🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.41 AU - 0.65 AU

Year: 249 Days

Day: 22.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,619,340 km

• M1: 136,433 km (0.069 R)
• M2: 150,645 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.51 AU - 0.79 AU

Year: 338 Days

Day: 33.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 13.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.75 AU - 1.09 AU

Year: 570 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 20,619,340 km

• M1: 275,110 km (0.098 R)
• M2: 428,000 km (0.063 R)
• M3: 532,419 km (0.111 R)
• M4: 666,459 km (0.093 R)
• M5: 769,531 km (0.079 R)
• M6: 912,547 km (0.115 R)
• M7: 1,011,880 km (0.075 R)
• M8: 1,097,001 km (0.09 R)
• M9: 1,198,728 km (0.103 R)
• M10: 1,304,045 km (0.115 R)
• M11: 1,432,848 km (0.107 R)
• M12: 1,618,499 km (0.093 R)
• M13: 1,850,974 km (0.071 R)
• M14: 2,002,816 km (0.081 R)
• M15: 2,158,847 km (0.058 R)
• M16: 2,259,377 km (0.095 R)
• M17: 2,361,402 km (0.088 R)
• M18: 2,564,108 km (0.096 R)
• M19: 2,785,512 km (0.092 R)
• M20: 2,947,527 km (0.115 R)
• M21: 3,260,785 km (0.109 R)
• M22: 3,431,925 km (0.06 R)
• M23: 3,550,107 km (0.099 R)
• M24: 3,804,723 km (0.071 R)
• M25: 3,905,402 km (0.047 R)
• M26: 4,250,076 km (0.086 R)
• M27: 4,429,892 km (0.099 R)
• M28: 4,535,957 km (0.116 R)
• M29: 4,620,031 km (0.105 R)
• M30: 4,875,095 km (0.071 R)
• M31: 5,627,124 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 10.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.89 AU - 1.47 AU

Year: 828 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 20,619,340 km

• M1: 136,284 km (0.033 R)
• M2: 212,579 km (0.11 R)
• M3: 285,283 km (0.101 R)
• M4: 368,609 km (0.117 R)
• M5: 444,006 km (0.085 R)
• M6: 514,766 km (0.107 R)
• M7: 582,833 km (0.106 R)
• M8: 675,135 km (0.077 R)
• M9: 767,437 km (0.094 R)
• M10: 864,526 km (0.118 R)
• M11: 951,442 km (0.091 R)
• M12: 1,044,492 km (0.098 R)
• M13: 1,121,984 km (0.09 R)
• M14: 1,201,570 km (0.103 R)
• M15: 1,397,244 km (0.068 R)
• M16: 1,490,444 km (0.096 R)
• M17: 1,639,742 km (0.116 R)
• M18: 1,716,336 km (0.052 R)
• M19: 1,926,671 km (0.107 R)
• M20: 2,003,863 km (0.054 R)
• M21: 2,085,993 km (0.107 R)
• M22: 2,229,756 km (0.116 R)
• M23: 2,315,027 km (0.06 R)
• M24: 2,405,683 km (0.107 R)
• M25: 2,531,196 km (0.099 R)
• M26: 2,616,168 km (0.115 R)
• M27: 2,745,420 km (0.12 R)
• M28: 2,845,950 km (0.095 R)
• M29: 3,050,899 km (0.097 R)
• M30: 3,155,169 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 11.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.05 AU - 1.61 AU

Year: 990 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 20,619,340 km

• M1: 147,055 km (0.087 R)
• M2: 222,003 km (0.101 R)
• M3: 308,620 km (0.117 R)
• M4: 418,874 km (0.061 R)
• M5: 516,262 km (0.036 R)
• M6: 595,699 km (0.051 R)
• M7: 954,734 km (0.101 R)
• M8: 1,050,626 km (0.089 R)
• M9: 1,144,125 km (0.06 R)
• M10: 1,265,149 km (0.079 R)
• M11: 1,365,380 km (0.07 R)
• M12: 1,533,977 km (0.118 R)
• M13: 1,655,001 km (0.105 R)
• M14: 1,871,170 km (0.12 R)
• M15: 1,986,361 km (0.03 R)
• M16: 2,126,384 km (0.082 R)
• M17: 2,201,482 km (0.097 R)
• M18: 2,315,775 km (0.039 R)
• M19: 2,408,825 km (0.093 R)
• M20: 2,558,572 km (0.1 R)
• M21: 2,646,835 km (0.089 R)
• M22: 2,909,230 km (0.05 R)
• M23: 3,009,909 km (0.117 R)
• M24: 3,120,312 km (0.095 R)
• M25: 3,240,739 km (0.081 R)
• M26: 3,575,539 km (0.117 R)
• M27: 3,747,127 km (0.114 R)
• M28: 3,838,532 km (0.106 R)
• M29: 4,089,258 km (0.095 R)
• M30: 4,480,307 km (0.088 R)
• M31: 4,558,098 km (0.114 R)
• M32: 4,794,013 km (0.118 R)
• M33: 5,013,922 km (0.115 R)
• M34: 5,114,901 km (0.096 R)
• M35: 5,308,780 km (0.091 R)
• M36: 5,453,291 km (0.078 R)
• M37: 5,546,790 km (0.07 R)
• M38: 5,693,396 km (0.061 R)
• M39: 5,969,105 km (0.111 R)
• M40: 6,238,381 km (0.047 R)
• M41: 6,423,882 km (0.067 R)
• M42: 6,677,600 km (0.092 R)
• M43: 6,789,051 km (0.111 R)
• M44: 7,126,843 km (0.051 R)
• M45: 7,217,948 km (0.067 R)
• M46: 7,412,724 km (0.111 R)
• M47: 7,609,296 km (0.109 R)
• M48: 7,795,844 km (0.069 R)
• M49: 7,877,824 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 9.2

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.4 AU - 2.21 AU

Year: 1559 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 20,619,340 km

• M1: 119,678 km (0.086 R)
• M2: 185,053 km (0.096 R)
• M3: 267,930 km (0.105 R)
• M4: 341,382 km (0.077 R)
• M5: 514,467 km (0.096 R)
• M6: 955,033 km (0.086 R)
• M7: 1,115,103 km (0.083 R)
• M8: 1,265,149 km (0.103 R)
• M9: 1,352,514 km (0.115 R)
• M10: 1,451,997 km (0.11 R)
• M11: 1,543,850 km (0.084 R)
• M12: 1,616,555 km (0.094 R)
• M13: 1,701,227 km (0.06 R)
• M14: 1,787,395 km (0.075 R)
• M15: 1,863,989 km (0.086 R)
• M16: 2,615,120 km (0.09 R)
• M17: 2,702,635 km (0.107 R)
• M18: 2,854,776 km (0.091 R)
• M19: 2,931,969 km (0.116 R)
• M20: 3,062,268 km (0.06 R)
• M21: 3,154,570 km (0.11 R)
• M22: 3,247,770 km (0.106 R)
• M23: 3,423,547 km (0.07 R)
• M24: 3,784,377 km (0.099 R)
• M25: 4,026,875 km (0.085 R)
• M26: 4,215,818 km (0.102 R)
• M27: 4,392,792 km (0.09 R)
• M28: 4,572,309 km (0.111 R)
• M29: 4,723,702 km (0.104 R)
• M30: 4,784,888 km (0.028 R)
• M31: 4,892,299 km (0.106 R)
• M32: 4,985,050 km (0.084 R)
• M33: 5,078,399 km (0.086 R)
• M34: 5,188,054 km (0.047 R)
• M35: 5,298,607 km (0.062 R)
• M36: 5,441,772 km (0.025 R)
• M37: 5,521,807 km (0.095 R)
• M38: 5,797,217 km (0.049 R)
• M39: 5,879,047 km (0.115 R)
• M40: 6,327,691 km (0.062 R)
• M41: 6,598,762 km (0.092 R)
• M42: 6,701,386 km (0.118 R)
• M43: 6,804,609 km (0.11 R)
• M44: 7,506,073 km (0.03 R)
• M45: 7,757,098 km (0.078 R)
• M46: 8,029,067 km (0.094 R)
• M47: 8,359,529 km (0.035 R)
• M48: 8,825,975 km (0.097 R)
• M49: 9,109,912 km (0.109 R)
• M50: 9,377,692 km (0.111 R)
• M51: 9,473,884 km (0.116 R)
• M52: 9,842,792 km (0.101 R)
• M53: 9,901,434 km (0.101 R)
• M54: 10,078,109 km (0.051 R)
• M55: 11,119,311 km (0.103 R)
• M56: 11,364,501 km (0.047 R)
• M57: 11,922,651 km (0.104 R)
• M58: 12,006,127 km (0.115 R)
• M59: 12,278,694 km (0.078 R)
• M60: 12,362,918 km (0.086 R)
• M61: 12,532,113 km (0.088 R)
• M62: 12,765,934 km (0.037 R)
• M63: 12,915,532 km (0.104 R)
• M64: 13,001,252 km (0.094 R)
• M65: 13,476,075 km (0.079 R)
• M66: 13,606,525 km (0.09 R)
• M67: 13,934,593 km (0.062 R)
• M68: 14,000,566 km (0.077 R)
• M69: 14,265,354 km (0.103 R)
• M70: 14,643,238 km (0.076 R)
• M71: 14,934,505 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 8.1

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.17 AU - 4.75 AU

Year: 5088 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 20,619,340 km

• M1: 120,725 km (0.087 R)
• M2: 245,490 km (0.108 R)
• M3: 331,958 km (0.088 R)
• M4: 510,129 km (0.076 R)
• M5: 661,522 km (0.059 R)
• M6: 942,317 km (0.093 R)
• M7: 1,021,604 km (0.109 R)
• M8: 1,215,483 km (0.098 R)
• M9: 1,436,738 km (0.048 R)
• M10: 1,575,565 km (0.094 R)
• M11: 1,670,709 km (0.082 R)
• M12: 1,967,810 km (0.119 R)
• M13: 2,210,309 km (0.115 R)
• M14: 2,335,372 km (0.118 R)
• M15: 2,462,680 km (0.114 R)
• M16: 2,517,882 km (0.069 R)
• M17: 3,113,431 km (0.112 R)
• M18: 3,355,480 km (0.085 R)
• M19: 3,687,737 km (0.058 R)
• M20: 3,772,559 km (0.073 R)
• M21: 4,678,075 km (0.089 R)
• M22: 4,746,890 km (0.101 R)
• M23: 4,932,092 km (0.101 R)
• M24: 5,333,613 km (0.033 R)
• M25: 5,405,569 km (0.071 R)
• M26: 5,502,060 km (0.079 R)
• M27: 6,446,621 km (0.096 R)
• M28: 6,911,422 km (0.103 R)
• M29: 6,989,961 km (0.111 R)
• M30: 8,537,850 km (0.085 R)
• M31: 8,678,472 km (0.087 R)
• M32: 9,451,593 km (0.117 R)
• M33: 9,626,324 km (0.112 R)
• M34: 9,949,455 km (0.06 R)
• M35: 10,336,166 km (0.044 R)
• M36: 10,576,420 km (0.05 R)
• M37: 11,216,100 km (0.106 R)
• M38: 11,712,017 km (0.064 R)
• M39: 11,899,763 km (0.11 R)
• M40: 12,821,435 km (0.089 R)
• M41: 12,918,075 km (0.106 R)
• M42: 13,601,438 km (0.06 R)
• M43: 13,897,941 km (0.103 R)
• M44: 14,363,340 km (0.075 R)
• M45: 14,463,721 km (0.03 R)
• M46: 14,698,888 km (0.044 R)
• M47: 15,309,397 km (0.106 R)
• M48: 15,686,683 km (0.105 R)
• M49: 16,171,081 km (0.061 R)
• M50: 16,485,237 km (0.12 R)
• M51: 16,660,565 km (0.113 R)
• M52: 16,801,337 km (0.113 R)
• M53: 16,942,408 km (0.111 R)
• M54: 17,190,441 km (0.075 R)
• M55: 17,296,955 km (0.086 R)
• M56: 19,142,992 km (0.096 R)
• M57: 19,475,249 km (0.119 R)
• M58: 19,623,501 km (0.112 R)
• M59: 20,333,043 km (0.117 R)
• M60: 21,546,731 km (0.107 R)
• M61: 21,853,855 km (0.082 R)
• M62: 22,046,537 km (0.075 R)
• M63: 22,239,818 km (0.087 R)
• M64: 22,394,801 km (0.111 R)
• M65: 23,489,708 km (0.106 R)
• M66: 24,762,487 km (0.097 R)
• M67: 25,084,122 km (0.112 R)
• M68: 25,164,755 km (0.113 R)
• M69: 25,650,350 km (0.049 R)
• M70: 25,853,654 km (0.078 R)
• M71: 26,302,746 km (0.116 R)
• M72: 27,125,834 km (0.079 R)
• M73: 27,832,085 km (0.088 R)
• M74: 27,915,561 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 8.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.85 AU - 6.11 AU

Year: 7176 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 169.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 20,619,340 km

• M1: 127,009 km (0.092 R)
• M2: 200,461 km (0.08 R)
• M3: 273,465 km (0.044 R)
• M4: 373,995 km (0.053 R)
• M5: 505,641 km (0.04 R)
• M6: 599,887 km (0.118 R)
• M7: 672,442 km (0.086 R)
• M8: 837,449 km (0.119 R)
• M9: 983,456 km (0.097 R)
• M10: 1,059,751 km (0.028 R)
• M11: 1,373,159 km (0.107 R)
• M12: 1,446,761 km (0.075 R)
• M13: 1,636,750 km (0.03 R)
• M14: 1,741,469 km (0.085 R)
• M15: 2,211,356 km (0.096 R)
• M16: 2,371,725 km (0.117 R)
• M17: 2,535,983 km (0.098 R)
• M18: 2,955,007 km (0.118 R)
• M19: 3,362,362 km (0.099 R)
• M20: 3,615,332 km (0.098 R)
• M21: 3,787,369 km (0.073 R)
• M22: 3,944,597 km (0.117 R)
• M23: 4,050,662 km (0.057 R)
• M24: 4,193,528 km (0.05 R)
• M25: 5,434,891 km (0.111 R)
• M26: 5,533,326 km (0.102 R)
• M27: 5,731,992 km (0.113 R)
• M28: 5,852,269 km (0.047 R)
• M29: 6,321,408 km (0.117 R)
• M30: 6,383,491 km (0.096 R)
• M31: 6,675,955 km (0.08 R)
• M32: 7,230,663 km (0.111 R)
• M33: 7,601,367 km (0.068 R)
• M34: 8,112,842 km (0.09 R)
• M35: 8,520,945 km (0.051 R)
• M36: 8,982,155 km (0.06 R)
• M37: 9,145,516 km (0.08 R)
• M38: 9,215,827 km (0.047 R)
• M39: 9,499,016 km (0.118 R)
• M40: 9,808,833 km (0.115 R)
• M41: 10,219,180 km (0.066 R)
• M42: 10,536,776 km (0.079 R)
• M43: 10,882,348 km (0.106 R)
• M44: 11,056,629 km (0.071 R)
• M45: 11,357,470 km (0.1 R)
• M46: 11,483,581 km (0.087 R)
• M47: 11,737,299 km (0.071 R)
• M48: 12,301,882 km (0.088 R)
• M49: 12,796,751 km (0.06 R)
• M50: 13,033,415 km (0.12 R)
• M51: 13,112,553 km (0.073 R)
• M52: 13,218,468 km (0.062 R)
• M53: 13,644,672 km (0.04 R)
• M54: 13,967,355 km (0.093 R)
• M55: 15,338,868 km (0.112 R)
• M56: 15,814,888 km (0.114 R)
• M57: 16,068,906 km (0.109 R)
• M58: 16,324,269 km (0.092 R)
• M59: 16,466,686 km (0.069 R)
• M60: 16,580,979 km (0.074 R)
• M61: 16,925,353 km (0.088 R)
• M62: 17,214,077 km (0.073 R)
• M63: 17,271,972 km (0.098 R)
• M64: 17,417,231 km (0.07 R)
• M65: 17,533,618 km (0.087 R)
• M66: 18,001,860 km (0.108 R)
• M67: 18,474,290 km (0.091 R)
• M68: 19,461,486 km (0.046 R)
• M69: 20,190,177 km (0.104 R)
• M70: 20,343,066 km (0.091 R)
• M71: 20,435,069 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit