🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 8.2

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.5 AU - 1.52 AU

Year: 1198 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,294,429 km

• M1: 102,026 km (0.044 R)
• M2: 383,419 km (0.118 R)
• M3: 893,249 km (0.104 R)
• M4: 1,750,893 km (0.076 R)
• M5: 2,231,851 km (0.094 R)
• M6: 2,492,151 km (0.103 R)
• M7: 3,020,531 km (0.106 R)
• M8: 3,297,436 km (0.094 R)
• M9: 3,561,177 km (0.104 R)
• M10: 3,999,649 km (0.113 R)
• M11: 4,965,752 km (0.068 R)
• M12: 5,293,670 km (0.067 R)
• M13: 5,636,100 km (0.08 R)
• M14: 6,455,298 km (0.117 R)
• M15: 6,823,009 km (0.103 R)
• M16: 8,988,289 km (0.093 R)
• M17: 9,447,405 km (0.062 R)
• M18: 9,952,148 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 12.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.65 AU - 1.75 AU

Year: 1431 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,294,429 km

• M1: 153,039 km (0.043 R)
• M2: 549,323 km (0.045 R)
• M3: 984,803 km (0.079 R)
• M4: 1,659,340 km (0.099 R)
• M5: 2,225,717 km (0.084 R)
• M6: 2,782,670 km (0.108 R)
• M7: 3,636,874 km (0.116 R)
• M8: 4,055,897 km (0.083 R)
• M9: 4,755,118 km (0.04 R)
• M10: 5,195,684 km (0.08 R)
• M11: 6,159,393 km (0.055 R)
• M12: 6,610,880 km (0.113 R)
• M13: 7,161,250 km (0.069 R)
• M14: 7,851,046 km (0.088 R)
• M15: 8,497,608 km (0.083 R)
• M16: 8,968,243 km (0.114 R)
• M17: 11,270,255 km (0.047 R)
• M18: 11,875,079 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 9.4

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.46 AU - 2.6 AU

Year: 2598 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,294,429 km

• M1: 116,986 km (0.098 R)
• M2: 1,174,942 km (0.111 R)
• M3: 1,506,600 km (0.062 R)
• M4: 2,350,332 km (0.043 R)
• M5: 2,644,442 km (0.106 R)
• M6: 3,660,510 km (0.114 R)
• M7: 4,058,141 km (0.118 R)
• M8: 4,654,588 km (0.104 R)
• M9: 5,168,158 km (0.061 R)
• M10: 5,547,388 km (0.057 R)
• M11: 5,996,331 km (0.119 R)
• M12: 6,854,126 km (0.053 R)
• M13: 8,038,791 km (0.07 R)
• M14: 11,470,566 km (0.04 R)
• M15: 12,283,182 km (0.094 R)
• M16: 13,662,624 km (0.117 R)
• M17: 16,726,239 km (0.103 R)
• M18: 17,984,656 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 14

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.12 AU - 3.26 AU

Year: 2849 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,294,429 km

• M1: 175,927 km (0.086 R)
• M2: 719,566 km (0.083 R)
• M3: 1,168,808 km (0.113 R)
• M4: 1,910,664 km (0.111 R)
• M5: 2,459,539 km (0.065 R)
• M6: 3,075,732 km (0.115 R)
• M7: 3,750,119 km (0.079 R)
• M8: 4,488,983 km (0.102 R)
• M9: 5,434,442 km (0.1 R)
• M10: 7,007,463 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 14.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.8 AU - 3.98 AU

Year: 4030 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,294,429 km

• M1: 211,531 km (0.054 R)
• M2: 1,810,733 km (0.031 R)
• M3: 2,574,879 km (0.094 R)
• M4: 4,437,821 km (0.094 R)
• M5: 8,686,700 km (0.034 R)
• M6: 10,052,229 km (0.11 R)
• M7: 13,554,614 km (0.104 R)
• M8: 14,360,348 km (0.034 R)
• M9: 15,103,102 km (0.075 R)
• M10: 16,919,070 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 10

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.73 AU - 5.39 AU

Year: 6287 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,294,429 km

• M1: 125,363 km (0.117 R)
• M2: 454,179 km (0.092 R)
• M3: 891,903 km (0.079 R)
• M4: 1,210,396 km (0.085 R)
• M5: 1,541,307 km (0.109 R)
• M6: 2,391,920 km (0.118 R)
• M7: 3,325,261 km (0.057 R)
• M8: 4,323,229 km (0.053 R)
• M9: 5,052,818 km (0.056 R)
• M10: 6,864,747 km (0.113 R)
• M11: 7,273,448 km (0.071 R)
• M12: 9,250,983 km (0.086 R)
• M13: 12,686,647 km (0.109 R)
• M14: 14,117,102 km (0.078 R)
• M15: 16,166,443 km (0.094 R)
• M16: 16,691,532 km (0.084 R)
• M17: 17,776,117 km (0.069 R)
• M18: 19,343,304 km (0.093 R)
• M19: 20,085,160 km (0.104 R)
• M20: 20,615,783 km (0.066 R)
• M21: 21,943,315 km (0.098 R)
• M22: 25,115,388 km (0.103 R)
• M23: 27,639,703 km (0.064 R)
• M24: 29,543,186 km (0.067 R)
• M25: 30,130,956 km (0.094 R)
• M26: 32,872,636 km (0.114 R)
• M27: 33,397,874 km (0.095 R)
• M28: 34,142,872 km (0.119 R)
• M29: 35,998,035 km (0.115 R)
• M30: 39,434,148 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.1

Radius: 6.3

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.18 AU - 9.06 AU

Year: 16341 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,294,429 km

• M1: 96,191 km (0.12 R)
• M2: 373,396 km (0.1 R)
• M3: 1,302,997 km (0.062 R)
• M4: 4,241,997 km (0.111 R)
• M5: 4,589,812 km (0.047 R)
• M6: 6,496,736 km (0.086 R)
• M7: 6,873,274 km (0.098 R)
• M8: 8,725,894 km (0.091 R)
• M9: 8,927,702 km (0.108 R)
• M10: 10,714,499 km (0.033 R)
• M11: 15,050,144 km (0.063 R)
• M12: 23,984,279 km (0.097 R)
• M13: 26,220,916 km (0.061 R)
• M14: 28,261,282 km (0.081 R)
• M15: 30,753,283 km (0.104 R)
• M16: 40,206,073 km (0.07 R)
• M17: 41,758,301 km (0.035 R)
• M18: 43,791,037 km (0.119 R)
• M19: 45,585,164 km (0.081 R)
• M20: 48,052,930 km (0.102 R)
• M21: 52,583,053 km (0.1 R)
• M22: 55,467,898 km (0.109 R)
• M23: 57,389,782 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit