🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.8

Radius: 11.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.94 AU - 1.42 AU

Year: 841 Days

Day: 14.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,838,020 km

• M1: 148,251 km (0.116 R)
• M2: 595,549 km (0.081 R)
• M3: 1,029,383 km (0.04 R)
• M4: 1,856,360 km (0.079 R)
• M5: 2,648,331 km (0.05 R)
• M6: 3,160,704 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.9

Radius: 10.6

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.34 AU - 1.44 AU

Year: 1075 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,838,020 km

• M1: 132,245 km (0.089 R)
• M2: 522,396 km (0.066 R)
• M3: 904,618 km (0.094 R)
• M4: 1,351,318 km (0.107 R)
• M5: 1,695,243 km (0.076 R)
• M6: 2,261,471 km (0.118 R)
• M7: 2,714,753 km (0.117 R)
• M8: 3,059,276 km (0.075 R)
• M9: 3,725,735 km (0.086 R)
• M10: 4,743,000 km (0.093 R)
• M11: 5,107,421 km (0.096 R)
• M12: 5,552,774 km (0.117 R)
• M13: 6,246,758 km (0.025 R)
• M14: 6,924,736 km (0.094 R)
• M15: 8,622,522 km (0.108 R)
• M16: 9,167,358 km (0.055 R)
• M17: 9,674,195 km (0.119 R)
• M18: 11,443,040 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 14.3

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.17 AU - 1.91 AU

Year: 1254 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,838,020 km

• M1: 177,872 km (0.106 R)
• M2: 702,661 km (0.117 R)
• M3: 1,349,822 km (0.072 R)
• M4: 2,445,327 km (0.108 R)
• M5: 3,715,263 km (0.049 R)
• M6: 5,282,301 km (0.043 R)
• M7: 6,029,243 km (0.119 R)
• M8: 7,982,842 km (0.089 R)
• M9: 9,242,306 km (0.113 R)
• M10: 9,903,828 km (0.113 R)
• M11: 10,495,637 km (0.059 R)
• M12: 10,972,405 km (0.106 R)
• M13: 12,190,581 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 14.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.98 AU - 2.38 AU

Year: 2112 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,838,020 km

• M1: 187,297 km (0.058 R)
• M2: 1,099,544 km (0.114 R)
• M3: 2,251,747 km (0.082 R)
• M4: 2,875,869 km (0.031 R)
• M5: 3,645,551 km (0.118 R)
• M6: 4,123,067 km (0.117 R)
• M7: 4,661,021 km (0.091 R)
• M8: 5,684,420 km (0.115 R)
• M9: 6,564,504 km (0.11 R)
• M10: 7,823,819 km (0.116 R)
• M11: 8,539,495 km (0.086 R)
• M12: 9,449,798 km (0.051 R)
• M13: 10,294,428 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 14.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.92 AU - 4.28 AU

Year: 5446 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,838,020 km

• M1: 178,021 km (0.085 R)
• M2: 622,178 km (0.081 R)
• M3: 1,129,614 km (0.09 R)
• M4: 1,731,745 km (0.042 R)
• M5: 2,485,120 km (0.082 R)
• M6: 4,839,491 km (0.102 R)
• M7: 5,919,588 km (0.088 R)
• M8: 6,907,083 km (0.076 R)
• M9: 9,134,895 km (0.078 R)
• M10: 9,856,705 km (0.103 R)
• M11: 10,534,682 km (0.07 R)
• M12: 13,037,305 km (0.077 R)
• M13: 13,756,871 km (0.108 R)
• M14: 16,075,937 km (0.105 R)
• M15: 17,299,797 km (0.054 R)
• M16: 19,621,107 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 9.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.86 AU - 4.52 AU

Year: 5626 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,838,020 km

• M1: 120,725 km (0.094 R)
• M2: 562,488 km (0.094 R)
• M3: 879,486 km (0.107 R)
• M4: 1,277,267 km (0.105 R)
• M5: 1,727,706 km (0.066 R)
• M6: 2,266,109 km (0.092 R)
• M7: 2,744,971 km (0.093 R)
• M8: 3,167,735 km (0.08 R)
• M9: 3,930,086 km (0.083 R)
• M10: 4,292,262 km (0.029 R)
• M11: 4,703,058 km (0.09 R)
• M12: 6,549,395 km (0.076 R)
• M13: 7,487,972 km (0.09 R)
• M14: 8,794,260 km (0.087 R)
• M15: 9,416,588 km (0.106 R)
• M16: 10,982,877 km (0.095 R)
• M17: 12,253,711 km (0.111 R)
• M18: 14,453,249 km (0.064 R)
• M19: 14,853,423 km (0.072 R)
• M20: 15,261,077 km (0.074 R)
• M21: 15,736,050 km (0.034 R)
• M22: 16,966,643 km (0.042 R)
• M23: 18,999,229 km (0.114 R)
• M24: 23,937,155 km (0.083 R)
• M25: 25,812,215 km (0.115 R)
• M26: 30,315,859 km (0.096 R)
• M27: 30,972,145 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.8

Radius: 3.2

Gravity: 40.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.98 AU - 9.7 AU

Year: 14401 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,838,020 km

• M1: 44,879 km (0.049 R)
• M2: 145,858 km (0.096 R)
• M3: 336,894 km (0.05 R)
• M4: 512,672 km (0.103 R)
• M5: 738,116 km (0.108 R)
• M6: 960,718 km (0.095 R)
• M7: 1,424,471 km (0.072 R)
• M8: 1,553,275 km (0.103 R)
• M9: 2,517,433 km (0.087 R)
• M10: 3,635,976 km (0.087 R)
• M11: 4,542,988 km (0.102 R)
• M12: 5,521,209 km (0.115 R)
• M13: 5,626,226 km (0.086 R)
• M14: 8,060,932 km (0.111 R)
• M15: 8,241,496 km (0.077 R)
• M16: 8,564,029 km (0.088 R)
• M17: 8,990,982 km (0.109 R)
• M18: 13,177,628 km (0.106 R)
• M19: 14,264,905 km (0.116 R)
• M20: 14,796,576 km (0.076 R)
• M21: 15,272,596 km (0.112 R)
• M22: 21,544,337 km (0.06 R)
• M23: 23,229,707 km (0.066 R)
• M24: 23,595,324 km (0.102 R)
• M25: 24,057,881 km (0.065 R)
• M26: 24,620,818 km (0.1 R)
• M27: 26,362,137 km (0.062 R)
• M28: 28,391,282 km (0.109 R)
• M29: 28,495,253 km (0.063 R)
• M30: 30,740,866 km (0.065 R)
• M31: 32,301,621 km (0.071 R)
• M32: 34,149,155 km (0.086 R)
• M33: 36,187,875 km (0.1 R)
• M34: 36,555,885 km (0.095 R)
• M35: 41,035,594 km (0.115 R)
• M36: 46,154,533 km (0.03 R)
• M37: 48,941,243 km (0.09 R)
• M38: 50,147,450 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit