: 2,379,055 km (0.119 R)
• M8: 2,745,420 km (0.108 R)
• M9: 3,048,954 km (0.095 R)
• M10: 3,357,126 km (0.095 R)
• M11: 3,956,864 km (0.109 R)
• M12: 4,473,724 km (0.067 R)
• M13: 4,760,055 km (0.109 R)
• M14: 5,369,516 km (0.12 R)
• M15: 6,189,911 km (0.117 R)
• M16: 7,360,365 km (0.117 R)
• M17: 8,739,956 km (0.087 R)
• M18: 9,580,996 km (0.05 R)
• M19: 10,133,461 km (0.049 R)
• M20: 11,877,173 km (0.034 R)
• M21: 13,445,557 km (0.069 R)
• M22: 13,904,823 km (0.058 R)
• M23: 15,999,492 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 13.2

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.11 AU - 4.57 AU

Year: 5289 Days

Day: 11.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,138,238 km

• M1: 164,109 km (0.099 R)
• M2: 651,648 km (0.1 R)
• M3: 1,214,136 km (0.071 R)
• M4: 2,068,340 km (0.068 R)
• M5: 2,480,482 km (0.065 R)
• M6: 3,537,541 km (0.118 R)
• M7: 4,251,871 km (0.118 R)
• M8: 4,849,215 km (0.052 R)
• M9: 5,999,323 km (0.068 R)
• M10: 7,186,682 km (0.117 R)
• M11: 9,478,222 km (0.076 R)
• M12: 10,589,584 km (0.118 R)
• M13: 11,786,218 km (0.111 R)
• M14: 12,968,939 km (0.097 R)
• M15: 15,001,226 km (0.059 R)
• M16: 15,627,293 km (0.084 R)
• M17: 18,565,395 km (0.092 R)
• M18: 19,824,111 km (0.053 R)
• M19: 22,437,586 km (0.093 R)
• M20: 23,332,331 km (0.108 R)
• M21: 24,562,325 km (0.048 R)
• M22: 25,754,171 km (0.111 R)
• M23: 29,917,031 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.4

Radius: 7.5

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.91 AU - 6.25 AU

Year: 9265 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,138,238 km

• M1: 96,191 km (0.083 R)
• M2: 433,834 km (0.112 R)
• M3: 683,213 km (0.046 R)
• M4: 1,161,627 km (0.113 R)
• M5: 1,593,068 km (0.072 R)
• M6: 2,775,489 km (0.098 R)
• M7: 3,450,774 km (0.087 R)
• M8: 4,286,727 km (0.037 R)
• M9: 4,662,517 km (0.053 R)
• M10: 4,935,383 km (0.101 R)
• M11: 5,613,810 km (0.09 R)
• M12: 5,958,034 km (0.084 R)
• M13: 7,895,028 km (0.099 R)
• M14: 8,152,635 km (0.077 R)
• M15: 10,523,612 km (0.066 R)
• M16: 10,994,546 km (0.063 R)
• M17: 12,783,288 km (0.102 R)
• M18: 14,372,765 km (0.11 R)
• M19: 15,281,273 km (0.073 R)
• M20: 16,574,696 km (0.108 R)
• M21: 17,355,896 km (0.066 R)
• M22: 18,535,924 km (0.112 R)
• M23: 20,646,900 km (0.104 R)
• M24: 21,970,841 km (0.085 R)
• M25: 22,739,924 km (0.068 R)
• M26: 26,567,684 km (0.109 R)
• M27: 27,050,137 km (0.113 R)
• M28: 31,983,875 km (0.102 R)
• M29: 32,971,221 km (0.087 R)
• M30: 34,092,008 km (0.107 R)
• M31: 37,004,679 km (0.116 R)
• M32: 41,613,490 km (0.045 R)
• M33: 43,452,796 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.2

Radius: 3.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.08 AU - 6.72 AU

Year: 10074 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,138,238 km

• M1: 52,359 km (0.036 R)
• M2: 235,467 km (0.091 R)
• M3: 749,186 km (0.078 R)
• M4: 967,898 km (0.104 R)
• M5: 3,985,736 km (0.076 R)
• M6: 4,162,112 km (0.086 R)
• M7: 5,737,378 km (0.087 R)
• M8: 10,742,174 km (0.118 R)
• M9: 11,565,561 km (0.072 R)
• M10: 20,687,890 km (0.083 R)
• M11: 24,432,175 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.4

Radius: 3.8

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.67 AU - 7.37 AU

Year: 11703 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 53,138,238 km

• M1: 47,273 km (0.071 R)
• M2: 353,949 km (0.05 R)
• M3: 520,451 km (0.115 R)
• M4: 783,444 km (0.108 R)
• M5: 1,754,484 km (0.104 R)
• M6: 2,096,016 km (0.097 R)
• M7: 3,215,157 km (0.079 R)
• M8: 4,406,106 km (0.096 R)
• M9: 4,681,516 km (0.104 R)
• M10: 5,199,723 km (0.107 R)
• M11: 5,790,934 km (0.111 R)
• M12: 6,860,558 km (0.086 R)
• M13: 7,441,896 km (0.089 R)
• M14: 8,282,486 km (0.085 R)
• M15: 8,989,336 km (0.069 R)
• M16: 10,097,407 km (0.118 R)
• M17: 10,793,337 km (0.072 R)
• M18: 11,577,978 km (0.107 R)
• M19: 12,763,840 km (0.091 R)
• M20: 14,159,139 km (0.071 R)
• M21: 14,825,747 km (0.104 R)
• M22: 16,437,814 km (0.06 R)
• M23: 18,163,126 km (0.117 R)
• M24: 18,396,798 km (0.048 R)
• M25: 18,790,540 km (0.105 R)
• M26: 19,029,448 km (0.063 R)
• M27: 20,005,424 km (0.058 R)
• M28: 25,004,087 km (0.033 R)
• M29: 26,973,543 km (0.028 R)
• M30: 31,106,633 km (0.111 R)
• M31: 31,553,033 km (0.109 R)
• M32: 36,008,507 km (0.081 R)
• M33: 38,003,544 km (0.063 R)
• M34: 39,157,542 km (0.05 R)
• M35: 42,348,764 km (0.1 R)
• M36: 45,279,536 km (0.115 R)
• M37: 45,422,401 km (0.091 R)
• M38: 46,867,218 km (0.118 R)
• M39: 47,601,145 km (0.04 R)
• M40: 52,479,980 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.8

Radius: 4.7

Gravity: 20.68 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.57 AU - 8.33 AU

Year: 14294 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,138,238 km

• M1: 61,335 km (0.12 R)
• M2: 213,626 km (0.065 R)
• M3: 378,483 km (0.088 R)
• M4: 655,089 km (0.089 R)
• M5: 1,114,803 km (0.098 R)
• M6: 1,897,499 km (0.027 R)
• M7: 2,163,185 km (0.098 R)
• M8: 4,047,520 km (0.036 R)
• M9: 4,249,328 km (0.102 R)
• M10: 5,360,989 km (0.104 R)
• M11: 5,534,224 km (0.037 R)
• M12: 6,614,171 km (0.083 R)
• M13: 7,099,466 km (0.118 R)
• M14: 9,231,086 km (0.038 R)
• M15: 11,071,140 km (0.054 R)
• M16: 12,047,416 km (0.096 R)
• M17: 12,586,866 km (0.092 R)
• M18: 13,585,282 km (0.102 R)
• M19: 14,568,289 km (0.114 R)
• M20: 16,822,131 km (0.069 R)
• M21: 18,499,871 km (0.091 R)
• M22: 20,792,309 km (0.051 R)
• M23: 21,655,040 km (0.117 R)
• M24: 24,670,783 km (0.115 R)
• M25: 26,428,109 km (0.068 R)
• M26: 26,930,758 km (0.111 R)
• M27: 28,687,187 km (0.118 R)
• M28: 29,755,316 km (0.066 R)
• M29: 30,189,897 km (0.073 R)
• M30: 35,253,187 km (0.088 R)
• M31: 39,141,834 km (0.096 R)
• M32: 48,203,875 km (0.099 R)
• M33: 49,407,539 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 13,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit