🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420

Radius: 11

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.49 AU - 0.61 AU

Year: 287 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,142,911 km

• M1: 136,882 km (0.118 R)
• M2: 492,476 km (0.057 R)
• M3: 1,000,660 km (0.093 R)
• M4: 1,802,804 km (0.082 R)
• M5: 2,149,871 km (0.097 R)
• M6: 3,152,775 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 11.5

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.57 AU - 0.73 AU

Year: 368 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,142,911 km

• M1: 143,016 km (0.067 R)
• M2: 506,538 km (0.096 R)
• M3: 886,367 km (0.042 R)
• M4: 1,712,596 km (0.063 R)
• M5: 2,101,401 km (0.092 R)
• M6: 2,922,245 km (0.079 R)
• M7: 3,331,245 km (0.065 R)
• M8: 3,791,259 km (0.102 R)
• M9: 4,503,793 km (0.109 R)
• M10: 5,114,602 km (0.085 R)
• M11: 5,629,069 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 10

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.59 AU - 0.87 AU

Year: 438 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,142,911 km

• M1: 124,316 km (0.032 R)
• M2: 441,613 km (0.055 R)
• M3: 793,467 km (0.08 R)
• M4: 1,259,016 km (0.11 R)
• M5: 1,586,485 km (0.074 R)
• M6: 1,963,771 km (0.099 R)
• M7: 2,810,645 km (0.1 R)
• M8: 3,255,698 km (0.103 R)
• M9: 3,772,110 km (0.099 R)
• M10: 4,315,151 km (0.079 R)
• M11: 4,894,842 km (0.118 R)

Asteroid Belt

Center: 1.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 10.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.34 AU - 1.5 AU

Year: 1189 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,142,911 km

• M1: 131,945 km (0.104 R)
• M2: 1,133,802 km (0.104 R)
• M3: 1,507,049 km (0.091 R)
• M4: 1,999,076 km (0.099 R)
• M5: 2,662,393 km (0.114 R)
• M6: 3,283,524 km (0.095 R)
• M7: 3,796,495 km (0.066 R)
• M8: 4,440,962 km (0.089 R)
• M9: 4,966,799 km (0.069 R)
• M10: 5,813,972 km (0.08 R)
• M11: 6,860,558 km (0.103 R)
• M12: 7,317,131 km (0.094 R)
• M13: 7,981,196 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.8

Radius: 10.3

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.46 AU - 2.02 AU

Year: 1613 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 125.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,142,911 km

• M1: 128,056 km (0.098 R)
• M2: 603,328 km (0.087 R)
• M3: 1,094,458 km (0.061 R)
• M4: 1,567,935 km (0.102 R)
• M5: 2,844,005 km (0.091 R)
• M6: 3,210,969 km (0.115 R)
• M7: 4,901,724 km (0.051 R)
• M8: 5,547,837 km (0.104 R)
• M9: 7,009,707 km (0.116 R)
• M10: 7,655,372 km (0.11 R)
• M11: 8,127,503 km (0.117 R)
• M12: 9,393,400 km (0.087 R)
• M13: 10,213,495 km (0.034 R)
• M14: 12,074,493 km (0.116 R)
• M15: 12,837,592 km (0.103 R)
• M16: 14,151,360 km (0.066 R)
• M17: 14,549,141 km (0.11 R)
• M18: 15,552,793 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 12.5

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.89 AU

Year: 2896 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,142,911 km

• M1: 156,479 km (0.116 R)
• M2: 628,311 km (0.071 R)
• M3: 1,442,871 km (0.04 R)
• M4: 1,988,455 km (0.114 R)
• M5: 2,592,082 km (0.076 R)
• M6: 3,207,079 km (0.113 R)
• M7: 4,920,573 km (0.117 R)
• M8: 5,418,285 km (0.088 R)
• M9: 6,902,147 km (0.076 R)
• M10: 7,624,405 km (0.096 R)
• M11: 8,190,184 km (0.069 R)
• M12: 10,657,053 km (0.101 R)
• M13: 11,450,520 km (0.12 R)
• M14: 12,508,776 km (0.077 R)
• M15: 13,631,208 km (0.07 R)
• M16: 14,068,932 km (0.084 R)
• M17: 14,667,323 km (0.099 R)
• M18: 16,951,982 km (0.04 R)
• M19: 19,403,592 km (0.106 R)
• M20: 20,523,332 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 11.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.49 AU - 4.11 AU

Year: 5207 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,142,911 km

• M1: 145,559 km (0.115 R)
• M2: 513,121 km (0.082 R)
• M3: 986,897 km (0.034 R)
• M4: 2,148,824 km (0.066 R)
• M5: 2,542,715 km (0.097 R)
• M6: 3,121,060 km (0.09 R)
• M7: 5,652,855 km (0.118 R)
• M8: 6,876,715 km (0.083 R)
• M9: 7,270,307 km (0.069 R)
• M10: 8,202,601 km (0.106 R)
• M11: 9,249,337 km (0.04 R)
• M12: 9,654,747 km (0.119 R)
• M13: 10,071,976 km (0.081 R)
• M14: 11,188,724 km (0.106 R)
• M15: 13,292,519 km (0.115 R)
• M16: 14,097,206 km (0.106 R)
• M17: 14,487,058 km (0.107 R)
• M18: 15,135,714 km (0.12 R)
• M19: 15,544,565 km (0.082 R)
• M20: 18,558,065 km (0.118 R)
• M21: 19,865,550 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.8

Radius: 5.2

Gravity: 35.24 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.94 AU - 6.82 AU

Year: 11328 Days

Day: 22.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,142,911 km

• M1: 74,799 km (0.111 R)
• M2: 414,835 km (0.092 R)
• M3: 625,917 km (0.104 R)
• M4: 1,109,119 km (0.101 R)
• M5: 1,395,000 km (0.097 R)
• M6: 1,664,426 km (0.066 R)
• M7: 3,726,184 km (0.059 R)
• M8: 4,009,223 km (0.108 R)
• M9: 4,554,657 km (0.12 R)
• M10: 6,210,705 km (0.096 R)
• M11: 6,407,726 km (0.111 R)
• M12: 7,500,089 km (0.067 R)
• M13: 8,809,370 km (0.074 R)
• M14: 9,311,869 km (0.118 R)
• M15: 10,047,143 km (0.069 R)
• M16: 10,373,864 km (0.103 R)
• M17: 11,811,649 km (0.077 R)
• M18: 12,989,733 km (0.068 R)
• M19: 15,005,863 km (0.061 R)
• M20: 16,310,656 km (0.091 R)
• M21: 18,005,899 km (0.052 R)
• M22: 20,851,550 km (0.119 R)
• M23: 22,565,343 km (0.103 R)
• M24: 24,468,527 km (0.038 R)
• M25: 28,699,454 km (0.119 R)
• M26: 29,800,793 km (0.093 R)
• M27: 32,204,382 km (0.083 R)
• M28: 41,284,674 km (0.113 R)
• M29: 46,780,301 km (0.076 R)
• M30: 47,385,724 km (0.049 R)
• M31: 48,921,944 km (0.118 R)
• M32: 49,233,108 km (0.114 R)
• M33: 49,702,397 km (0.076 R)
• M34: 52,743,871 km (0.084 R)
• M35: 52,907,381 km (0.083 R)
• M36: 55,568,428 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 14,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit