🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 13

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.92 AU - 0.96 AU

Year: 588 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 162.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,370,695 km

• M1: 161,715 km (0.088 R)
• M2: 612,005 km (0.1 R)
• M3: 1,093,112 km (0.043 R)
• M4: 2,486,915 km (0.118 R)
• M5: 3,018,137 km (0.096 R)
• M6: 3,806,368 km (0.062 R)
• M7: 4,532,367 km (0.078 R)
• M8: 5,014,521 km (0.116 R)
• M9: 6,082,649 km (0.109 R)
• M10: 6,903,942 km (0.12 R)
• M11: 7,821,126 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 12.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.1 AU - 1.76 AU

Year: 1104 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,370,695 km

• M1: 156,629 km (0.079 R)
• M2: 1,116,150 km (0.09 R)
• M3: 1,732,792 km (0.088 R)
• M4: 2,637,560 km (0.112 R)
• M5: 3,484,882 km (0.088 R)
• M6: 4,505,888 km (0.104 R)
• M7: 4,977,420 km (0.049 R)
• M8: 5,637,745 km (0.061 R)
• M9: 6,506,460 km (0.119 R)
• M10: 7,367,396 km (0.051 R)
• M11: 7,776,546 km (0.075 R)
• M12: 8,380,024 km (0.061 R)
• M13: 9,041,546 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 14

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.22 AU - 1.8 AU

Year: 1198 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,370,695 km

• M1: 174,132 km (0.089 R)
• M2: 999,763 km (0.114 R)
• M3: 1,660,387 km (0.087 R)
• M4: 2,105,889 km (0.112 R)
• M5: 3,802,030 km (0.034 R)
• M6: 4,405,508 km (0.085 R)
• M7: 5,197,928 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91

Radius: 9.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.66 AU - 2.44 AU

Year: 1895 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,370,695 km

• M1: 121,025 km (0.033 R)
• M2: 497,712 km (0.105 R)
• M3: 1,016,368 km (0.099 R)
• M4: 1,365,380 km (0.053 R)
• M5: 2,565,304 km (0.088 R)
• M6: 3,099,967 km (0.12 R)
• M7: 3,835,091 km (0.101 R)
• M8: 4,715,175 km (0.105 R)
• M9: 5,556,065 km (0.104 R)
• M10: 6,110,624 km (0.079 R)
• M11: 6,576,472 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 11.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.35 AU - 2.53 AU

Year: 2461 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,370,695 km

• M1: 139,276 km (0.097 R)
• M2: 495,767 km (0.061 R)
• M3: 921,074 km (0.08 R)
• M4: 1,595,162 km (0.087 R)
• M5: 2,266,258 km (0.045 R)
• M6: 2,777,584 km (0.055 R)
• M7: 3,900,465 km (0.054 R)
• M8: 4,513,069 km (0.107 R)
• M9: 4,919,526 km (0.084 R)
• M10: 8,111,197 km (0.093 R)
• M11: 9,518,763 km (0.113 R)
• M12: 11,236,894 km (0.107 R)
• M13: 12,812,310 km (0.111 R)
• M14: 13,195,879 km (0.114 R)
• M15: 16,001,587 km (0.114 R)
• M16: 16,849,358 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 13.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.19 AU - 3.43 AU

Year: 3888 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,370,695 km

• M1: 167,998 km (0.054 R)
• M2: 594,652 km (0.026 R)
• M3: 1,223,711 km (0.11 R)
• M4: 1,669,662 km (0.089 R)
• M5: 2,855,674 km (0.06 R)
• M6: 3,389,439 km (0.119 R)
• M7: 3,926,346 km (0.096 R)
• M8: 4,451,135 km (0.099 R)
• M9: 5,147,663 km (0.103 R)
• M10: 5,915,997 km (0.035 R)
• M11: 6,608,486 km (0.109 R)
• M12: 9,052,167 km (0.113 R)
• M13: 11,912,179 km (0.097 R)
• M14: 14,856,116 km (0.105 R)
• M15: 16,804,927 km (0.06 R)
• M16: 17,958,626 km (0.034 R)
• M17: 18,980,080 km (0.105 R)
• M18: 19,411,820 km (0.114 R)
• M19: 21,336,995 km (0.072 R)
• M20: 22,346,032 km (0.053 R)
• M21: 24,026,166 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.32 AU - 4.76 AU

Year: 5243 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,370,695 km

• M1: 177,423 km (0.109 R)
• M2: 1,092,064 km (0.043 R)
• M3: 1,699,432 km (0.113 R)
• M4: 2,143,737 km (0.107 R)
• M5: 3,426,090 km (0.076 R)
• M6: 3,924,551 km (0.103 R)
• M7: 4,471,480 km (0.064 R)
• M8: 9,814,817 km (0.107 R)
• M9: 12,496,808 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.7

Radius: 5.4

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.5 AU - 8.64 AU

Year: 14802 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,370,695 km

• M1: 67,169 km (0.092 R)
• M2: 252,970 km (0.082 R)
• M3: 423,212 km (0.08 R)
• M4: 659,128 km (0.073 R)
• M5: 872,754 km (0.099 R)
• M6: 1,214,286 km (0.109 R)
• M7: 1,685,370 km (0.051 R)
• M8: 1,856,360 km (0.118 R)
• M9: 2,215,544 km (0.05 R)
• M10: 3,352,638 km (0.076 R)
• M11: 4,129,948 km (0.046 R)
• M12: 4,590,560 km (0.113 R)
• M13: 5,962,522 km (0.096 R)
• M14: 6,325,596 km (0.11 R)
• M15: 6,550,442 km (0.109 R)
• M16: 6,976,497 km (0.107 R)
• M17: 7,713,117 km (0.089 R)
• M18: 9,879,743 km (0.043 R)
• M19: 10,648,676 km (0.076 R)
• M20: 13,623,728 km (0.118 R)
• M21: 14,253,236 km (0.1 R)
• M22: 16,680,163 km (0.103 R)
• M23: 17,842,239 km (0.112 R)
• M24: 21,905,317 km (0.098 R)
• M25: 25,025,031 km (0.081 R)
• M26: 28,428,383 km (0.052 R)
• M27: 29,871,852 km (0.077 R)
• M28: 31,580,709 km (0.103 R)
• M29: 38,943,617 km (0.107 R)
• M30: 39,572,676 km (0.05 R)
• M31: 45,681,206 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.2

Radius: 5

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.37 AU - 11.85 AU

Year: 19235 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,370,695 km

• M1: 63,280 km (0.115 R)
• M2: 282,291 km (0.086 R)
• M3: 522,695 km (0.104 R)
• M4: 830,717 km (0.041 R)
• M5: 1,197,980 km (0.118 R)
• M6: 1,649,765 km (0.087 R)
• M7: 2,552,888 km (0.075 R)
• M8: 2,810,346 km (0.086 R)
• M9: 3,835,390 km (0.086 R)
• M10: 4,497,959 km (0.098 R)
• M11: 6,720,834 km (0.073 R)
• M12: 7,303,966 km (0.057 R)
• M13: 12,168,740 km (0.072 R)
• M14: 12,762,942 km (0.107 R)
• M15: 16,740,750 km (0.111 R)
• M16: 17,392,548 km (0.061 R)
• M17: 20,536,496 km (0.111 R)
• M18: 28,033,893 km (0.092 R)
• M19: 29,772,071 km (0.091 R)
• M20: 36,623,354 km (0.051 R)
• M21: 37,997,710 km (0.078 R)
• M22: 41,288,564 km (0.103 R)
• M23: 42,776,614 km (0.116 R)
• M24: 44,609,187 km (0.074 R)
• M25: 45,387,994 km (0.039 R)
• M26: 49,917,369 km (0.069 R)
• M27: 51,776,272 km (0.111 R)
• M28: 54,738,908 km (0.1 R)
• M29: 65,095,269 km (0.035 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 19,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit