🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 9.2

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 14 Hours

Environment

Temp: -134 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,441,121 km

• M1: 114,442 km (0.08 R)
• M2: 403,914 km (0.06 R)
• M3: 918,681 km (0.1 R)
• M4: 1,270,834 km (0.068 R)
• M5: 1,565,392 km (0.084 R)
• M6: 2,370,977 km (0.116 R)
• M7: 2,900,104 km (0.118 R)
• M8: 3,473,513 km (0.094 R)
• M9: 4,011,317 km (0.094 R)
• M10: 4,332,205 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.71 AU - 1.01 AU

Year: 541 Days

Day: 10.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,441,121 km

• M1: 111,899 km (0.038 R)
• M2: 551,119 km (0.078 R)
• M3: 908,209 km (0.046 R)
• M4: 1,311,674 km (0.08 R)
• M5: 1,749,248 km (0.103 R)
• M6: 2,636,962 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 13.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.62 AU - 2.32 AU

Year: 1875 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,441,121 km

• M1: 172,337 km (0.118 R)
• M2: 770,878 km (0.092 R)
• M3: 1,250,339 km (0.034 R)
• M4: 1,762,263 km (0.101 R)
• M5: 3,702,846 km (0.089 R)
• M6: 4,863,576 km (0.078 R)
• M7: 5,809,334 km (0.119 R)
• M8: 6,399,498 km (0.063 R)
• M9: 7,213,011 km (0.101 R)
• M10: 7,700,401 km (0.025 R)
• M11: 10,105,486 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 12.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.59 AU - 2.77 AU

Year: 2976 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,441,121 km

• M1: 153,787 km (0.095 R)
• M2: 550,371 km (0.075 R)
• M3: 979,118 km (0.095 R)
• M4: 1,627,774 km (0.108 R)
• M5: 2,474,050 km (0.095 R)
• M6: 3,423,846 km (0.094 R)
• M7: 4,334,150 km (0.117 R)
• M8: 4,882,276 km (0.08 R)
• M9: 5,898,494 km (0.07 R)
• M10: 6,989,811 km (0.055 R)
• M11: 7,455,958 km (0.086 R)
• M12: 8,908,703 km (0.09 R)
• M13: 9,759,167 km (0.105 R)
• M14: 11,751,212 km (0.092 R)
• M15: 12,592,251 km (0.111 R)
• M16: 13,472,934 km (0.082 R)
• M17: 14,693,652 km (0.108 R)
• M18: 15,305,209 km (0.088 R)
• M19: 16,362,118 km (0.071 R)
• M20: 17,354,400 km (0.113 R)
• M21: 18,037,913 km (0.054 R)
• M22: 18,444,969 km (0.09 R)
• M23: 21,467,743 km (0.066 R)
• M24: 22,388,668 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 14.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.69 AU - 5.61 AU

Year: 6801 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,441,121 km

• M1: 184,454 km (0.12 R)
• M2: 676,631 km (0.087 R)
• M3: 1,204,712 km (0.109 R)
• M4: 1,800,560 km (0.069 R)
• M5: 2,508,457 km (0.099 R)
• M6: 3,022,625 km (0.072 R)
• M7: 4,124,712 km (0.091 R)
• M8: 5,254,326 km (0.112 R)
• M9: 5,862,142 km (0.116 R)
• M10: 6,581,558 km (0.088 R)
• M11: 7,185,186 km (0.079 R)
• M12: 8,349,805 km (0.065 R)
• M13: 12,857,937 km (0.103 R)
• M14: 14,460,429 km (0.07 R)
• M15: 15,483,828 km (0.091 R)
• M16: 16,192,623 km (0.087 R)
• M17: 19,721,786 km (0.034 R)
• M18: 20,696,267 km (0.098 R)
• M19: 21,995,973 km (0.06 R)
• M20: 25,401,569 km (0.085 R)
• M21: 26,388,167 km (0.091 R)
• M22: 28,966,636 km (0.115 R)
• M23: 29,862,278 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.9

Radius: 9.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.74 AU - 5.62 AU

Year: 6867 Days

Day: 5 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,441,121 km

• M1: 115,340 km (0.084 R)
• M2: 438,172 km (0.041 R)
• M3: 1,102,836 km (0.099 R)
• M4: 2,556,478 km (0.111 R)
• M5: 3,088,298 km (0.109 R)
• M6: 3,676,966 km (0.072 R)
• M7: 6,439,440 km (0.091 R)
• M8: 6,734,148 km (0.115 R)
• M9: 8,056,444 km (0.05 R)
• M10: 8,724,099 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.8

Radius: 3.5

Gravity: 22.68 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.97 AU - 8.03 AU

Year: 11240 Days

Day: 24.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,441,121 km

• M1: 43,533 km (0.116 R)
• M2: 209,437 km (0.095 R)
• M3: 1,088,325 km (0.101 R)
• M4: 1,700,180 km (0.03 R)
• M5: 2,882,003 km (0.105 R)
• M6: 3,700,154 km (0.107 R)
• M7: 5,714,938 km (0.07 R)
• M8: 8,277,549 km (0.044 R)
• M9: 8,443,603 km (0.072 R)
• M10: 10,276,177 km (0.105 R)
• M11: 10,564,751 km (0.116 R)
• M12: 14,643,238 km (0.083 R)
• M13: 16,077,134 km (0.086 R)
• M14: 16,531,612 km (0.049 R)
• M15: 24,753,361 km (0.073 R)
• M16: 27,051,933 km (0.051 R)
• M17: 32,477,698 km (0.076 R)
• M18: 37,442,851 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 6.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.3 AU - 7.44 AU

Year: 12213 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,441,121 km

• M1: 137,630 km (0.064 R)
• M2: 423,212 km (0.047 R)
• M3: 1,432,549 km (0.086 R)
• M4: 1,651,112 km (0.109 R)
• M5: 1,878,650 km (0.068 R)
• M6: 2,304,854 km (0.06 R)
• M7: 2,623,348 km (0.068 R)
• M8: 2,863,602 km (0.102 R)
• M9: 3,309,554 km (0.087 R)
• M10: 9,701,871 km (0.105 R)
• M11: 13,108,813 km (0.118 R)
• M12: 14,122,488 km (0.103 R)
• M13: 23,300,616 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.9

Radius: 4.9

Gravity: 31.48 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.2 AU - 9.32 AU

Year: 17585 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,441,121 km

• M1: 61,036 km (0.088 R)
• M2: 334,650 km (0.07 R)
• M3: 637,736 km (0.062 R)
• M4: 938,278 km (0.04 R)
• M5: 1,677,890 km (0.101 R)
• M6: 2,357,812 km (0.076 R)
• M7: 3,314,042 km (0.101 R)
• M8: 3,567,161 km (0.11 R)
• M9: 3,955,218 km (0.065 R)
• M10: 8,648,103 km (0.102 R)
• M11: 9,237,070 km (0.104 R)
• M12: 11,861,914 km (0.072 R)
• M13: 13,134,843 km (0.117 R)
• M14: 14,202,074 km (0.077 R)
• M15: 16,027,916 km (0.107 R)
• M16: 19,408,828 km (0.059 R)
• M17: 19,953,813 km (0.107 R)
• M18: 22,334,812 km (0.112 R)
• M19: 25,433,882 km (0.061 R)
• M20: 25,758,659 km (0.066 R)
• M21: 26,527,293 km (0.07 R)
• M22: 27,198,239 km (0.079 R)
• M23: 30,236,871 km (0.073 R)
• M24: 30,479,519 km (0.067 R)
• M25: 31,837,718 km (0.044 R)
• M26: 33,364,813 km (0.04 R)
• M27: 34,940,079 km (0.112 R)
• M28: 35,745,962 km (0.104 R)
• M29: 37,534,405 km (0.116 R)
• M30: 39,671,261 km (0.089 R)
• M31: 45,285,819 km (0.085 R)
• M32: 47,051,821 km (0.109 R)
• M33: 48,034,081 km (0.1 R)
• M34: 53,328,350 km (0.118 R)
• M35: 54,935,180 km (0.116 R)
• M36: 58,432,779 km (0.119 R)
• M37: 59,187,650 km (0.108 R)
• M38: 60,909,671 km (0.071 R)
• M39: 61,296,830 km (0.066 R)
• M40: 62,076,085 km (0.063 R)
• M41: 63,059,392 km (0.097 R)
• M42: 66,071,545 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.1

Radius: 4.5

Gravity: 41.09 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.68 AU - 10.88 AU

Year: 22355 Days

Day: 18.6 Hours

Environment

Temp: -246 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,441,121 km

• M1: 55,950 km (0.1 R)
• M2: 266,284 km (0.108 R)
• M3: 413,937 km (0.071 R)
• M4: 600,336 km (0.065 R)
• M5: 1,012,030 km (0.117 R)
• M6: 1,279,211 km (0.12 R)
• M7: 1,700,629 km (0.115 R)
• M8: 1,893,161 km (0.107 R)
• M9: 3,055,686 km (0.072 R)
• M10: 4,775,613 km (0.095 R)
• M11: 5,400,633 km (0.076 R)
• M12: 5,818,011 km (0.076 R)
• M13: 7,348,547 km (0.098 R)
• M14: 7,808,410 km (0.059 R)
• M15: 12,992,126 km (0.083 R)
• M16: 13,139,331 km (0.069 R)
• M17: 13,512,428 km (0.115 R)
• M18: 14,674,055 km (0.12 R)
• M19: 17,371,754 km (0.062 R)
• M20: 18,094,461 km (0.083 R)
• M21: 25,178,818 km (0.083 R)
• M22: 26,338,201 km (0.098 R)
• M23: 29,645,361 km (0.076 R)
• M24: 43,632,912 km (0.07 R)
• M25: 47,885,680 km (0.064 R)
• M26: 52,406,378 km (0.107 R)
• M27: 53,721,343 km (0.049 R)
• M28: 56,026,497 km (0.089 R)
• M29: 57,203,383 km (0.083 R)
• M30: 59,403,669 km (0.09 R)
• M31: 68,769,543 km (0.047 R)
• M32: 69,217,289 km (0.089 R)
• M33: 71,027,274 km (0.116 R)
• M34: 71,255,710 km (0.104 R)
• M35: 72,405,220 km (0.093 R)
• M36: 83,567,465 km (0.102 R)
• M37: 85,102,937 km (0.027 R)
• M38: 86,656,960 km (0.12 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: 417 - 10,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit