🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103

Radius: 9.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.59 AU - 0.81 AU

Year: 378 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,868,577 km

• M1: 128,205 km (0.068 R)
• M2: 496,366 km (0.09 R)
• M3: 840,291 km (0.045 R)
• M4: 1,828,984 km (0.102 R)
• M5: 2,187,420 km (0.116 R)
• M6: 2,570,091 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 8.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.01 AU - 1.31 AU

Year: 807 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,868,577 km

• M1: 109,506 km (0.072 R)
• M2: 428,448 km (0.093 R)
• M3: 995,424 km (0.088 R)
• M4: 1,464,414 km (0.112 R)
• M5: 1,805,347 km (0.105 R)
• M6: 2,295,280 km (0.071 R)
• M7: 2,613,624 km (0.105 R)
• M8: 3,339,922 km (0.111 R)
• M9: 3,781,236 km (0.072 R)
• M10: 4,328,016 km (0.118 R)
• M11: 4,709,191 km (0.078 R)
• M12: 5,400,932 km (0.093 R)
• M13: 5,720,323 km (0.074 R)
• M14: 6,331,431 km (0.042 R)
• M15: 6,686,875 km (0.091 R)
• M16: 7,708,778 km (0.119 R)
• M17: 8,587,815 km (0.087 R)
• M18: 9,969,950 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 13.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.76 AU - 3.08 AU

Year: 3222 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,868,577 km

• M1: 165,455 km (0.117 R)
• M2: 639,531 km (0.108 R)
• M3: 1,968,110 km (0.119 R)
• M4: 2,436,800 km (0.074 R)
• M5: 2,881,853 km (0.059 R)
• M6: 3,510,464 km (0.079 R)
• M7: 4,250,674 km (0.094 R)
• M8: 4,948,847 km (0.102 R)
• M9: 6,070,382 km (0.069 R)
• M10: 7,261,630 km (0.119 R)
• M11: 8,094,442 km (0.117 R)
• M12: 8,812,661 km (0.114 R)
• M13: 9,874,207 km (0.026 R)
• M14: 10,535,131 km (0.118 R)
• M15: 12,696,222 km (0.114 R)
• M16: 13,714,235 km (0.069 R)
• M17: 14,194,594 km (0.091 R)
• M18: 15,240,133 km (0.098 R)
• M19: 16,551,060 km (0.08 R)
• M20: 18,920,690 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.9

Radius: 14.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.17 AU - 4.01 AU

Year: 4392 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,868,577 km

• M1: 179,069 km (0.084 R)
• M2: 651,948 km (0.101 R)
• M3: 1,100,592 km (0.063 R)
• M4: 1,575,864 km (0.078 R)
• M5: 2,840,116 km (0.088 R)
• M6: 4,030,017 km (0.052 R)
• M7: 4,502,148 km (0.053 R)
• M8: 6,085,641 km (0.115 R)
• M9: 7,585,809 km (0.071 R)
• M10: 11,033,441 km (0.063 R)
• M11: 11,821,822 km (0.068 R)
• M12: 13,615,052 km (0.098 R)
• M13: 15,130,777 km (0.038 R)
• M14: 16,696,319 km (0.06 R)
• M15: 18,883,440 km (0.095 R)
• M16: 19,342,705 km (0.084 R)
• M17: 21,044,680 km (0.097 R)
• M18: 22,257,770 km (0.1 R)
• M19: 26,748,997 km (0.087 R)
• M20: 27,412,613 km (0.094 R)
• M21: 28,002,178 km (0.098 R)
• M22: 28,859,075 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.9

Radius: 13.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.77 AU - 5.37 AU

Year: 6308 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,868,577 km

• M1: 196,272 km (0.087 R)
• M2: 672,143 km (0.103 R)
• M3: 1,105,079 km (0.09 R)
• M4: 2,208,364 km (0.077 R)
• M5: 3,294,744 km (0.098 R)
• M6: 4,759,755 km (0.116 R)
• M7: 8,156,226 km (0.102 R)
• M8: 9,006,540 km (0.038 R)
• M9: 9,672,550 km (0.111 R)
• M10: 10,120,745 km (0.051 R)
• M11: 12,574,299 km (0.088 R)
• M12: 13,257,214 km (0.08 R)
• M13: 19,773,996 km (0.053 R)
• M14: 20,364,908 km (0.062 R)
• M15: 25,141,119 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.5

Radius: 13.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4 AU - 6.52 AU

Year: 7789 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,868,577 km

• M1: 169,794 km (0.119 R)
• M2: 643,570 km (0.107 R)
• M3: 1,332,917 km (0.069 R)
• M4: 2,082,552 km (0.113 R)
• M5: 3,442,247 km (0.118 R)
• M6: 4,370,053 km (0.06 R)
• M7: 5,201,967 km (0.12 R)
• M8: 6,066,942 km (0.117 R)
• M9: 6,645,437 km (0.095 R)
• M10: 7,260,583 km (0.071 R)
• M11: 8,516,756 km (0.107 R)
• M12: 9,196,978 km (0.112 R)
• M13: 10,717,640 km (0.071 R)
• M14: 14,004,156 km (0.115 R)
• M15: 16,421,358 km (0.086 R)
• M16: 18,801,460 km (0.077 R)
• M17: 21,900,979 km (0.066 R)
• M18: 22,661,833 km (0.053 R)
• M19: 23,615,819 km (0.046 R)
• M20: 24,416,168 km (0.093 R)
• M21: 26,543,449 km (0.102 R)
• M22: 31,164,378 km (0.093 R)
• M23: 32,889,989 km (0.074 R)
• M24: 39,556,220 km (0.077 R)
• M25: 43,534,776 km (0.067 R)
• M26: 44,066,895 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.8

Radius: 6.6

Gravity: 22.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.46 AU - 7.66 AU

Year: 13421 Days

Day: 19.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,868,577 km

• M1: 82,129 km (0.06 R)
• M2: 366,964 km (0.083 R)
• M3: 782,546 km (0.104 R)
• M4: 1,134,849 km (0.072 R)
• M5: 1,541,756 km (0.103 R)
• M6: 2,099,307 km (0.083 R)
• M7: 2,340,459 km (0.107 R)
• M8: 2,667,779 km (0.094 R)
• M9: 3,307,459 km (0.04 R)
• M10: 4,616,141 km (0.058 R)
• M11: 5,349,171 km (0.099 R)
• M12: 7,774,452 km (0.102 R)
• M13: 8,404,408 km (0.105 R)
• M14: 12,394,034 km (0.11 R)
• M15: 14,363,191 km (0.096 R)
• M16: 17,006,286 km (0.11 R)
• M17: 19,254,443 km (0.043 R)
• M18: 20,314,493 km (0.099 R)
• M19: 26,417,488 km (0.111 R)
• M20: 26,632,460 km (0.117 R)
• M21: 28,620,167 km (0.032 R)
• M22: 29,650,148 km (0.094 R)
• M23: 31,181,283 km (0.106 R)
• M24: 36,222,132 km (0.072 R)
• M25: 42,365,369 km (0.099 R)
• M26: 43,402,681 km (0.112 R)
• M27: 45,837,087 km (0.076 R)
• M28: 46,303,383 km (0.063 R)
• M29: 49,168,183 km (0.114 R)
• M30: 50,643,966 km (0.086 R)
• M31: 51,309,227 km (0.081 R)
• M32: 56,307,891 km (0.115 R)
• M33: 60,309,484 km (0.054 R)
• M34: 63,528,531 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 10,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit