🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 10

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.05 AU - 1.41 AU

Year: 867 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,850,796 km

• M1: 124,316 km (0.117 R)
• M2: 518,357 km (0.062 R)
• M3: 838,047 km (0.117 R)
• M4: 1,215,782 km (0.099 R)
• M5: 1,935,946 km (0.111 R)
• M6: 3,170,876 km (0.116 R)
• M7: 3,676,816 km (0.119 R)
• M8: 4,299,742 km (0.115 R)
• M9: 5,207,502 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 8.5

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.09 AU - 1.53 AU

Year: 953 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,850,796 km

• M1: 105,766 km (0.071 R)
• M2: 674,238 km (0.105 R)
• M3: 981,362 km (0.117 R)
• M4: 1,360,144 km (0.045 R)
• M5: 1,825,393 km (0.088 R)
• M6: 2,450,563 km (0.079 R)
• M7: 2,851,335 km (0.035 R)
• M8: 3,183,742 km (0.082 R)
• M9: 3,541,879 km (0.025 R)
• M10: 3,863,365 km (0.089 R)
• M11: 4,220,904 km (0.111 R)
• M12: 4,965,453 km (0.093 R)
• M13: 5,670,806 km (0.113 R)
• M14: 6,177,046 km (0.107 R)
• M15: 6,992,504 km (0.09 R)
• M16: 7,624,854 km (0.095 R)
• M17: 8,006,777 km (0.049 R)
• M18: 8,428,045 km (0.101 R)
• M19: 9,546,139 km (0.109 R)
• M20: 9,989,996 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 9.7

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.38 AU - 1.46 AU

Year: 1076 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,850,796 km

• M1: 120,576 km (0.118 R)
• M2: 630,256 km (0.109 R)
• M3: 994,078 km (0.056 R)
• M4: 1,336,059 km (0.088 R)
• M5: 1,712,447 km (0.089 R)
• M6: 2,321,310 km (0.117 R)
• M7: 3,580,176 km (0.081 R)
• M8: 4,470,882 km (0.113 R)
• M9: 4,847,719 km (0.073 R)
• M10: 5,284,694 km (0.1 R)
• M11: 5,851,970 km (0.115 R)
• M12: 6,370,177 km (0.028 R)
• M13: 6,709,315 km (0.081 R)
• M14: 7,648,042 km (0.084 R)
• M15: 8,401,117 km (0.072 R)
• M16: 8,920,820 km (0.087 R)
• M17: 9,403,722 km (0.072 R)
• M18: 9,755,128 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 11.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.68 AU - 4.44 AU

Year: 4271 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,850,796 km

• M1: 138,079 km (0.059 R)
• M2: 536,907 km (0.077 R)
• M3: 1,197,531 km (0.111 R)
• M4: 1,733,241 km (0.075 R)
• M5: 2,161,540 km (0.114 R)
• M6: 2,911,923 km (0.104 R)
• M7: 3,310,152 km (0.039 R)
• M8: 3,663,053 km (0.119 R)
• M9: 4,778,306 km (0.074 R)
• M10: 5,879,496 km (0.073 R)
• M11: 6,611,029 km (0.078 R)
• M12: 7,435,014 km (0.116 R)
• M13: 8,724,099 km (0.097 R)
• M14: 9,248,888 km (0.084 R)
• M15: 11,472,960 km (0.078 R)
• M16: 11,921,006 km (0.087 R)
• M17: 13,581,542 km (0.099 R)
• M18: 15,017,233 km (0.118 R)
• M19: 15,826,557 km (0.104 R)
• M20: 16,438,562 km (0.051 R)
• M21: 17,473,779 km (0.071 R)
• M22: 17,947,705 km (0.098 R)
• M23: 20,840,629 km (0.06 R)
• M24: 22,328,529 km (0.078 R)
• M25: 23,454,253 km (0.089 R)
• M26: 24,617,377 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 9.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.88 AU - 4.74 AU

Year: 4728 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,850,796 km

• M1: 123,119 km (0.115 R)
• M2: 764,595 km (0.108 R)
• M3: 1,215,632 km (0.072 R)
• M4: 1,697,487 km (0.111 R)
• M5: 2,631,726 km (0.08 R)
• M6: 3,144,248 km (0.025 R)
• M7: 4,296,900 km (0.115 R)
• M8: 4,618,385 km (0.048 R)
• M9: 5,090,217 km (0.114 R)
• M10: 5,507,894 km (0.115 R)
• M11: 6,192,604 km (0.104 R)
• M12: 6,507,507 km (0.106 R)
• M13: 7,731,368 km (0.083 R)
• M14: 8,706,446 km (0.058 R)
• M15: 10,319,710 km (0.115 R)
• M16: 11,406,389 km (0.117 R)
• M17: 11,881,063 km (0.11 R)
• M18: 12,819,341 km (0.113 R)
• M19: 13,594,258 km (0.115 R)
• M20: 15,697,454 km (0.046 R)
• M21: 16,107,203 km (0.099 R)
• M22: 16,524,132 km (0.087 R)
• M23: 17,504,297 km (0.053 R)
• M24: 19,782,822 km (0.079 R)
• M25: 20,261,236 km (0.041 R)
• M26: 22,695,343 km (0.092 R)
• M27: 23,752,103 km (0.115 R)
• M28: 24,292,600 km (0.066 R)
• M29: 24,999,599 km (0.06 R)
• M30: 28,481,490 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.9

Radius: 4

Gravity: 32.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.95 AU - 7.25 AU

Year: 9579 Days

Day: 22.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,850,796 km

• M1: 127,158 km (0.114 R)
• M2: 328,667 km (0.072 R)
• M3: 529,128 km (0.074 R)
• M4: 834,607 km (0.116 R)
• M5: 976,126 km (0.088 R)
• M6: 2,039,767 km (0.108 R)
• M7: 3,936,668 km (0.077 R)
• M8: 4,946,154 km (0.105 R)
• M9: 8,677,125 km (0.097 R)
• M10: 11,389,335 km (0.092 R)
• M11: 13,759,713 km (0.119 R)
• M12: 14,555,274 km (0.04 R)
• M13: 20,762,240 km (0.067 R)
• M14: 23,913,968 km (0.052 R)
• M15: 26,152,700 km (0.077 R)
• M16: 27,752,350 km (0.107 R)
• M17: 34,138,384 km (0.08 R)
• M18: 41,437,563 km (0.11 R)
• M19: 41,941,259 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.9

Radius: 5

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.13 AU - 7.11 AU

Year: 9626 Days

Day: 16.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 36,850,796 km

• M1: 62,382 km (0.1 R)
• M2: 295,157 km (0.076 R)
• M3: 686,654 km (0.099 R)
• M4: 959,371 km (0.081 R)
• M5: 1,279,062 km (0.112 R)
• M6: 1,722,021 km (0.103 R)
• M7: 2,244,417 km (0.048 R)
• M8: 2,635,017 km (0.047 R)
• M9: 2,866,445 km (0.079 R)
• M10: 3,282,177 km (0.106 R)
• M11: 4,311,261 km (0.099 R)
• M12: 4,578,443 km (0.083 R)
• M13: 4,856,545 km (0.052 R)
• M14: 5,087,225 km (0.101 R)
• M15: 5,984,812 km (0.082 R)
• M16: 6,317,368 km (0.082 R)
• M17: 7,694,866 km (0.071 R)
• M18: 9,217,323 km (0.094 R)
• M19: 11,077,423 km (0.074 R)
• M20: 11,732,063 km (0.039 R)
• M21: 13,736,376 km (0.09 R)
• M22: 13,965,859 km (0.098 R)
• M23: 15,090,984 km (0.036 R)
• M24: 16,084,314 km (0.092 R)
• M25: 16,726,837 km (0.12 R)
• M26: 17,926,313 km (0.045 R)
• M27: 21,249,929 km (0.094 R)
• M28: 23,136,807 km (0.106 R)
• M29: 23,461,733 km (0.119 R)
• M30: 24,287,663 km (0.079 R)
• M31: 24,623,211 km (0.06 R)
• M32: 26,260,111 km (0.102 R)
• M33: 27,060,310 km (0.039 R)
• M34: 29,178,616 km (0.101 R)
• M35: 30,423,569 km (0.081 R)
• M36: 30,911,707 km (0.085 R)
• M37: 31,305,898 km (0.072 R)
• M38: 31,803,460 km (0.051 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 16,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit