🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 13.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 109.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,723,689 km

• M1: 162,912 km (0.089 R)
• M2: 650,900 km (0.098 R)
• M3: 1,364,931 km (0.085 R)
• M4: 2,314,129 km (0.111 R)
• M5: 2,888,735 km (0.102 R)
• M6: 3,675,320 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.66 AU - 2.04 AU

Year: 1737 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,723,689 km

• M1: 166,652 km (0.102 R)
• M2: 613,351 km (0.064 R)
• M3: 1,109,567 km (0.069 R)
• M4: 1,665,473 km (0.075 R)
• M5: 2,158,248 km (0.114 R)
• M6: 2,710,564 km (0.092 R)
• M7: 3,371,188 km (0.083 R)
• M8: 3,902,560 km (0.116 R)
• M9: 4,364,069 km (0.059 R)
• M10: 4,842,932 km (0.118 R)
• M11: 5,863,638 km (0.11 R)
• M12: 6,471,903 km (0.111 R)
• M13: 7,709,975 km (0.092 R)
• M14: 8,137,825 km (0.114 R)
• M15: 8,695,077 km (0.118 R)
• M16: 11,559,427 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 13.5

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.76 AU - 2.16 AU

Year: 1894 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,723,689 km

• M1: 169,794 km (0.052 R)
• M2: 604,824 km (0.062 R)
• M3: 1,504,655 km (0.095 R)
• M4: 2,179,342 km (0.038 R)
• M5: 3,195,859 km (0.116 R)
• M6: 3,647,046 km (0.114 R)
• M7: 4,105,414 km (0.074 R)
• M8: 5,098,445 km (0.042 R)
• M9: 6,606,990 km (0.105 R)
• M10: 7,188,178 km (0.071 R)
• M11: 7,721,195 km (0.097 R)
• M12: 8,599,484 km (0.111 R)
• M13: 9,894,553 km (0.109 R)
• M14: 10,656,904 km (0.088 R)
• M15: 11,104,800 km (0.066 R)
• M16: 11,673,571 km (0.027 R)
• M17: 12,224,240 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 13.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.28 AU - 2.56 AU

Year: 2599 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,723,689 km

• M1: 169,195 km (0.044 R)
• M2: 610,659 km (0.082 R)
• M3: 1,497,774 km (0.108 R)
• M4: 2,902,797 km (0.108 R)
• M5: 3,403,202 km (0.11 R)
• M6: 3,961,052 km (0.092 R)
• M7: 4,685,405 km (0.083 R)
• M8: 5,239,217 km (0.105 R)
• M9: 6,164,779 km (0.04 R)
• M10: 7,936,466 km (0.107 R)
• M11: 11,970,074 km (0.103 R)
• M12: 13,095,349 km (0.066 R)
• M13: 13,573,464 km (0.109 R)
• M14: 15,125,691 km (0.089 R)
• M15: 17,254,618 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.3

Radius: 14.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.39 AU - 2.67 AU

Year: 2778 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,723,689 km

• M1: 182,210 km (0.11 R)
• M2: 706,850 km (0.069 R)
• M3: 1,469,649 km (0.096 R)
• M4: 1,924,726 km (0.115 R)
• M5: 2,747,664 km (0.076 R)
• M6: 3,536,344 km (0.091 R)
• M7: 4,393,091 km (0.117 R)
• M8: 5,096,201 km (0.112 R)
• M9: 5,921,533 km (0.03 R)
• M10: 8,075,742 km (0.063 R)
• M11: 9,069,221 km (0.103 R)
• M12: 9,900,985 km (0.09 R)
• M13: 11,526,067 km (0.093 R)
• M14: 12,542,734 km (0.096 R)
• M15: 13,961,371 km (0.049 R)
• M16: 15,299,973 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 10.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.57 AU - 4.83 AU

Year: 5941 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,723,689 km

• M1: 443,258 km (0.04 R)
• M2: 798,853 km (0.114 R)
• M3: 1,753,736 km (0.052 R)
• M4: 2,585,650 km (0.049 R)
• M5: 3,136,768 km (0.093 R)
• M6: 3,743,986 km (0.05 R)
• M7: 4,289,121 km (0.117 R)
• M8: 5,538,412 km (0.12 R)
• M9: 7,776,696 km (0.103 R)
• M10: 8,555,502 km (0.034 R)
• M11: 10,267,799 km (0.04 R)
• M12: 10,857,664 km (0.081 R)
• M13: 12,620,525 km (0.078 R)
• M14: 17,402,571 km (0.111 R)
• M15: 19,169,621 km (0.062 R)
• M16: 19,677,356 km (0.044 R)
• M17: 25,260,498 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 3.9

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.05 AU - 6.65 AU

Year: 11045 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 28,723,689 km

• M1: 48,619 km (0.071 R)
• M2: 218,114 km (0.12 R)
• M3: 906,114 km (0.059 R)
• M4: 1,715,888 km (0.104 R)
• M5: 2,608,239 km (0.11 R)
• M6: 2,899,356 km (0.082 R)
• M7: 3,448,381 km (0.103 R)
• M8: 3,620,717 km (0.09 R)
• M9: 4,284,034 km (0.109 R)
• M10: 4,839,641 km (0.063 R)
• M11: 5,675,743 km (0.079 R)
• M12: 6,381,396 km (0.082 R)
• M13: 6,717,244 km (0.105 R)
• M14: 8,222,797 km (0.114 R)
• M15: 8,486,388 km (0.077 R)
• M16: 8,938,323 km (0.053 R)
• M17: 9,123,525 km (0.105 R)
• M18: 9,939,432 km (0.048 R)
• M19: 10,854,971 km (0.118 R)
• M20: 12,217,957 km (0.105 R)
• M21: 13,447,652 km (0.098 R)
• M22: 14,693,204 km (0.118 R)
• M23: 15,146,784 km (0.117 R)
• M24: 16,287,169 km (0.099 R)
• M25: 16,563,476 km (0.11 R)
• M26: 20,526,922 km (0.109 R)
• M27: 22,088,874 km (0.098 R)
• M28: 22,942,030 km (0.109 R)
• M29: 24,804,524 km (0.071 R)
• M30: 26,100,789 km (0.103 R)
• M31: 28,128,738 km (0.047 R)
• M32: 29,845,374 km (0.098 R)
• M33: 33,042,878 km (0.113 R)
• M34: 35,875,963 km (0.107 R)
• M35: 38,621,533 km (0.108 R)
• M36: 43,591,623 km (0.116 R)
• M37: 45,611,344 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 4.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.89 AU - 7.19 AU

Year: 11545 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,723,689 km

• M1: 54,753 km (0.113 R)
• M2: 403,465 km (0.103 R)
• M3: 594,352 km (0.046 R)
• M4: 753,973 km (0.093 R)
• M5: 892,351 km (0.109 R)
• M6: 1,283,849 km (0.068 R)
• M7: 1,471,893 km (0.108 R)
• M8: 2,074,324 km (0.103 R)
• M9: 3,925,149 km (0.116 R)
• M10: 5,280,655 km (0.091 R)
• M11: 8,259,598 km (0.113 R)
• M12: 8,485,640 km (0.115 R)
• M13: 8,950,441 km (0.105 R)
• M14: 18,162,827 km (0.102 R)
• M15: 19,792,247 km (0.087 R)
• M16: 20,746,083 km (0.058 R)
• M17: 27,620,105 km (0.064 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: 413 - 18,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit