🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 8.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.55 AU - 0.71 AU

Year: 333 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,798,339 km

• M1: 102,175 km (0.12 R)
• M2: 391,049 km (0.118 R)
• M3: 707,000 km (0.106 R)
• M4: 1,032,973 km (0.114 R)
• M5: 1,397,843 km (0.098 R)
• M6: 1,685,669 km (0.029 R)
• M7: 2,358,710 km (0.054 R)
• M8: 2,656,709 km (0.091 R)
• M9: 3,131,831 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.6

Radius: 13.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.67 AU - 1.03 AU

Year: 523 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,798,339 km

• M1: 167,998 km (0.056 R)
• M2: 874,400 km (0.074 R)
• M3: 1,425,518 km (0.082 R)
• M4: 2,269,848 km (0.086 R)
• M5: 2,702,486 km (0.079 R)
• M6: 3,122,407 km (0.07 R)
• M7: 4,462,953 km (0.097 R)
• M8: 5,182,519 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 9.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.05 AU - 1.41 AU

Year: 910 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,798,339 km

• M1: 120,127 km (0.069 R)
• M2: 552,764 km (0.06 R)
• M3: 886,816 km (0.093 R)
• M4: 1,421,329 km (0.103 R)
• M5: 1,726,359 km (0.093 R)
• M6: 2,219,883 km (0.083 R)
• M7: 2,724,177 km (0.093 R)
• M8: 3,349,646 km (0.119 R)
• M9: 4,506,187 km (0.087 R)
• M10: 5,052,070 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 13.1

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.69 AU - 5.05 AU

Year: 6092 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,798,339 km

• M1: 162,912 km (0.066 R)
• M2: 744,698 km (0.053 R)
• M3: 1,456,634 km (0.069 R)
• M4: 1,892,114 km (0.08 R)
• M5: 2,975,053 km (0.095 R)
• M6: 3,783,480 km (0.084 R)
• M7: 4,930,447 km (0.067 R)
• M8: 5,966,262 km (0.11 R)
• M9: 7,142,251 km (0.035 R)
• M10: 7,824,567 km (0.028 R)
• M11: 8,971,983 km (0.055 R)
• M12: 9,676,439 km (0.038 R)
• M13: 10,656,604 km (0.099 R)
• M14: 11,245,721 km (0.046 R)
• M15: 12,651,342 km (0.102 R)
• M16: 14,170,808 km (0.073 R)
• M17: 15,188,073 km (0.106 R)
• M18: 16,189,482 km (0.108 R)
• M19: 17,234,423 km (0.103 R)
• M20: 17,978,523 km (0.111 R)
• M21: 18,603,094 km (0.094 R)
• M22: 19,676,309 km (0.072 R)
• M23: 23,389,029 km (0.119 R)
• M24: 27,000,321 km (0.073 R)
• M25: 27,545,007 km (0.107 R)
• M26: 28,004,422 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 9.6

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.07 AU - 6.37 AU

Year: 7953 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,798,339 km

• M1: 129,701 km (0.032 R)
• M2: 456,423 km (0.039 R)
• M3: 1,044,044 km (0.107 R)
• M4: 1,499,569 km (0.08 R)
• M5: 2,239,630 km (0.113 R)
• M6: 2,632,773 km (0.03 R)
• M7: 2,941,393 km (0.081 R)
• M8: 3,938,014 km (0.11 R)
• M9: 4,456,820 km (0.12 R)
• M10: 7,000,582 km (0.093 R)
• M11: 8,185,995 km (0.093 R)
• M12: 8,849,312 km (0.066 R)
• M13: 9,217,473 km (0.095 R)
• M14: 9,837,556 km (0.053 R)
• M15: 10,949,966 km (0.117 R)
• M16: 13,007,086 km (0.107 R)
• M17: 14,157,793 km (0.072 R)
• M18: 14,471,649 km (0.068 R)
• M19: 16,522,187 km (0.094 R)
• M20: 17,580,891 km (0.087 R)
• M21: 19,291,244 km (0.093 R)
• M22: 20,464,690 km (0.118 R)
• M23: 21,109,606 km (0.104 R)
• M24: 25,637,036 km (0.09 R)
• M25: 29,941,565 km (0.067 R)
• M26: 32,590,046 km (0.058 R)
• M27: 33,358,829 km (0.073 R)
• M28: 34,364,875 km (0.074 R)
• M29: 37,146,498 km (0.099 R)
• M30: 41,723,594 km (0.07 R)
• M31: 43,681,681 km (0.069 R)
• M32: 45,291,503 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.4

Radius: 6.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.8 AU - 7.82 AU

Year: 11851 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,798,339 km

• M1: 93,798 km (0.12 R)
• M2: 461,958 km (0.111 R)
• M3: 736,171 km (0.096 R)
• M4: 1,025,194 km (0.106 R)
• M5: 1,990,848 km (0.101 R)
• M6: 2,735,696 km (0.068 R)
• M7: 3,313,294 km (0.088 R)
• M8: 4,477,464 km (0.054 R)
• M9: 5,083,036 km (0.104 R)
• M10: 5,953,397 km (0.064 R)
• M11: 8,325,720 km (0.072 R)
• M12: 9,404,620 km (0.09 R)
• M13: 10,800,667 km (0.027 R)
• M14: 12,480,053 km (0.119 R)
• M15: 12,784,335 km (0.093 R)
• M16: 18,484,911 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 5.1

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.57 AU - 9.25 AU

Year: 13451 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,798,339 km

• M1: 66,571 km (0.098 R)
• M2: 294,558 km (0.081 R)
• M3: 467,493 km (0.112 R)
• M4: 777,161 km (0.109 R)
• M5: 953,238 km (0.118 R)
• M6: 1,896,452 km (0.049 R)
• M7: 2,096,764 km (0.111 R)
• M8: 2,481,679 km (0.113 R)
• M9: 2,890,829 km (0.111 R)
• M10: 3,319,876 km (0.1 R)
• M11: 4,220,006 km (0.085 R)
• M12: 4,504,541 km (0.066 R)
• M13: 4,711,286 km (0.115 R)
• M14: 5,841,797 km (0.106 R)
• M15: 6,414,457 km (0.066 R)
• M16: 7,063,114 km (0.09 R)
• M17: 7,587,903 km (0.09 R)
• M18: 12,238,452 km (0.098 R)
• M19: 16,538,793 km (0.117 R)
• M20: 19,024,511 km (0.029 R)
• M21: 24,448,930 km (0.038 R)
• M22: 25,180,463 km (0.094 R)
• M23: 27,462,429 km (0.095 R)
• M24: 28,153,122 km (0.064 R)
• M25: 33,650,844 km (0.119 R)
• M26: 37,366,706 km (0.07 R)
• M27: 43,705,317 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.1

Radius: 6

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.87 AU - 9.23 AU

Year: 15231 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,798,339 km

• M1: 74,649 km (0.105 R)
• M2: 280,496 km (0.112 R)
• M3: 895,044 km (0.052 R)
• M4: 2,068,340 km (0.113 R)
• M5: 3,092,188 km (0.116 R)
• M6: 3,939,810 km (0.062 R)
• M7: 4,542,689 km (0.045 R)
• M8: 5,240,114 km (0.109 R)
• M9: 5,743,062 km (0.05 R)
• M10: 6,761,973 km (0.103 R)
• M11: 7,490,066 km (0.1 R)
• M12: 7,850,298 km (0.101 R)
• M13: 10,368,778 km (0.028 R)
• M14: 13,119,584 km (0.111 R)
• M15: 14,180,382 km (0.113 R)
• M16: 14,662,087 km (0.111 R)
• M17: 15,225,772 km (0.068 R)
• M18: 16,698,114 km (0.053 R)
• M19: 19,752,604 km (0.103 R)
• M20: 21,054,404 km (0.103 R)
• M21: 21,411,046 km (0.079 R)
• M22: 24,508,320 km (0.041 R)
• M23: 28,321,719 km (0.028 R)
• M24: 33,712,479 km (0.106 R)
• M25: 36,072,983 km (0.102 R)
• M26: 37,488,778 km (0.079 R)
• M27: 37,750,125 km (0.078 R)
• M28: 38,012,669 km (0.107 R)
• M29: 47,834,966 km (0.046 R)
• M30: 54,907,654 km (0.1 R)
• M31: 56,606,937 km (0.118 R)
• M32: 57,296,433 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.3

Radius: 7.6

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.14 AU - 10.54 AU

Year: 19035 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,798,339 km

• M1: 94,546 km (0.084 R)
• M2: 360,082 km (0.112 R)
• M3: 625,319 km (0.11 R)
• M4: 889,958 km (0.11 R)
• M5: 1,432,250 km (0.095 R)
• M6: 1,707,660 km (0.089 R)
• M7: 2,683,636 km (0.072 R)
• M8: 3,374,778 km (0.105 R)
• M9: 3,629,843 km (0.101 R)
• M10: 4,052,457 km (0.072 R)
• M11: 4,678,075 km (0.081 R)
• M12: 4,996,120 km (0.069 R)
• M13: 5,328,527 km (0.101 R)
• M14: 6,501,224 km (0.119 R)
• M15: 11,799,083 km (0.051 R)
• M16: 12,590,755 km (0.104 R)
• M17: 18,975,293 km (0.102 R)
• M18: 19,422,591 km (0.103 R)
• M19: 20,618,775 km (0.044 R)
• M20: 21,378,882 km (0.116 R)
• M21: 24,925,249 km (0.042 R)
• M22: 27,571,636 km (0.088 R)
• M23: 29,080,629 km (0.117 R)
• M24: 31,633,367 km (0.118 R)
• M25: 34,068,222 km (0.037 R)
• M26: 34,995,879 km (0.106 R)
• M27: 41,816,046 km (0.09 R)
• M28: 53,449,674 km (0.107 R)
• M29: 69,787,257 km (0.068 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: 510 - 11,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit