🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 9

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.58 AU - 0.94 AU

Year: 428 Days

Day: 9.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,908,493 km

• M1: 111,899 km (0.102 R)
• M2: 422,464 km (0.059 R)
• M3: 898,934 km (0.088 R)
• M4: 1,397,543 km (0.062 R)
• M5: 1,703,770 km (0.057 R)
• M6: 2,030,941 km (0.046 R)
• M7: 2,319,216 km (0.085 R)
• M8: 2,937,354 km (0.089 R)
• M9: 4,078,786 km (0.104 R)
• M10: 4,499,605 km (0.117 R)
• M11: 5,161,875 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.3

Radius: 8.2

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.79 AU - 1.13 AU

Year: 607 Days

Day: 10 Hours

Environment

Temp: -154 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,908,493 km

• M1: 102,624 km (0.066 R)
• M2: 368,160 km (0.104 R)
• M3: 783,294 km (0.076 R)
• M4: 2,191,609 km (0.098 R)
• M5: 2,536,282 km (0.12 R)
• M6: 2,977,895 km (0.073 R)
• M7: 3,348,748 km (0.106 R)
• M8: 3,650,338 km (0.113 R)
• M9: 3,910,638 km (0.061 R)
• M10: 4,468,638 km (0.111 R)
• M11: 5,096,351 km (0.063 R)
• M12: 5,367,123 km (0.114 R)
• M13: 6,056,320 km (0.118 R)
• M14: 6,717,393 km (0.112 R)
• M15: 7,065,507 km (0.058 R)
• M16: 7,334,484 km (0.094 R)
• M17: 7,610,193 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 8.7

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.94 AU - 1.3 AU

Year: 765 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,908,493 km

• M1: 109,206 km (0.091 R)
• M2: 582,534 km (0.1 R)
• M3: 857,944 km (0.042 R)
• M4: 1,568,534 km (0.105 R)
• M5: 1,922,033 km (0.082 R)
• M6: 2,392,818 km (0.103 R)
• M7: 2,720,288 km (0.116 R)
• M8: 3,315,089 km (0.075 R)
• M9: 3,978,705 km (0.119 R)
• M10: 4,902,771 km (0.11 R)
• M11: 5,284,096 km (0.113 R)
• M12: 5,587,630 km (0.078 R)
• M13: 6,355,965 km (0.095 R)
• M14: 6,809,695 km (0.099 R)
• M15: 7,147,038 km (0.117 R)
• M16: 7,928,388 km (0.081 R)
• M17: 8,739,508 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.98 AU - 3 AU

Year: 2537 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,908,493 km

• M1: 112,049 km (0.086 R)
• M2: 429,495 km (0.078 R)
• M3: 713,432 km (0.111 R)
• M4: 1,223,411 km (0.079 R)
• M5: 1,595,312 km (0.076 R)
• M6: 2,041,861 km (0.092 R)
• M7: 2,516,236 km (0.12 R)
• M8: 3,001,532 km (0.093 R)
• M9: 3,899,568 km (0.038 R)
• M10: 4,371,699 km (0.082 R)
• M11: 6,242,570 km (0.04 R)
• M12: 6,943,286 km (0.103 R)
• M13: 7,382,805 km (0.091 R)
• M14: 7,987,479 km (0.102 R)
• M15: 8,624,916 km (0.084 R)
• M16: 9,394,597 km (0.076 R)
• M17: 9,966,809 km (0.061 R)
• M18: 11,255,445 km (0.049 R)
• M19: 11,862,363 km (0.105 R)
• M20: 12,292,307 km (0.026 R)
• M21: 14,732,997 km (0.106 R)
• M22: 15,184,184 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.1

Radius: 13.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.34 AU - 3.54 AU

Year: 3255 Days

Day: 13 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,908,493 km

• M1: 173,833 km (0.118 R)
• M2: 858,393 km (0.089 R)
• M3: 1,875,209 km (0.032 R)
• M4: 2,327,294 km (0.077 R)
• M5: 2,922,095 km (0.064 R)
• M6: 3,488,922 km (0.047 R)
• M7: 4,182,008 km (0.103 R)
• M8: 4,845,026 km (0.036 R)
• M9: 6,144,284 km (0.08 R)
• M10: 6,875,668 km (0.095 R)
• M11: 7,609,894 km (0.089 R)
• M12: 8,600,681 km (0.11 R)
• M13: 9,112,006 km (0.054 R)
• M14: 12,241,295 km (0.069 R)
• M15: 13,320,942 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 9.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.25 AU - 4.41 AU

Year: 4840 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,908,493 km

• M1: 115,639 km (0.111 R)
• M2: 426,504 km (0.105 R)
• M3: 1,364,781 km (0.11 R)
• M4: 1,827,936 km (0.049 R)
• M5: 3,502,535 km (0.095 R)
• M6: 4,250,823 km (0.073 R)
• M7: 5,664,823 km (0.112 R)
• M8: 6,176,447 km (0.091 R)
• M9: 10,727,663 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 7.3

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.79 AU - 7.55 AU

Year: 12396 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,908,493 km

• M1: 100,081 km (0.089 R)
• M2: 448,644 km (0.098 R)
• M3: 1,568,234 km (0.115 R)
• M4: 3,550,556 km (0.103 R)
• M5: 5,510,138 km (0.12 R)
• M6: 6,040,014 km (0.076 R)
• M7: 7,449,974 km (0.115 R)
• M8: 7,965,189 km (0.059 R)
• M9: 9,018,956 km (0.107 R)
• M10: 12,674,829 km (0.043 R)
• M11: 15,920,804 km (0.063 R)
• M12: 18,574,520 km (0.063 R)
• M13: 28,074,135 km (0.103 R)
• M14: 30,384,524 km (0.042 R)
• M15: 33,735,217 km (0.076 R)
• M16: 44,272,742 km (0.12 R)
• M17: 45,957,363 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.1

Radius: 4.4

Gravity: 18.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10 AU - 10.4 AU

Year: 21034 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 73,908,493 km

• M1: 62,233 km (0.104 R)
• M2: 426,204 km (0.117 R)
• M3: 595,400 km (0.071 R)
• M4: 850,015 km (0.088 R)
• M5: 1,226,553 km (0.116 R)
• M6: 2,220,780 km (0.063 R)
• M7: 2,364,245 km (0.081 R)
• M8: 2,692,762 km (0.117 R)
• M9: 4,039,591 km (0.099 R)
• M10: 4,348,361 km (0.075 R)
• M11: 4,739,560 km (0.068 R)
• M12: 6,014,283 km (0.09 R)
• M13: 6,541,017 km (0.036 R)
• M14: 6,923,389 km (0.084 R)
• M15: 8,855,446 km (0.073 R)
• M16: 9,270,430 km (0.043 R)
• M17: 9,861,791 km (0.096 R)
• M18: 11,480,440 km (0.118 R)
• M19: 12,036,196 km (0.093 R)
• M20: 13,402,473 km (0.05 R)
• M21: 13,742,360 km (0.085 R)
• M22: 14,439,336 km (0.082 R)
• M23: 15,678,006 km (0.039 R)
• M24: 16,207,882 km (0.108 R)
• M25: 16,438,712 km (0.075 R)
• M26: 17,303,537 km (0.084 R)
• M27: 18,281,309 km (0.115 R)
• M28: 18,953,153 km (0.113 R)
• M29: 22,370,716 km (0.047 R)
• M30: 22,656,747 km (0.117 R)
• M31: 23,628,086 km (0.119 R)
• M32: 36,207,173 km (0.072 R)
• M33: 38,072,209 km (0.105 R)
• M34: 41,560,084 km (0.043 R)
• M35: 44,649,728 km (0.073 R)
• M36: 45,255,151 km (0.069 R)
• M37: 46,637,136 km (0.099 R)
• M38: 47,573,918 km (0.068 R)
• M39: 48,523,266 km (0.117 R)
• M40: 49,323,914 km (0.093 R)
• M41: 50,951,688 km (0.12 R)
• M42: 53,971,172 km (0.069 R)
• M43: 56,753,393 km (0.113 R)
• M44: 61,475,899 km (0.094 R)
• M45: 62,224,935 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.7

Radius: 5.2

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.58 AU - 11.94 AU

Year: 21220 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,908,493 km

• M1: 212,429 km (0.118 R)
• M2: 629,209 km (0.069 R)
• M3: 1,583,643 km (0.057 R)
• M4: 2,507,111 km (0.093 R)
• M5: 4,053,055 km (0.058 R)
• M6: 8,079,033 km (0.085 R)
• M7: 9,184,860 km (0.079 R)
• M8: 10,689,217 km (0.1 R)
• M9: 18,794,130 km (0.086 R)
• M10: 22,274,225 km (0.049 R)
• M11: 25,501,799 km (0.096 R)
• M12: 27,169,965 km (0.112 R)
• M13: 34,838,502 km (0.082 R)
• M14: 37,028,315 km (0.108 R)
• M15: 39,453,895 km (0.047 R)
• M16: 44,776,737 km (0.079 R)
• M17: 45,254,104 km (0.059 R)
• M18: 51,076,453 km (0.107 R)
• M19: 53,538,684 km (0.111 R)
• M20: 58,319,234 km (0.113 R)
• M21: 63,576,701 km (0.094 R)
• M22: 69,778,880 km (0.099 R)
• M23: 73,908,529 km (0.069 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit