🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 14.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.02 AU - 1.1 AU

Year: 728 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,983,968 km

• M1: 175,628 km (0.059 R)
• M2: 699,968 km (0.079 R)
• M3: 1,265,448 km (0.097 R)
• M4: 2,199,388 km (0.072 R)
• M5: 2,672,267 km (0.087 R)
• M6: 3,272,753 km (0.038 R)
• M7: 4,017,451 km (0.11 R)
• M8: 4,579,939 km (0.089 R)
• M9: 5,194,786 km (0.051 R)
• M10: 6,063,501 km (0.111 R)
• M11: 6,590,983 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 10.4

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.79 AU - 2.42 AU

Year: 2029 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,983,968 km

• M1: 130,898 km (0.087 R)
• M2: 468,391 km (0.081 R)
• M3: 830,717 km (0.07 R)
• M4: 1,166,115 km (0.092 R)
• M5: 1,996,084 km (0.099 R)
• M6: 2,441,138 km (0.088 R)
• M7: 2,855,075 km (0.102 R)
• M8: 3,500,889 km (0.046 R)
• M9: 3,842,122 km (0.089 R)
• M10: 4,170,041 km (0.06 R)
• M11: 4,630,204 km (0.113 R)
• M12: 4,982,357 km (0.11 R)
• M13: 5,436,985 km (0.088 R)
• M14: 6,055,572 km (0.045 R)
• M15: 7,328,650 km (0.113 R)
• M16: 7,754,106 km (0.107 R)
• M17: 8,196,019 km (0.04 R)
• M18: 8,771,970 km (0.048 R)
• M19: 9,654,897 km (0.093 R)
• M20: 10,866,041 km (0.059 R)
• M21: 11,349,841 km (0.115 R)
• M22: 12,286,324 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 13.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.55 AU - 3.35 AU

Year: 3379 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,983,968 km

• M1: 171,589 km (0.096 R)
• M2: 670,647 km (0.059 R)
• M3: 2,106,188 km (0.102 R)
• M4: 3,037,435 km (0.071 R)
• M5: 3,522,132 km (0.09 R)
• M6: 4,249,328 km (0.067 R)
• M7: 5,026,339 km (0.04 R)
• M8: 6,539,970 km (0.085 R)
• M9: 8,971,085 km (0.045 R)
• M10: 9,521,605 km (0.1 R)
• M11: 10,290,838 km (0.091 R)
• M12: 11,101,060 km (0.091 R)
• M13: 13,360,436 km (0.094 R)
• M14: 14,723,722 km (0.094 R)
• M15: 16,177,963 km (0.09 R)
• M16: 18,012,481 km (0.082 R)
• M17: 19,010,000 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 11.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.58 AU - 3.74 AU

Year: 4669 Days

Day: 13.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,983,968 km

• M1: 143,016 km (0.104 R)
• M2: 518,357 km (0.05 R)
• M3: 964,457 km (0.049 R)
• M4: 1,463,815 km (0.099 R)
• M5: 2,235,441 km (0.083 R)
• M6: 2,731,208 km (0.117 R)
• M7: 3,183,891 km (0.095 R)
• M8: 3,602,466 km (0.09 R)
• M9: 4,035,403 km (0.063 R)
• M10: 4,674,933 km (0.067 R)
• M11: 5,436,087 km (0.118 R)
• M12: 6,308,542 km (0.057 R)
• M13: 6,940,444 km (0.071 R)
• M14: 7,407,638 km (0.103 R)
• M15: 8,220,553 km (0.098 R)
• M16: 8,592,303 km (0.061 R)
• M17: 10,535,131 km (0.026 R)
• M18: 13,003,197 km (0.065 R)
• M19: 14,613,318 km (0.097 R)
• M20: 15,270,951 km (0.112 R)
• M21: 17,061,338 km (0.116 R)
• M22: 18,038,362 km (0.071 R)
• M23: 22,179,081 km (0.07 R)
• M24: 23,416,555 km (0.1 R)
• M25: 25,869,810 km (0.037 R)
• M26: 26,995,235 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.3

Radius: 4.6

Gravity: 36.4 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.48 AU - 8.18 AU

Year: 11903 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,983,968 km

• M1: 57,745 km (0.114 R)
• M2: 317,746 km (0.092 R)
• M3: 491,279 km (0.119 R)
• M4: 737,667 km (0.075 R)
• M5: 1,170,304 km (0.058 R)
• M6: 1,552,228 km (0.095 R)
• M7: 1,755,830 km (0.077 R)
• M8: 2,178,743 km (0.076 R)
• M9: 2,710,265 km (0.103 R)
• M10: 3,323,915 km (0.08 R)
• M11: 4,821,240 km (0.096 R)
• M12: 5,536,468 km (0.091 R)
• M13: 7,696,362 km (0.051 R)
• M14: 8,057,790 km (0.066 R)
• M15: 8,621,325 km (0.074 R)
• M16: 11,082,509 km (0.098 R)
• M17: 13,711,243 km (0.076 R)
• M18: 14,718,037 km (0.095 R)
• M19: 15,274,691 km (0.106 R)
• M20: 16,430,035 km (0.029 R)
• M21: 17,104,871 km (0.111 R)
• M22: 17,333,905 km (0.092 R)
• M23: 20,243,584 km (0.11 R)
• M24: 20,414,275 km (0.075 R)
• M25: 21,369,607 km (0.053 R)
• M26: 22,812,030 km (0.079 R)
• M27: 23,182,584 km (0.117 R)
• M28: 23,745,820 km (0.08 R)
• M29: 25,095,492 km (0.099 R)
• M30: 27,214,545 km (0.07 R)
• M31: 28,477,451 km (0.108 R)
• M32: 28,691,675 km (0.071 R)
• M33: 40,286,557 km (0.107 R)
• M34: 41,373,834 km (0.093 R)
• M35: 43,891,267 km (0.11 R)
• M36: 46,509,080 km (0.097 R)
• M37: 52,856,368 km (0.079 R)
• M38: 53,504,875 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 17,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit