🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 14.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,438,829 km

• M1: 180,265 km (0.058 R)
• M2: 638,633 km (0.059 R)
• M3: 1,162,525 km (0.108 R)
• M4: 1,654,253 km (0.108 R)
• M5: 2,402,243 km (0.064 R)
• M6: 2,891,876 km (0.072 R)
• M7: 3,460,199 km (0.095 R)
• M8: 4,972,783 km (0.118 R)
• M9: 5,597,204 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 12.7

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.03 AU - 1.07 AU

Year: 717 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,438,829 km

• M1: 159,172 km (0.105 R)
• M2: 650,302 km (0.09 R)
• M3: 1,578,108 km (0.08 R)
• M4: 2,484,073 km (0.098 R)
• M5: 3,422,949 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 10.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.88 AU - 1.46 AU

Year: 844 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,438,829 km

• M1: 134,339 km (0.093 R)
• M2: 614,099 km (0.053 R)
• M3: 1,121,236 km (0.032 R)
• M4: 1,654,552 km (0.109 R)
• M5: 2,515,189 km (0.087 R)
• M6: 2,957,849 km (0.11 R)
• M7: 3,651,385 km (0.048 R)
• M8: 4,191,732 km (0.047 R)
• M9: 4,528,328 km (0.086 R)
• M10: 5,135,695 km (0.106 R)
• M11: 6,022,810 km (0.117 R)
• M12: 6,861,905 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 10.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.25 AU - 1.55 AU

Year: 1105 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,438,829 km

• M1: 132,843 km (0.111 R)
• M2: 493,523 km (0.092 R)
• M3: 880,383 km (0.115 R)
• M4: 1,258,567 km (0.093 R)
• M5: 1,774,530 km (0.076 R)
• M6: 2,114,865 km (0.04 R)
• M7: 2,571,737 km (0.116 R)
• M8: 3,011,256 km (0.045 R)
• M9: 4,458,017 km (0.11 R)
• M10: 5,836,112 km (0.112 R)
• M11: 7,079,121 km (0.079 R)
• M12: 8,027,571 km (0.114 R)
• M13: 8,630,451 km (0.1 R)
• M14: 9,322,341 km (0.076 R)
• M15: 10,751,449 km (0.108 R)
• M16: 11,247,666 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 12.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.35 AU - 1.85 AU

Year: 1350 Days

Day: 13.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,438,829 km

• M1: 159,172 km (0.03 R)
• M2: 644,916 km (0.063 R)
• M3: 1,150,408 km (0.095 R)
• M4: 1,640,041 km (0.089 R)
• M5: 2,148,824 km (0.088 R)
• M6: 2,786,111 km (0.071 R)
• M7: 3,247,919 km (0.1 R)
• M8: 3,878,774 km (0.087 R)
• M9: 5,022,300 km (0.103 R)
• M10: 5,653,453 km (0.084 R)
• M11: 6,484,320 km (0.117 R)
• M12: 7,120,111 km (0.088 R)
• M13: 8,313,602 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 10.5

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.18 AU - 2.62 AU

Year: 2479 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,438,829 km

• M1: 130,749 km (0.115 R)
• M2: 499,956 km (0.108 R)
• M3: 907,012 km (0.091 R)
• M4: 1,345,034 km (0.063 R)
• M5: 1,673,851 km (0.113 R)
• M6: 2,044,554 km (0.085 R)
• M7: 2,442,185 km (0.066 R)
• M8: 2,797,181 km (0.052 R)
• M9: 3,324,813 km (0.119 R)
• M10: 4,450,088 km (0.118 R)
• M11: 5,736,181 km (0.116 R)
• M12: 6,260,521 km (0.109 R)
• M13: 7,077,475 km (0.066 R)
• M14: 11,268,908 km (0.058 R)
• M15: 12,304,724 km (0.056 R)
• M16: 14,186,067 km (0.111 R)
• M17: 15,146,336 km (0.079 R)
• M18: 16,772,016 km (0.111 R)
• M19: 17,790,628 km (0.094 R)
• M20: 18,849,930 km (0.098 R)
• M21: 19,482,131 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 9.6

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.33 AU - 2.63 AU

Year: 2604 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,438,829 km

• M1: 119,379 km (0.104 R)
• M2: 459,565 km (0.116 R)
• M3: 828,024 km (0.093 R)
• M4: 1,226,553 km (0.106 R)
• M5: 2,421,690 km (0.106 R)
• M6: 3,474,710 km (0.088 R)
• M7: 4,418,672 km (0.12 R)
• M8: 6,425,528 km (0.081 R)
• M9: 7,047,855 km (0.083 R)
• M10: 7,580,573 km (0.091 R)
• M11: 8,378,079 km (0.073 R)
• M12: 8,797,402 km (0.111 R)
• M13: 10,819,217 km (0.068 R)
• M14: 15,084,252 km (0.064 R)
• M15: 16,236,306 km (0.035 R)
• M16: 18,015,174 km (0.076 R)
• M17: 19,071,185 km (0.095 R)
• M18: 20,605,312 km (0.108 R)
• M19: 21,499,608 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 13.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.56 AU - 5.08 AU

Year: 5988 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,438,829 km

• M1: 170,392 km (0.091 R)
• M2: 685,457 km (0.105 R)
• M3: 1,243,458 km (0.108 R)
• M4: 1,688,661 km (0.057 R)
• M5: 3,130,635 km (0.115 R)
• M6: 3,837,634 km (0.107 R)
• M7: 4,835,153 km (0.05 R)
• M8: 5,483,211 km (0.1 R)
• M9: 5,936,642 km (0.06 R)
• M10: 6,447,967 km (0.109 R)
• M11: 9,334,159 km (0.119 R)
• M12: 11,227,619 km (0.083 R)
• M13: 15,403,943 km (0.08 R)
• M14: 16,435,420 km (0.098 R)
• M15: 16,999,853 km (0.1 R)
• M16: 17,707,302 km (0.099 R)
• M17: 18,975,293 km (0.067 R)
• M18: 21,992,233 km (0.063 R)
• M19: 23,065,149 km (0.086 R)
• M20: 26,408,662 km (0.04 R)
• M21: 30,907,967 km (0.086 R)
• M22: 31,865,394 km (0.05 R)
• M23: 32,941,451 km (0.049 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 10.2

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.72 AU - 5.82 AU

Year: 8068 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,438,829 km

• M1: 126,859 km (0.089 R)
• M2: 1,074,113 km (0.064 R)
• M3: 4,120,075 km (0.094 R)
• M4: 4,718,018 km (0.055 R)
• M5: 5,308,181 km (0.074 R)
• M6: 5,705,663 km (0.081 R)
• M7: 6,302,857 km (0.078 R)
• M8: 9,983,713 km (0.078 R)
• M9: 11,713,364 km (0.108 R)
• M10: 13,210,390 km (0.092 R)
• M11: 14,509,497 km (0.093 R)
• M12: 16,510,668 km (0.112 R)
• M13: 19,223,925 km (0.101 R)
• M14: 20,323,918 km (0.099 R)
• M15: 22,648,968 km (0.041 R)
• M16: 23,609,087 km (0.076 R)
• M17: 25,986,048 km (0.078 R)
• M18: 33,393,835 km (0.115 R)
• M19: 40,551,495 km (0.105 R)
• M20: 44,893,274 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.3

Radius: 7

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.09 AU - 9.79 AU

Year: 17825 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,438,829 km

• M1: 114,442 km (0.113 R)
• M2: 735,274 km (0.091 R)
• M3: 1,280,109 km (0.119 R)
• M4: 1,763,161 km (0.085 R)
• M5: 2,067,143 km (0.083 R)
• M6: 2,296,178 km (0.063 R)
• M7: 3,114,478 km (0.09 R)
• M8: 6,635,414 km (0.107 R)
• M9: 8,218,309 km (0.1 R)
• M10: 10,576,869 km (0.109 R)
• M11: 10,822,658 km (0.094 R)
• M12: 12,651,941 km (0.071 R)
• M13: 15,847,950 km (0.029 R)
• M14: 20,574,943 km (0.072 R)
• M15: 22,238,023 km (0.12 R)
• M16: 27,529,898 km (0.102 R)
• M17: 29,667,352 km (0.081 R)
• M18: 32,298,031 km (0.118 R)
• M19: 35,216,536 km (0.044 R)
• M20: 35,765,410 km (0.106 R)
• M21: 36,319,969 km (0.053 R)
• M22: 37,588,709 km (0.057 R)
• M23: 38,161,968 km (0.071 R)
• M24: 40,363,749 km (0.06 R)
• M25: 41,571,902 km (0.099 R)
• M26: 41,877,680 km (0.067 R)
• M27: 45,990,574 km (0.071 R)
• M28: 52,118,701 km (0.059 R)
• M29: 53,550,652 km (0.058 R)
• M30: 59,347,570 km (0.1 R)
• M31: 67,006,831 km (0.097 R)
• M32: 74,621,063 km (0.071 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: 221 - 15,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit