🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 9.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,600,793 km

• M1: 122,371 km (0.088 R)
• M2: 465,100 km (0.055 R)
• M3: 787,633 km (0.109 R)
• M4: 1,188,256 km (0.087 R)
• M5: 1,612,964 km (0.051 R)
• M6: 2,098,858 km (0.029 R)
• M7: 2,415,108 km (0.102 R)
• M8: 4,339,984 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385

Radius: 10.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,600,793 km

• M1: 126,859 km (0.103 R)
• M2: 448,195 km (0.113 R)
• M3: 873,053 km (0.103 R)
• M4: 1,362,837 km (0.104 R)
• M5: 1,748,650 km (0.094 R)
• M6: 2,085,544 km (0.083 R)
• M7: 2,735,846 km (0.105 R)
• M8: 3,108,943 km (0.108 R)
• M9: 3,493,260 km (0.115 R)
• M10: 4,278,649 km (0.068 R)
• M11: 4,699,318 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 12.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.81 AU - 1.09 AU

Year: 628 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,600,793 km

• M1: 150,495 km (0.093 R)
• M2: 620,083 km (0.118 R)
• M3: 1,042,548 km (0.102 R)
• M4: 1,776,325 km (0.096 R)
• M5: 2,245,314 km (0.118 R)
• M6: 2,948,125 km (0.084 R)
• M7: 3,708,681 km (0.108 R)
• M8: 4,188,591 km (0.064 R)
• M9: 7,132,677 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.2

Radius: 14.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.9 AU - 2.18 AU

Year: 1976 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,600,793 km

• M1: 186,399 km (0.098 R)
• M2: 1,817,016 km (0.083 R)
• M3: 2,643,245 km (0.076 R)
• M4: 3,129,288 km (0.118 R)
• M5: 3,641,661 km (0.073 R)
• M6: 4,154,482 km (0.051 R)
• M7: 4,983,255 km (0.081 R)
• M8: 5,550,081 km (0.06 R)
• M9: 6,633,319 km (0.063 R)
• M10: 7,824,717 km (0.06 R)
• M11: 8,623,868 km (0.114 R)
• M12: 9,640,835 km (0.082 R)
• M13: 11,875,378 km (0.119 R)
• M14: 14,874,965 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 11.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.77 AU - 4.35 AU

Year: 4556 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,600,793 km

• M1: 143,165 km (0.114 R)
• M2: 570,117 km (0.108 R)
• M3: 993,779 km (0.097 R)
• M4: 1,503,459 km (0.096 R)
• M5: 1,941,332 km (0.074 R)
• M6: 2,400,148 km (0.109 R)
• M7: 2,840,265 km (0.112 R)
• M8: 3,394,675 km (0.031 R)
• M9: 3,796,345 km (0.066 R)
• M10: 5,251,334 km (0.115 R)
• M11: 7,495,003 km (0.098 R)
• M12: 8,789,623 km (0.117 R)
• M13: 9,718,177 km (0.055 R)
• M14: 12,897,730 km (0.073 R)
• M15: 13,461,864 km (0.047 R)
• M16: 14,474,940 km (0.114 R)
• M17: 17,569,821 km (0.099 R)
• M18: 19,571,291 km (0.066 R)
• M19: 22,226,803 km (0.109 R)
• M20: 23,338,165 km (0.113 R)
• M21: 28,499,442 km (0.084 R)
• M22: 29,281,539 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 11.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.05 AU - 4.75 AU

Year: 6260 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,600,793 km

• M1: 140,622 km (0.044 R)
• M2: 571,613 km (0.099 R)
• M3: 1,099,694 km (0.092 R)
• M4: 2,207,616 km (0.113 R)
• M5: 2,740,184 km (0.09 R)
• M6: 3,721,247 km (0.066 R)
• M7: 4,555,704 km (0.109 R)
• M8: 5,003,899 km (0.093 R)
• M9: 5,627,573 km (0.109 R)
• M10: 6,051,084 km (0.113 R)
• M11: 6,726,219 km (0.083 R)
• M12: 7,168,880 km (0.119 R)
• M13: 8,773,766 km (0.026 R)
• M14: 11,539,830 km (0.119 R)
• M15: 12,275,552 km (0.109 R)
• M16: 15,070,190 km (0.031 R)
• M17: 18,395,153 km (0.092 R)
• M18: 19,673,018 km (0.097 R)
• M19: 20,722,895 km (0.092 R)
• M20: 22,630,717 km (0.109 R)
• M21: 24,175,913 km (0.072 R)
• M22: 24,572,946 km (0.077 R)
• M23: 25,461,857 km (0.084 R)
• M24: 26,038,557 km (0.051 R)
• M25: 26,877,501 km (0.045 R)
• M26: 29,593,002 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.8

Radius: 6.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.07 AU - 8.19 AU

Year: 12913 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,600,793 km

• M1: 115,340 km (0.091 R)
• M2: 623,823 km (0.075 R)
• M3: 1,035,217 km (0.109 R)
• M4: 1,278,015 km (0.061 R)
• M5: 1,531,583 km (0.118 R)
• M6: 1,880,146 km (0.095 R)
• M7: 2,558,572 km (0.077 R)
• M8: 3,182,994 km (0.106 R)
• M9: 3,981,996 km (0.063 R)
• M10: 6,982,780 km (0.062 R)
• M11: 7,490,515 km (0.037 R)
• M12: 8,623,719 km (0.045 R)
• M13: 9,300,350 km (0.063 R)
• M14: 9,818,707 km (0.112 R)
• M15: 10,109,525 km (0.076 R)
• M16: 11,068,148 km (0.076 R)
• M17: 11,812,397 km (0.088 R)
• M18: 12,476,462 km (0.112 R)
• M19: 12,875,141 km (0.096 R)
• M20: 13,459,470 km (0.071 R)
• M21: 13,878,793 km (0.094 R)
• M22: 15,578,374 km (0.087 R)
• M23: 16,444,247 km (0.059 R)
• M24: 18,637,800 km (0.069 R)
• M25: 19,309,495 km (0.114 R)
• M26: 20,386,151 km (0.112 R)
• M27: 20,622,066 km (0.065 R)
• M28: 22,658,692 km (0.104 R)
• M29: 25,004,686 km (0.098 R)
• M30: 30,685,216 km (0.107 R)
• M31: 31,621,100 km (0.071 R)
• M32: 33,768,578 km (0.106 R)
• M33: 38,471,187 km (0.052 R)
• M34: 39,680,985 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.7

Radius: 5.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.84 AU - 9.24 AU

Year: 18435 Days

Day: 19.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,600,793 km

• M1: 73,602 km (0.1 R)
• M2: 378,931 km (0.115 R)
• M3: 1,257,968 km (0.038 R)
• M4: 1,606,980 km (0.111 R)
• M5: 2,275,832 km (0.114 R)
• M6: 3,906,748 km (0.093 R)
• M7: 5,036,960 km (0.075 R)
• M8: 5,676,940 km (0.047 R)
• M9: 6,051,383 km (0.115 R)
• M10: 6,774,091 km (0.064 R)
• M11: 9,194,136 km (0.079 R)
• M12: 9,758,269 km (0.065 R)
• M13: 13,517,963 km (0.114 R)
• M14: 15,001,674 km (0.032 R)
• M15: 15,650,780 km (0.076 R)
• M16: 15,982,139 km (0.08 R)
• M17: 16,796,849 km (0.103 R)
• M18: 18,070,226 km (0.085 R)
• M19: 23,548,949 km (0.1 R)
• M20: 25,871,306 km (0.097 R)
• M21: 27,951,913 km (0.116 R)
• M22: 28,341,915 km (0.08 R)
• M23: 29,634,291 km (0.119 R)
• M24: 33,636,632 km (0.091 R)
• M25: 37,274,553 km (0.107 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: 435 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit