🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 8.6

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.23 AU - 1.95 AU

Year: 1315 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,642,222 km

• M1: 106,962 km (0.11 R)
• M2: 428,747 km (0.102 R)
• M3: 727,644 km (0.1 R)
• M4: 1,105,528 km (0.083 R)
• M5: 1,476,681 km (0.096 R)
• M6: 1,766,003 km (0.05 R)
• M7: 2,149,871 km (0.118 R)
• M8: 2,524,614 km (0.092 R)
• M9: 2,999,587 km (0.086 R)
• M10: 4,039,442 km (0.102 R)
• M11: 4,328,914 km (0.057 R)
• M12: 4,769,180 km (0.107 R)
• M13: 6,083,098 km (0.062 R)
• M14: 6,861,755 km (0.1 R)
• M15: 7,954,418 km (0.07 R)
• M16: 8,794,560 km (0.112 R)
• M17: 9,189,797 km (0.063 R)
• M18: 9,756,624 km (0.088 R)
• M19: 10,413,657 km (0.096 R)
• M20: 10,684,579 km (0.056 R)
• M21: 10,960,138 km (0.079 R)
• M22: 11,453,961 km (0.084 R)
• M23: 12,110,546 km (0.077 R)
• M24: 12,448,188 km (0.111 R)
• M25: 13,102,978 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.4

Radius: 10

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.75 AU - 2.77 AU

Year: 2229 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,642,222 km

• M1: 124,465 km (0.101 R)
• M2: 436,227 km (0.048 R)
• M3: 763,548 km (0.1 R)
• M4: 1,521,859 km (0.1 R)
• M5: 2,576,225 km (0.118 R)
• M6: 2,998,241 km (0.087 R)
• M7: 3,773,606 km (0.079 R)
• M8: 4,874,198 km (0.052 R)
• M9: 5,403,325 km (0.113 R)
• M10: 6,658,302 km (0.111 R)
• M11: 8,255,708 km (0.11 R)
• M12: 9,212,087 km (0.114 R)
• M13: 10,021,711 km (0.061 R)
• M14: 12,693,828 km (0.084 R)
• M15: 13,166,857 km (0.084 R)
• M16: 13,562,393 km (0.066 R)
• M17: 13,875,651 km (0.11 R)
• M18: 15,081,560 km (0.072 R)
• M19: 17,647,612 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 9

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.23 AU - 3.09 AU

Year: 2846 Days

Day: 14.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,642,222 km

• M1: 111,899 km (0.054 R)
• M2: 406,308 km (0.112 R)
• M3: 701,464 km (0.102 R)
• M4: 1,016,518 km (0.096 R)
• M5: 1,319,603 km (0.119 R)
• M6: 1,800,111 km (0.047 R)
• M7: 2,379,055 km (0.077 R)
• M8: 5,650,461 km (0.107 R)
• M9: 6,248,254 km (0.095 R)
• M10: 7,008,511 km (0.102 R)
• M11: 7,537,938 km (0.062 R)
• M12: 8,093,843 km (0.088 R)
• M13: 8,641,820 km (0.055 R)
• M14: 13,712,739 km (0.091 R)
• M15: 14,001,314 km (0.085 R)
• M16: 14,491,546 km (0.054 R)
• M17: 15,402,597 km (0.097 R)
• M18: 15,714,658 km (0.117 R)
• M19: 17,338,692 km (0.088 R)
• M20: 18,365,233 km (0.065 R)
• M21: 18,716,339 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.3

Radius: 12.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.35 AU - 2.99 AU

Year: 2862 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,642,222 km

• M1: 157,527 km (0.057 R)
• M2: 563,236 km (0.114 R)
• M3: 1,041,650 km (0.104 R)
• M4: 1,572,573 km (0.117 R)
• M5: 1,991,596 km (0.084 R)
• M6: 2,778,332 km (0.073 R)
• M7: 3,312,845 km (0.097 R)
• M8: 4,111,847 km (0.093 R)
• M9: 5,035,315 km (0.096 R)
• M10: 5,859,599 km (0.061 R)
• M11: 8,911,545 km (0.119 R)
• M12: 10,191,355 km (0.118 R)
• M13: 12,042,180 km (0.088 R)
• M14: 14,481,373 km (0.056 R)
• M15: 15,592,885 km (0.077 R)
• M16: 16,399,218 km (0.073 R)
• M17: 16,812,706 km (0.083 R)
• M18: 17,985,703 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 14.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.23 AU - 3.69 AU

Year: 4222 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,642,222 km

• M1: 180,415 km (0.061 R)
• M2: 818,300 km (0.117 R)
• M3: 1,381,686 km (0.072 R)
• M4: 2,110,377 km (0.106 R)
• M5: 3,810,108 km (0.1 R)
• M6: 4,459,363 km (0.089 R)
• M7: 5,492,336 km (0.1 R)
• M8: 6,440,787 km (0.099 R)
• M9: 8,555,801 km (0.09 R)
• M10: 9,519,810 km (0.079 R)
• M11: 10,148,420 km (0.082 R)
• M12: 10,846,444 km (0.118 R)
• M13: 12,201,950 km (0.056 R)
• M14: 13,472,186 km (0.102 R)
• M15: 15,674,715 km (0.118 R)
• M16: 18,952,105 km (0.092 R)
• M17: 19,822,316 km (0.101 R)
• M18: 22,182,223 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 14.5

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.44 AU - 3.72 AU

Year: 4444 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,642,222 km

• M1: 180,265 km (0.067 R)
• M2: 683,961 km (0.095 R)
• M3: 1,498,821 km (0.052 R)
• M4: 2,017,028 km (0.099 R)
• M5: 2,688,872 km (0.054 R)
• M6: 3,567,311 km (0.104 R)
• M7: 5,781,210 km (0.082 R)
• M8: 7,648,790 km (0.067 R)
• M9: 8,871,303 km (0.08 R)
• M10: 10,013,782 km (0.1 R)
• M11: 11,430,923 km (0.099 R)
• M12: 15,637,914 km (0.118 R)
• M13: 17,362,329 km (0.106 R)
• M14: 19,920,153 km (0.088 R)
• M15: 22,791,385 km (0.114 R)
• M16: 26,006,243 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.8

Radius: 3.6

Gravity: 40.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.75 AU - 9.21 AU

Year: 16200 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,642,222 km

• M1: 65,524 km (0.109 R)
• M2: 301,141 km (0.08 R)
• M3: 439,070 km (0.118 R)
• M4: 695,630 km (0.089 R)
• M5: 1,425,967 km (0.061 R)
• M6: 2,039,169 km (0.094 R)
• M7: 2,311,736 km (0.119 R)
• M8: 2,788,355 km (0.077 R)
• M9: 3,074,386 km (0.055 R)
• M10: 3,199,150 km (0.093 R)
• M11: 3,459,002 km (0.105 R)
• M12: 4,140,121 km (0.1 R)
• M13: 4,872,403 km (0.03 R)
• M14: 5,042,495 km (0.114 R)
• M15: 5,687,262 km (0.082 R)
• M16: 7,810,505 km (0.09 R)
• M17: 9,645,472 km (0.112 R)
• M18: 9,967,856 km (0.03 R)
• M19: 10,186,717 km (0.111 R)
• M20: 10,978,240 km (0.118 R)
• M21: 11,329,645 km (0.072 R)
• M22: 14,346,137 km (0.074 R)
• M23: 14,836,818 km (0.079 R)
• M24: 17,223,203 km (0.072 R)
• M25: 17,697,428 km (0.105 R)
• M26: 18,261,711 km (0.055 R)
• M27: 21,626,317 km (0.076 R)
• M28: 25,585,125 km (0.043 R)
• M29: 25,789,626 km (0.079 R)
• M30: 28,112,731 km (0.106 R)
• M31: 32,567,008 km (0.04 R)
• M32: 34,772,529 km (0.116 R)
• M33: 45,334,288 km (0.073 R)
• M34: 52,234,490 km (0.098 R)
• M35: 56,105,185 km (0.098 R)
• M36: 56,623,692 km (0.087 R)
• M37: 58,198,508 km (0.086 R)
• M38: 58,552,307 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.3

Radius: 4.2

Gravity: 42.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.84 AU - 9.6 AU

Year: 18366 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 72,642,222 km

• M1: 52,509 km (0.116 R)
• M2: 286,480 km (0.099 R)
• M3: 440,715 km (0.095 R)
• M4: 764,894 km (0.073 R)
• M5: 1,260,811 km (0.088 R)
• M6: 2,228,111 km (0.078 R)
• M7: 2,607,341 km (0.119 R)
• M8: 6,122,891 km (0.054 R)
• M9: 6,639,154 km (0.043 R)
• M10: 7,660,458 km (0.081 R)
• M11: 7,807,363 km (0.058 R)
• M12: 9,550,328 km (0.112 R)
• M13: 10,846,594 km (0.1 R)
• M14: 12,189,085 km (0.069 R)
• M15: 14,591,178 km (0.112 R)
• M16: 15,823,565 km (0.077 R)
• M17: 17,375,045 km (0.107 R)
• M18: 18,846,789 km (0.053 R)
• M19: 20,682,205 km (0.104 R)
• M20: 24,491,116 km (0.067 R)
• M21: 25,348,611 km (0.091 R)
• M22: 26,784,302 km (0.057 R)
• M23: 28,156,862 km (0.069 R)
• M24: 29,097,534 km (0.106 R)
• M25: 32,299,227 km (0.081 R)
• M26: 34,514,922 km (0.114 R)
• M27: 38,668,357 km (0.108 R)
• M28: 42,374,345 km (0.105 R)
• M29: 43,452,946 km (0.104 R)
• M30: 45,184,541 km (0.044 R)
• M31: 45,664,600 km (0.092 R)
• M32: 46,148,101 km (0.118 R)
• M33: 47,784,552 km (0.114 R)
• M34: 52,748,209 km (0.118 R)
• M35: 56,549,491 km (0.08 R)
• M36: 60,529,393 km (0.069 R)
• M37: 63,084,524 km (0.107 R)
• M38: 64,287,591 km (0.11 R)
• M39: 66,739,649 km (0.054 R)
• M40: 66,946,693 km (0.096 R)
• M41: 67,779,504 km (0.028 R)
• M42: 72,921,183 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 5.5

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.12 AU - 9.84 AU

Year: 19148 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,642,222 km

• M1: 68,665 km (0.106 R)
• M2: 457,321 km (0.079 R)
• M3: 779,704 km (0.093 R)
• M4: 5,033,819 km (0.075 R)
• M5: 6,593,975 km (0.058 R)
• M6: 7,086,451 km (0.081 R)
• M7: 7,507,420 km (0.1 R)
• M8: 8,502,545 km (0.113 R)
• M9: 9,249,487 km (0.098 R)
• M10: 12,011,662 km (0.109 R)
• M11: 12,341,525 km (0.075 R)
• M12: 15,432,965 km (0.063 R)
• M13: 17,197,921 km (0.108 R)
• M14: 18,129,018 km (0.032 R)
• M15: 19,998,991 km (0.105 R)
• M16: 30,441,222 km (0.092 R)
• M17: 31,550,789 km (0.114 R)
• M18: 33,329,957 km (0.103 R)
• M19: 44,167,575 km (0.115 R)
• M20: 46,876,493 km (0.102 R)
• M21: 51,749,793 km (0.103 R)
• M22: 54,039,987 km (0.098 R)
• M23: 55,482,260 km (0.106 R)
• M24: 58,821,135 km (0.069 R)
• M25: 61,508,661 km (0.12 R)
• M26: 64,477,879 km (0.055 R)
• M27: 64,679,238 km (0.038 R)
• M28: 65,691,866 km (0.066 R)
• M29: 66,304,619 km (0.091 R)
• M30: 69,636,612 km (0.064 R)
• M31: 72,424,668 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit