🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 8.8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.65 AU - 0.79 AU

Year: 422 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,268,281 km

• M1: 109,506 km (0.117 R)
• M2: 482,304 km (0.059 R)
• M3: 785,538 km (0.117 R)
• M4: 1,108,670 km (0.078 R)
• M5: 1,521,261 km (0.068 R)
• M6: 1,903,633 km (0.084 R)
• M7: 2,443,232 km (0.072 R)
• M8: 2,790,748 km (0.08 R)
• M9: 3,092,338 km (0.068 R)
• M10: 3,451,821 km (0.066 R)
• M11: 3,800,235 km (0.09 R)
• M12: 4,381,422 km (0.113 R)
• M13: 4,836,050 km (0.058 R)
• M14: 5,436,087 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.2

Radius: 8.5

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.11 AU - 1.85 AU

Year: 1243 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,268,281 km

• M1: 112,946 km (0.112 R)
• M2: 416,929 km (0.107 R)
• M3: 1,086,380 km (0.049 R)
• M4: 1,468,752 km (0.119 R)
• M5: 1,739,973 km (0.076 R)
• M6: 2,764,419 km (0.107 R)
• M7: 3,392,281 km (0.106 R)
• M8: 3,789,464 km (0.101 R)
• M9: 4,563,782 km (0.077 R)
• M10: 5,048,779 km (0.101 R)
• M11: 5,632,210 km (0.109 R)
• M12: 7,365,002 km (0.098 R)
• M13: 7,654,025 km (0.087 R)
• M14: 7,950,528 km (0.084 R)
• M15: 8,254,661 km (0.117 R)
• M16: 8,769,128 km (0.104 R)
• M17: 9,304,988 km (0.116 R)
• M18: 9,642,929 km (0.048 R)
• M19: 10,343,646 km (0.115 R)
• M20: 10,673,210 km (0.096 R)
• M21: 11,077,872 km (0.102 R)
• M22: 11,989,821 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.5

Radius: 14.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.53 AU - 2.05 AU

Year: 1653 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,268,281 km

• M1: 185,501 km (0.05 R)
• M2: 807,380 km (0.115 R)
• M3: 1,716,336 km (0.112 R)
• M4: 2,644,890 km (0.114 R)
• M5: 3,230,566 km (0.069 R)
• M6: 3,846,760 km (0.094 R)
• M7: 5,179,228 km (0.071 R)
• M8: 6,596,817 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.5

Radius: 8.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.65 AU - 2.33 AU

Year: 1938 Days

Day: 10.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,268,281 km

• M1: 104,419 km (0.102 R)
• M2: 471,532 km (0.083 R)
• M3: 747,241 km (0.108 R)
• M4: 1,077,853 km (0.113 R)
• M5: 1,376,600 km (0.119 R)
• M6: 1,882,839 km (0.104 R)
• M7: 2,226,615 km (0.063 R)
• M8: 2,814,086 km (0.061 R)
• M9: 3,565,665 km (0.114 R)
• M10: 4,715,325 km (0.083 R)
• M11: 4,996,718 km (0.1 R)
• M12: 5,749,794 km (0.097 R)
• M13: 6,776,036 km (0.103 R)
• M14: 7,161,400 km (0.074 R)
• M15: 7,836,086 km (0.057 R)
• M16: 9,280,454 km (0.106 R)
• M17: 10,148,121 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 9.5

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.48 AU - 2.76 AU

Year: 2927 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,268,281 km

• M1: 118,182 km (0.088 R)
• M2: 470,635 km (0.085 R)
• M3: 1,336,807 km (0.058 R)
• M4: 2,080,158 km (0.065 R)
• M5: 2,513,693 km (0.09 R)
• M6: 2,818,873 km (0.102 R)
• M7: 3,166,987 km (0.085 R)
• M8: 3,524,227 km (0.113 R)
• M9: 3,887,450 km (0.103 R)
• M10: 4,525,336 km (0.114 R)
• M11: 4,930,895 km (0.092 R)
• M12: 5,231,587 km (0.088 R)
• M13: 6,352,973 km (0.117 R)
• M14: 7,302,022 km (0.118 R)
• M15: 8,448,689 km (0.09 R)
• M16: 9,710,996 km (0.08 R)
• M17: 12,013,008 km (0.111 R)
• M18: 12,375,633 km (0.095 R)
• M19: 13,170,746 km (0.053 R)
• M20: 15,546,211 km (0.093 R)
• M21: 16,976,366 km (0.088 R)
• M22: 18,612,369 km (0.102 R)
• M23: 19,037,227 km (0.046 R)
• M24: 20,159,659 km (0.057 R)
• M25: 20,801,883 km (0.114 R)
• M26: 22,879,947 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 10.8

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.08 AU - 3.3 AU

Year: 3045 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,268,281 km

• M1: 136,433 km (0.109 R)
• M2: 540,348 km (0.076 R)
• M3: 1,072,318 km (0.118 R)
• M4: 1,963,173 km (0.113 R)
• M5: 2,529,102 km (0.109 R)
• M6: 3,010,059 km (0.117 R)
• M7: 3,382,408 km (0.078 R)
• M8: 4,135,334 km (0.082 R)
• M9: 4,689,295 km (0.094 R)
• M10: 6,830,489 km (0.108 R)
• M11: 7,670,481 km (0.106 R)
• M12: 8,031,910 km (0.108 R)
• M13: 9,039,751 km (0.081 R)
• M14: 12,842,678 km (0.044 R)
• M15: 13,877,746 km (0.092 R)
• M16: 15,377,464 km (0.091 R)
• M17: 16,762,441 km (0.119 R)
• M18: 18,637,800 km (0.041 R)
• M19: 19,840,268 km (0.087 R)
• M20: 21,029,870 km (0.117 R)
• M21: 21,870,760 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 8.3

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.87 AU - 3.03 AU

Year: 3497 Days

Day: 10.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,268,281 km

• M1: 104,868 km (0.064 R)
• M2: 414,685 km (0.103 R)
• M3: 872,754 km (0.102 R)
• M4: 1,167,911 km (0.094 R)
• M5: 1,454,091 km (0.086 R)
• M6: 1,940,284 km (0.073 R)
• M7: 2,316,822 km (0.101 R)
• M8: 2,692,014 km (0.078 R)
• M9: 3,311,648 km (0.044 R)
• M10: 3,727,081 km (0.097 R)
• M11: 4,176,922 km (0.118 R)
• M12: 5,474,384 km (0.053 R)
• M13: 5,829,979 km (0.116 R)
• M14: 6,802,066 km (0.095 R)
• M15: 7,181,147 km (0.046 R)
• M16: 7,641,310 km (0.044 R)
• M17: 8,989,486 km (0.06 R)
• M18: 11,039,126 km (0.111 R)
• M19: 12,850,756 km (0.107 R)
• M20: 13,677,584 km (0.081 R)
• M21: 14,436,195 km (0.05 R)
• M22: 16,596,388 km (0.101 R)
• M23: 16,937,920 km (0.094 R)
• M24: 17,226,195 km (0.103 R)
• M25: 17,991,089 km (0.106 R)
• M26: 19,087,192 km (0.067 R)
• M27: 19,651,625 km (0.101 R)
• M28: 21,411,943 km (0.099 R)
• M29: 22,921,984 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 9.5

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.82 AU - 4.4 AU

Year: 5751 Days

Day: 10.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 64,268,281 km

• M1: 119,678 km (0.103 R)
• M2: 546,032 km (0.116 R)
• M3: 938,577 km (0.075 R)
• M4: 1,350,869 km (0.078 R)
• M5: 1,673,252 km (0.094 R)
• M6: 2,001,320 km (0.088 R)
• M7: 2,789,851 km (0.119 R)
• M8: 3,843,917 km (0.05 R)
• M9: 4,395,634 km (0.098 R)
• M10: 4,885,717 km (0.093 R)
• M11: 5,411,703 km (0.083 R)
• M12: 6,204,422 km (0.105 R)
• M13: 6,577,070 km (0.057 R)
• M14: 7,000,432 km (0.09 R)
• M15: 9,707,855 km (0.054 R)
• M16: 10,924,833 km (0.099 R)
• M17: 12,293,055 km (0.102 R)
• M18: 12,827,868 km (0.11 R)
• M19: 14,349,278 km (0.06 R)
• M20: 16,689,288 km (0.048 R)
• M21: 17,478,267 km (0.093 R)
• M22: 19,415,709 km (0.112 R)
• M23: 21,186,948 km (0.096 R)
• M24: 22,902,836 km (0.05 R)
• M25: 23,467,717 km (0.117 R)
• M26: 24,457,606 km (0.096 R)
• M27: 24,878,275 km (0.112 R)
• M28: 28,883,758 km (0.084 R)
• M29: 31,780,871 km (0.11 R)
• M30: 32,992,015 km (0.09 R)
• M31: 34,760,112 km (0.086 R)
• M32: 35,721,428 km (0.097 R)
• M33: 36,481,236 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 6

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.29 AU - 10.53 AU

Year: 19925 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,268,281 km

• M1: 82,578 km (0.063 R)
• M2: 395,537 km (0.104 R)
• M3: 876,195 km (0.028 R)
• M4: 1,338,153 km (0.027 R)
• M5: 2,062,057 km (0.054 R)
• M6: 3,119,864 km (0.114 R)
• M7: 4,030,915 km (0.12 R)
• M8: 5,249,988 km (0.084 R)
• M9: 8,098,780 km (0.096 R)
• M10: 17,300,096 km (0.115 R)
• M11: 18,196,487 km (0.07 R)
• M12: 22,664,077 km (0.088 R)
• M13: 24,638,769 km (0.11 R)
• M14: 32,695,811 km (0.053 R)
• M15: 34,697,730 km (0.089 R)
• M16: 40,905,443 km (0.05 R)
• M17: 41,621,718 km (0.055 R)
• M18: 42,638,535 km (0.081 R)
• M19: 44,119,703 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 17,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit