🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 14.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 5.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,607,960 km

• M1: 186,100 km (0.099 R)
• M2: 471,682 km (0.118 R)
• M3: 874,848 km (0.033 R)
• M4: 1,221,616 km (0.08 R)
• M5: 1,509,742 km (0.071 R)
• M6: 1,814,772 km (0.077 R)
• M7: 2,111,724 km (0.057 R)
• M8: 2,476,294 km (0.052 R)
• M9: 2,795,087 km (0.118 R)
• M10: 3,110,289 km (0.1 R)
• M11: 3,512,259 km (0.098 R)
• M12: 4,173,182 km (0.095 R)
• M13: 4,452,332 km (0.047 R)
• M14: 4,914,290 km (0.115 R)
• M15: 5,207,203 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 10.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.76 AU - 0.76 AU

Year: 435 Days

Day: 8.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,607,960 km

• M1: 130,300 km (0.039 R)
• M2: 326,123 km (0.099 R)
• M3: 516,711 km (0.12 R)
• M4: 794,514 km (0.096 R)
• M5: 1,201,271 km (0.045 R)
• M6: 1,480,421 km (0.106 R)
• M7: 1,710,801 km (0.102 R)
• M8: 2,025,854 km (0.08 R)
• M9: 2,347,639 km (0.095 R)
• M10: 2,617,065 km (0.048 R)
• M11: 3,142,453 km (0.055 R)
• M12: 3,384,353 km (0.066 R)
• M13: 3,690,579 km (0.105 R)
• M14: 3,924,551 km (0.08 R)
• M15: 4,185,449 km (0.12 R)
• M16: 4,567,522 km (0.099 R)
• M17: 4,817,650 km (0.041 R)
• M18: 5,405,569 km (0.117 R)
• M19: 5,770,289 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.1

Radius: 8.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.76 AU - 1.12 AU

Year: 598 Days

Day: 14.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,607,960 km

• M1: 193,131 km (0.09 R)
• M2: 430,094 km (0.083 R)
• M3: 696,528 km (0.083 R)
• M4: 965,804 km (0.078 R)
• M5: 1,138,440 km (0.111 R)
• M6: 1,563,597 km (0.114 R)
• M7: 1,779,167 km (0.1 R)
• M8: 2,391,172 km (0.091 R)
• M9: 2,693,659 km (0.048 R)
• M10: 2,905,789 km (0.092 R)
• M11: 3,117,021 km (0.084 R)
• M12: 3,453,018 km (0.071 R)
• M13: 4,017,152 km (0.096 R)
• M14: 4,255,012 km (0.063 R)
• M15: 4,613,598 km (0.098 R)
• M16: 4,927,754 km (0.079 R)
• M17: 5,701,773 km (0.117 R)
• M18: 6,038,069 km (0.079 R)
• M19: 6,657,105 km (0.105 R)
• M20: 6,837,520 km (0.075 R)
• M21: 7,020,478 km (0.118 R)
• M22: 7,263,425 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 11.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.06 AU - 1.16 AU

Year: 767 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,607,960 km

• M1: 192,682 km (0.057 R)
• M2: 602,730 km (0.112 R)
• M3: 838,346 km (0.057 R)
• M4: 1,106,276 km (0.106 R)
• M5: 1,374,056 km (0.092 R)
• M6: 1,716,486 km (0.069 R)
• M7: 1,978,133 km (0.076 R)
• M8: 2,441,886 km (0.085 R)
• M9: 2,684,534 km (0.092 R)
• M10: 3,147,988 km (0.113 R)
• M11: 3,588,105 km (0.043 R)
• M12: 3,959,556 km (0.117 R)
• M13: 4,247,832 km (0.12 R)
• M14: 4,511,573 km (0.066 R)
• M15: 4,977,570 km (0.063 R)
• M16: 5,415,892 km (0.096 R)
• M17: 5,980,474 km (0.111 R)
• M18: 6,238,979 km (0.047 R)
• M19: 7,600,918 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 10.6

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.03 AU - 1.57 AU

Year: 972 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,607,960 km

• M1: 132,095 km (0.117 R)
• M2: 414,536 km (0.041 R)
• M3: 811,718 km (0.104 R)
• M4: 1,051,823 km (0.119 R)
• M5: 1,380,190 km (0.077 R)
• M6: 1,750,145 km (0.12 R)
• M7: 2,549,297 km (0.102 R)
• M8: 2,918,206 km (0.105 R)
• M9: 4,101,226 km (0.119 R)
• M10: 4,415,680 km (0.092 R)
• M11: 4,976,224 km (0.093 R)
• M12: 5,571,174 km (0.066 R)
• M13: 5,809,185 km (0.056 R)
• M14: 6,899,454 km (0.094 R)
• M15: 7,398,662 km (0.099 R)
• M16: 7,673,324 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 9.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.3 AU - 3.78 AU

Year: 3477 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,607,960 km

• M1: 124,017 km (0.077 R)
• M2: 861,385 km (0.036 R)
• M3: 1,684,771 km (0.104 R)
• M4: 2,856,721 km (0.112 R)
• M5: 4,153,734 km (0.12 R)
• M6: 4,354,196 km (0.12 R)
• M7: 5,144,222 km (0.082 R)
• M8: 5,326,731 km (0.069 R)
• M9: 5,512,532 km (0.073 R)
• M10: 5,722,717 km (0.089 R)
• M11: 6,243,617 km (0.081 R)
• M12: 6,626,438 km (0.1 R)
• M13: 6,810,742 km (0.111 R)
• M14: 7,234,703 km (0.108 R)
• M15: 7,622,311 km (0.112 R)
• M16: 8,325,720 km (0.093 R)
• M17: 10,741,277 km (0.1 R)
• M18: 11,094,776 km (0.069 R)
• M19: 11,393,673 km (0.12 R)
• M20: 12,725,244 km (0.081 R)
• M21: 13,435,235 km (0.102 R)
• M22: 13,698,228 km (0.101 R)
• M23: 15,365,197 km (0.053 R)
• M24: 16,760,945 km (0.06 R)
• M25: 17,165,757 km (0.103 R)
• M26: 19,656,562 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 10.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.19 AU - 4.41 AU

Year: 5849 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,607,960 km

• M1: 166,203 km (0.104 R)
• M2: 533,017 km (0.106 R)
• M3: 784,192 km (0.078 R)
• M4: 1,332,618 km (0.072 R)
• M5: 2,063,254 km (0.034 R)
• M6: 3,831,650 km (0.08 R)
• M7: 4,113,642 km (0.085 R)
• M8: 4,631,999 km (0.114 R)
• M9: 4,837,846 km (0.057 R)
• M10: 5,048,180 km (0.094 R)
• M11: 5,400,034 km (0.079 R)
• M12: 5,650,611 km (0.048 R)
• M13: 5,964,766 km (0.119 R)
• M14: 6,959,592 km (0.088 R)
• M15: 7,244,576 km (0.116 R)
• M16: 8,270,369 km (0.102 R)
• M17: 9,401,777 km (0.103 R)
• M18: 10,146,176 km (0.047 R)
• M19: 12,552,159 km (0.113 R)
• M20: 14,075,065 km (0.086 R)
• M21: 14,617,507 km (0.115 R)
• M22: 15,123,746 km (0.066 R)
• M23: 15,733,358 km (0.105 R)
• M24: 18,704,072 km (0.12 R)
• M25: 20,556,543 km (0.077 R)
• M26: 21,211,931 km (0.056 R)
• M27: 23,067,543 km (0.095 R)
• M28: 23,297,774 km (0.097 R)
• M29: 23,529,202 km (0.086 R)
• M30: 24,466,283 km (0.083 R)
• M31: 27,325,248 km (0.068 R)
• M32: 28,271,155 km (0.092 R)
• M33: 29,233,219 km (0.105 R)
• M34: 29,687,697 km (0.059 R)
• M35: 29,948,895 km (0.088 R)
• M36: 33,588,911 km (0.082 R)
• M37: 34,146,013 km (0.088 R)
• M38: 34,356,049 km (0.12 R)
• M39: 34,637,143 km (0.064 R)
• M40: 35,988,161 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.7

Radius: 4.9

Gravity: 25.44 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.17 AU - 6.31 AU

Year: 10226 Days

Day: 22.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 61,607,960 km

• M1: 61,036 km (0.106 R)
• M2: 367,712 km (0.086 R)
• M3: 474,076 km (0.083 R)
• M4: 690,245 km (0.118 R)
• M5: 1,155,644 km (0.075 R)
• M6: 1,609,972 km (0.064 R)
• M7: 1,912,758 km (0.086 R)
• M8: 2,222,576 km (0.064 R)
• M9: 2,365,591 km (0.085 R)
• M10: 3,197,804 km (0.108 R)
• M11: 3,320,175 km (0.061 R)
• M12: 3,623,111 km (0.082 R)
• M13: 4,325,922 km (0.119 R)
• M14: 4,819,595 km (0.073 R)
• M15: 5,308,929 km (0.106 R)
• M16: 6,222,823 km (0.119 R)
• M17: 6,428,221 km (0.11 R)
• M18: 6,672,065 km (0.109 R)
• M19: 8,114,787 km (0.089 R)
• M20: 9,073,260 km (0.047 R)
• M21: 9,870,168 km (0.06 R)
• M22: 10,215,889 km (0.061 R)
• M23: 11,565,411 km (0.101 R)
• M24: 11,658,461 km (0.119 R)
• M25: 13,048,375 km (0.07 R)
• M26: 14,673,606 km (0.099 R)
• M27: 15,254,345 km (0.063 R)
• M28: 17,518,659 km (0.08 R)
• M29: 20,369,396 km (0.086 R)
• M30: 22,778,969 km (0.109 R)
• M31: 23,435,554 km (0.077 R)
• M32: 25,186,298 km (0.096 R)
• M33: 30,289,380 km (0.099 R)
• M34: 34,166,059 km (0.092 R)
• M35: 35,212,347 km (0.108 R)
• M36: 36,192,063 km (0.062 R)
• M37: 37,185,393 km (0.105 R)
• M38: 37,939,217 km (0.117 R)
• M39: 38,445,905 km (0.076 R)
• M40: 39,041,304 km (0.076 R)
• M41: 40,506,466 km (0.102 R)
• M42: 42,531,722 km (0.103 R)
• M43: 44,880,708 km (0.052 R)
• M44: 45,523,978 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 3.3

Gravity: 59.72 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.37 AU - 8.71 AU

Year: 14955 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 61,607,960 km

• M1: 61,036 km (0.093 R)
• M2: 360,232 km (0.055 R)
• M3: 550,819 km (0.113 R)
• M4: 759,209 km (0.091 R)
• M5: 1,230,592 km (0.075 R)
• M6: 1,426,266 km (0.092 R)
• M7: 1,799,513 km (0.053 R)
• M8: 2,503,670 km (0.063 R)
• M9: 2,782,072 km (0.111 R)
• M10: 3,157,861 km (0.12 R)
• M11: 3,616,977 km (0.054 R)
• M12: 5,471,841 km (0.088 R)
• M13: 7,497,097 km (0.08 R)
• M14: 8,020,091 km (0.119 R)
• M15: 9,550,029 km (0.028 R)
• M16: 9,990,445 km (0.091 R)
• M17: 10,189,410 km (0.111 R)
• M18: 11,798,485 km (0.047 R)
• M19: 12,232,767 km (0.039 R)
• M20: 14,403,881 km (0.078 R)
• M21: 16,180,506 km (0.09 R)
• M22: 16,624,811 km (0.091 R)
• M23: 17,927,510 km (0.104 R)
• M24: 18,732,795 km (0.034 R)
• M25: 19,073,579 km (0.111 R)
• M26: 19,694,709 km (0.088 R)
• M27: 22,725,263 km (0.116 R)
• M28: 23,251,548 km (0.1 R)
• M29: 24,944,547 km (0.073 R)
• M30: 25,180,164 km (0.047 R)
• M31: 25,495,816 km (0.085 R)
• M32: 27,185,673 km (0.081 R)
• M33: 27,843,604 km (0.107 R)
• M34: 30,641,384 km (0.088 R)
• M35: 32,402,151 km (0.111 R)
• M36: 32,939,955 km (0.063 R)
• M37: 34,303,989 km (0.114 R)
• M38: 34,487,994 km (0.075 R)
• M39: 43,275,971 km (0.114 R)
• M40: 44,732,755 km (0.096 R)
• M41: 45,153,275 km (0.034 R)
• M42: 45,575,889 km (0.098 R)
• M43: 48,480,032 km (0.119 R)
• M44: 48,917,905 km (0.03 R)
• M45: 52,151,314 km (0.114 R)
• M46: 54,557,446 km (0.117 R)
• M47: 57,373,626 km (0.08 R)
• M48: 58,088,853 km (0.067 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: 225 - 17,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit