🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.6

Radius: 13

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,629,849 km

• M1: 162,613 km (0.118 R)
• M2: 598,691 km (0.112 R)
• M3: 1,038,060 km (0.105 R)
• M4: 1,482,365 km (0.087 R)
• M5: 1,938,040 km (0.08 R)
• M6: 2,369,929 km (0.065 R)
• M7: 3,162,798 km (0.076 R)
• M8: 3,805,620 km (0.048 R)
• M9: 4,381,422 km (0.116 R)
• M10: 5,291,277 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.4

Radius: 11.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.66 AU - 0.68 AU

Year: 366 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,629,849 km

• M1: 147,952 km (0.106 R)
• M2: 594,203 km (0.048 R)
• M3: 1,298,659 km (0.12 R)
• M4: 1,891,964 km (0.093 R)
• M5: 2,431,414 km (0.052 R)
• M6: 2,904,443 km (0.106 R)
• M7: 3,695,217 km (0.086 R)
• M8: 4,098,682 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.4

Radius: 10.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,629,849 km

• M1: 132,095 km (0.118 R)
• M2: 465,399 km (0.115 R)
• M3: 1,072,018 km (0.117 R)
• M4: 1,643,183 km (0.105 R)
• M5: 2,694,258 km (0.094 R)
• M6: 3,264,974 km (0.033 R)
• M7: 3,892,088 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 11.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.77 AU - 0.93 AU

Year: 523 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,629,849 km

• M1: 143,016 km (0.061 R)
• M2: 510,578 km (0.045 R)
• M3: 939,923 km (0.104 R)
• M4: 1,714,541 km (0.081 R)
• M5: 2,328,192 km (0.078 R)
• M6: 2,818,573 km (0.078 R)
• M7: 3,712,122 km (0.104 R)
• M8: 4,333,551 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 12.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.99 AU - 1.23 AU

Year: 780 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 116.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,629,849 km

• M1: 157,975 km (0.078 R)
• M2: 674,387 km (0.096 R)
• M3: 1,255,425 km (0.059 R)
• M4: 1,878,201 km (0.103 R)
• M5: 2,464,027 km (0.105 R)
• M6: 2,903,994 km (0.067 R)
• M7: 4,843,381 km (0.112 R)
• M8: 5,332,117 km (0.095 R)
• M9: 5,853,615 km (0.063 R)
• M10: 6,451,558 km (0.115 R)
• M11: 8,365,812 km (0.094 R)
• M12: 8,911,695 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 12.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.3 AU - 2.72 AU

Year: 2652 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,629,849 km

• M1: 161,566 km (0.11 R)
• M2: 698,173 km (0.119 R)
• M3: 1,425,668 km (0.105 R)
• M4: 2,193,105 km (0.118 R)
• M5: 2,664,338 km (0.077 R)
• M6: 3,291,153 km (0.077 R)
• M7: 3,717,058 km (0.086 R)
• M8: 4,158,821 km (0.118 R)
• M9: 4,613,449 km (0.09 R)
• M10: 6,402,938 km (0.063 R)
• M11: 7,223,034 km (0.104 R)
• M12: 8,013,210 km (0.12 R)
• M13: 9,143,422 km (0.119 R)
• M14: 10,455,545 km (0.081 R)
• M15: 11,550,751 km (0.034 R)
• M16: 12,454,322 km (0.101 R)
• M17: 12,855,843 km (0.112 R)
• M18: 13,311,967 km (0.093 R)
• M19: 14,451,005 km (0.075 R)
• M20: 15,398,109 km (0.079 R)
• M21: 16,122,013 km (0.113 R)
• M22: 20,331,847 km (0.101 R)
• M23: 21,077,442 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 11

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.11 AU - 2.99 AU

Year: 2715 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,629,849 km

• M1: 137,032 km (0.116 R)
• M2: 580,141 km (0.11 R)
• M3: 1,331,122 km (0.104 R)
• M4: 1,758,673 km (0.11 R)
• M5: 2,211,057 km (0.105 R)
• M6: 2,559,919 km (0.094 R)
• M7: 3,335,434 km (0.091 R)
• M8: 3,797,841 km (0.089 R)
• M9: 4,991,034 km (0.112 R)
• M10: 5,448,055 km (0.068 R)
• M11: 6,281,166 km (0.11 R)
• M12: 6,814,781 km (0.062 R)
• M13: 8,102,071 km (0.092 R)
• M14: 8,769,278 km (0.053 R)
• M15: 9,690,800 km (0.041 R)
• M16: 10,442,829 km (0.114 R)
• M17: 12,844,324 km (0.12 R)
• M18: 13,520,955 km (0.082 R)
• M19: 14,459,831 km (0.115 R)
• M20: 15,291,595 km (0.094 R)
• M21: 17,104,273 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.1

Radius: 10.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.92 AU - 3.92 AU

Year: 5176 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,629,849 km

• M1: 135,536 km (0.031 R)
• M2: 853,456 km (0.104 R)
• M3: 1,234,631 km (0.12 R)
• M4: 2,076,867 km (0.101 R)
• M5: 2,517,433 km (0.115 R)
• M6: 3,325,561 km (0.107 R)
• M7: 3,822,974 km (0.117 R)
• M8: 5,591,370 km (0.107 R)
• M9: 6,235,987 km (0.072 R)
• M10: 8,507,930 km (0.025 R)
• M11: 10,442,530 km (0.05 R)
• M12: 11,604,905 km (0.097 R)
• M13: 12,313,700 km (0.102 R)
• M14: 12,851,654 km (0.071 R)
• M15: 16,414,776 km (0.074 R)
• M16: 18,358,950 km (0.033 R)
• M17: 18,868,031 km (0.07 R)
• M18: 20,588,108 km (0.031 R)
• M19: 21,980,565 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.4

Radius: 5.2

Gravity: 31.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.48 AU - 10.02 AU

Year: 15802 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,629,849 km

• M1: 64,626 km (0.03 R)
• M2: 252,372 km (0.074 R)
• M3: 445,652 km (0.102 R)
• M4: 1,092,364 km (0.115 R)
• M5: 1,455,438 km (0.039 R)
• M6: 1,648,569 km (0.106 R)
• M7: 2,463,578 km (0.097 R)
• M8: 2,959,195 km (0.116 R)
• M9: 4,306,324 km (0.119 R)
• M10: 4,503,494 km (0.053 R)
• M11: 4,672,540 km (0.098 R)
• M12: 5,353,659 km (0.117 R)
• M13: 5,856,457 km (0.108 R)
• M14: 6,517,830 km (0.07 R)
• M15: 7,366,349 km (0.106 R)
• M16: 8,286,076 km (0.1 R)
• M17: 8,852,304 km (0.115 R)
• M18: 9,117,990 km (0.117 R)
• M19: 10,645,983 km (0.059 R)
• M20: 13,628,815 km (0.104 R)
• M21: 16,478,505 km (0.098 R)
• M22: 18,903,486 km (0.081 R)
• M23: 19,167,227 km (0.114 R)
• M24: 20,063,917 km (0.067 R)
• M25: 23,422,688 km (0.077 R)
• M26: 24,343,164 km (0.113 R)
• M27: 25,394,089 km (0.118 R)
• M28: 34,649,560 km (0.106 R)
• M29: 38,453,833 km (0.1 R)
• M30: 40,021,470 km (0.08 R)
• M31: 48,831,737 km (0.064 R)
• M32: 57,552,395 km (0.058 R)
• M33: 58,477,658 km (0.093 R)
• M34: 67,459,664 km (0.069 R)
• M35: 68,075,409 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 3

Gravity: 39.91 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.89 AU - 9.67 AU

Year: 15888 Days

Day: 18.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,629,849 km

• M1: 37,848 km (0.118 R)
• M2: 175,478 km (0.115 R)
• M3: 433,235 km (0.083 R)
• M4: 711,188 km (0.074 R)
• M5: 1,049,728 km (0.06 R)
• M6: 1,728,603 km (0.104 R)
• M7: 1,876,256 km (0.036 R)
• M8: 2,968,919 km (0.103 R)
• M9: 3,328,104 km (0.096 R)
• M10: 3,662,006 km (0.099 R)
• M11: 3,850,948 km (0.115 R)
• M12: 6,493,744 km (0.06 R)
• M13: 6,650,972 km (0.108 R)
• M14: 6,850,834 km (0.062 R)
• M15: 7,054,886 km (0.079 R)
• M16: 7,179,202 km (0.102 R)
• M17: 8,045,822 km (0.118 R)
• M18: 11,625,999 km (0.063 R)
• M19: 14,215,538 km (0.116 R)
• M20: 14,614,216 km (0.111 R)
• M21: 15,364,599 km (0.098 R)
• M22: 15,784,520 km (0.042 R)
• M23: 15,926,189 km (0.088 R)
• M24: 20,162,203 km (0.082 R)
• M25: 20,580,927 km (0.083 R)
• M26: 21,783,993 km (0.108 R)
• M27: 25,091,303 km (0.108 R)
• M28: 25,869,212 km (0.076 R)
• M29: 27,472,751 km (0.079 R)
• M30: 28,403,250 km (0.113 R)
• M31: 28,823,471 km (0.102 R)
• M32: 32,449,873 km (0.104 R)
• M33: 33,958,118 km (0.105 R)
• M34: 36,988,522 km (0.08 R)
• M35: 38,122,175 km (0.026 R)
• M36: 43,999,277 km (0.078 R)
• M37: 48,037,073 km (0.111 R)
• M38: 48,933,314 km (0.098 R)
• M39: 51,377,743 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 20,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit