🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 14.3

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.57 AU - 5.49 AU

Year: 4080 Days

Day: 6.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,355,656 km

• M1: 177,872 km (0.071 R)
• M2: 705,204 km (0.074 R)
• M3: 1,160,431 km (0.088 R)
• M4: 1,664,426 km (0.061 R)
• M5: 2,581,461 km (0.106 R)
• M6: 3,099,817 km (0.116 R)
• M7: 3,771,811 km (0.108 R)
• M8: 5,142,726 km (0.101 R)
• M9: 5,942,626 km (0.119 R)
• M10: 7,017,187 km (0.081 R)
• M11: 7,966,984 km (0.065 R)
• M12: 9,312,467 km (0.098 R)
• M13: 10,290,389 km (0.063 R)
• M14: 11,516,642 km (0.111 R)
• M15: 12,985,544 km (0.105 R)
• M16: 13,535,915 km (0.062 R)
• M17: 15,502,079 km (0.097 R)
• M18: 16,408,792 km (0.09 R)
• M19: 17,052,512 km (0.087 R)
• M20: 18,328,133 km (0.067 R)
• M21: 21,482,105 km (0.078 R)
• M22: 22,680,982 km (0.089 R)
• M23: 24,223,186 km (0.106 R)
• M24: 25,135,285 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 8.5

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.95 AU - 5.87 AU

Year: 4551 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,355,656 km

• M1: 109,805 km (0.029 R)
• M2: 388,057 km (0.078 R)
• M3: 682,914 km (0.095 R)
• M4: 1,049,279 km (0.083 R)
• M5: 1,497,175 km (0.109 R)
• M6: 2,158,697 km (0.101 R)
• M7: 2,463,129 km (0.083 R)
• M8: 4,775,613 km (0.032 R)
• M9: 6,131,568 km (0.116 R)
• M10: 11,668,036 km (0.1 R)
• M11: 12,611,699 km (0.059 R)
• M12: 13,659,183 km (0.085 R)
• M13: 16,961,855 km (0.103 R)
• M14: 18,302,103 km (0.065 R)
• M15: 20,478,004 km (0.092 R)
• M16: 20,976,015 km (0.093 R)
• M17: 21,409,250 km (0.09 R)
• M18: 21,701,415 km (0.06 R)
• M19: 22,518,668 km (0.06 R)
• M20: 23,433,310 km (0.115 R)
• M21: 23,743,725 km (0.074 R)
• M22: 25,255,412 km (0.118 R)
• M23: 30,819,555 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 14.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.76 AU - 7.12 AU

Year: 5236 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,355,656 km

• M1: 183,706 km (0.041 R)
• M2: 753,375 km (0.106 R)
• M3: 1,247,048 km (0.108 R)
• M4: 1,896,602 km (0.062 R)
• M5: 7,518,340 km (0.047 R)
• M6: 8,951,937 km (0.083 R)
• M7: 10,605,891 km (0.105 R)
• M8: 11,672,374 km (0.092 R)
• M9: 12,355,887 km (0.101 R)
• M10: 19,492,004 km (0.088 R)
• M11: 20,038,635 km (0.113 R)
• M12: 20,665,599 km (0.057 R)
• M13: 21,449,791 km (0.073 R)
• M14: 25,590,511 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.3

Radius: 10.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.49 AU - 7.47 AU

Year: 5289 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 86.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,355,656 km

• M1: 128,056 km (0.05 R)
• M2: 457,021 km (0.046 R)
• M3: 788,979 km (0.106 R)
• M4: 1,221,467 km (0.083 R)
• M5: 1,540,708 km (0.078 R)
• M6: 2,385,039 km (0.071 R)
• M7: 2,768,159 km (0.114 R)
• M8: 3,096,377 km (0.095 R)
• M9: 3,943,250 km (0.041 R)
• M10: 4,336,992 km (0.111 R)
• M11: 4,731,481 km (0.087 R)
• M12: 5,285,592 km (0.112 R)
• M13: 6,182,132 km (0.07 R)
• M14: 6,555,229 km (0.111 R)
• M15: 13,184,509 km (0.099 R)
• M16: 18,003,805 km (0.109 R)
• M17: 21,822,889 km (0.084 R)
• M18: 22,471,545 km (0.035 R)
• M19: 23,058,866 km (0.071 R)
• M20: 25,511,224 km (0.099 R)
• M21: 25,829,419 km (0.115 R)
• M22: 26,882,289 km (0.096 R)
• M23: 27,460,933 km (0.119 R)
• M24: 28,472,065 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.7

Radius: 12.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.4 AU - 12.12 AU

Year: 13665 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,355,656 km

• M1: 159,172 km (0.111 R)
• M2: 958,922 km (0.104 R)
• M3: 1,692,700 km (0.108 R)
• M4: 2,923,442 km (0.081 R)
• M5: 3,502,685 km (0.095 R)
• M6: 4,813,012 km (0.092 R)
• M7: 9,808,235 km (0.05 R)
• M8: 10,604,544 km (0.051 R)
• M9: 13,043,738 km (0.071 R)
• M10: 13,734,880 km (0.117 R)
• M11: 15,248,212 km (0.069 R)
• M12: 18,274,277 km (0.05 R)
• M13: 22,954,447 km (0.069 R)
• M14: 24,278,238 km (0.112 R)
• M15: 26,066,232 km (0.046 R)
• M16: 26,652,955 km (0.1 R)
• M17: 28,378,417 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.1

Radius: 5.2

Gravity: 29.07 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 13.39 AU - 17.79 AU

Year: 22262 Days

Day: 15.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,355,656 km

• M1: 65,374 km (0.089 R)
• M2: 235,617 km (0.03 R)
• M3: 434,881 km (0.084 R)
• M4: 688,898 km (0.069 R)
• M5: 975,079 km (0.073 R)
• M6: 1,160,131 km (0.064 R)
• M7: 1,823,299 km (0.092 R)
• M8: 2,215,245 km (0.069 R)
• M9: 2,514,291 km (0.093 R)
• M10: 3,395,423 km (0.115 R)
• M11: 3,922,007 km (0.089 R)
• M12: 8,716,320 km (0.086 R)
• M13: 12,721,055 km (0.088 R)
• M14: 13,010,228 km (0.064 R)
• M15: 17,445,505 km (0.091 R)
• M16: 19,185,478 km (0.072 R)
• M17: 36,132,823 km (0.095 R)
• M18: 39,553,976 km (0.109 R)
• M19: 40,636,466 km (0.115 R)
• M20: 43,510,541 km (0.054 R)
• M21: 60,539,266 km (0.04 R)
• M22: 74,998,200 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.9

Radius: 7.6

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 14.17 AU - 21.07 AU

Year: 26748 Days

Day: 16.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,355,656 km

• M1: 95,294 km (0.1 R)
• M2: 349,161 km (0.112 R)
• M3: 827,725 km (0.049 R)
• M4: 1,248,993 km (0.11 R)
• M5: 1,731,296 km (0.086 R)
• M6: 2,026,453 km (0.117 R)
• M7: 2,286,603 km (0.059 R)
• M8: 2,928,229 km (0.118 R)
• M9: 3,811,305 km (0.077 R)
• M10: 6,406,678 km (0.107 R)
• M11: 10,883,694 km (0.064 R)
• M12: 11,482,983 km (0.052 R)
• M13: 14,494,538 km (0.05 R)
• M14: 15,301,917 km (0.11 R)
• M15: 15,968,974 km (0.111 R)
• M16: 17,903,574 km (0.03 R)
• M17: 21,192,782 km (0.12 R)
• M18: 22,443,720 km (0.054 R)
• M19: 23,853,680 km (0.078 R)
• M20: 32,202,587 km (0.062 R)
• M21: 33,853,549 km (0.078 R)
• M22: 34,984,958 km (0.072 R)
• M23: 38,074,902 km (0.052 R)
• M24: 40,547,755 km (0.094 R)
• M25: 41,662,558 km (0.086 R)
• M26: 43,953,201 km (0.067 R)
• M27: 51,883,085 km (0.046 R)
• M28: 55,889,465 km (0.089 R)
• M29: 59,483,853 km (0.108 R)
• M30: 61,545,761 km (0.101 R)
• M31: 67,794,165 km (0.095 R)
• M32: 73,040,562 km (0.09 R)
• M33: 76,362,981 km (0.025 R)
• M34: 78,061,366 km (0.102 R)
• M35: 81,533,383 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.3

Radius: 6.8

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.07 AU - 19.83 AU

Year: 27503 Days

Day: 19.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,355,656 km

• M1: 84,672 km (0.107 R)
• M2: 348,862 km (0.084 R)
• M3: 661,821 km (0.081 R)
• M4: 1,568,085 km (0.07 R)
• M5: 1,817,764 km (0.049 R)
• M6: 2,609,136 km (0.105 R)
• M7: 6,659,050 km (0.089 R)
• M8: 7,515,647 km (0.058 R)
• M9: 11,952,271 km (0.084 R)
• M10: 16,160,609 km (0.083 R)
• M11: 18,412,805 km (0.106 R)
• M12: 19,803,168 km (0.092 R)
• M13: 21,562,139 km (0.045 R)
• M14: 23,105,391 km (0.045 R)
• M15: 28,055,285 km (0.097 R)
• M16: 30,904,078 km (0.085 R)
• M17: 33,803,883 km (0.042 R)
• M18: 39,381,490 km (0.071 R)
• M19: 44,067,494 km (0.074 R)
• M20: 47,219,820 km (0.113 R)
• M21: 49,636,573 km (0.025 R)
• M22: 51,232,932 km (0.037 R)
• M23: 52,863,250 km (0.041 R)
• M24: 54,527,975 km (0.11 R)
• M25: 54,902,568 km (0.077 R)
• M26: 57,961,396 km (0.059 R)
• M27: 58,743,643 km (0.074 R)
• M28: 59,929,954 km (0.106 R)
• M29: 61,942,494 km (0.1 R)
• M30: 79,450,083 km (0.108 R)
• M31: 81,387,674 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 4.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 15.28 AU - 23.22 AU

Year: 30545 Days

Day: 19.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,355,656 km

• M1: 61,335 km (0.102 R)
• M2: 395,686 km (0.085 R)
• M3: 1,144,274 km (0.116 R)
• M4: 1,416,093 km (0.104 R)
• M5: 1,684,472 km (0.092 R)
• M6: 5,065,833 km (0.108 R)
• M7: 6,446,023 km (0.071 R)
• M8: 8,277,998 km (0.117 R)
• M9: 10,225,613 km (0.066 R)
• M10: 12,113,538 km (0.083 R)
• M11: 14,095,261 km (0.111 R)
• M12: 20,740,398 km (0.12 R)
• M13: 25,195,273 km (0.045 R)
• M14: 31,312,181 km (0.105 R)
• M15: 35,116,604 km (0.051 R)
• M16: 38,719,669 km (0.074 R)
• M17: 40,354,624 km (0.084 R)
• M18: 45,121,710 km (0.078 R)
• M19: 45,812,104 km (0.106 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 15,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit