🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.1

Radius: 12.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.86 AU

Year: 409 Days

Day: 5.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,763,926 km

• M1: 157,975 km (0.037 R)
• M2: 573,857 km (0.116 R)
• M3: 1,074,562 km (0.088 R)
• M4: 1,907,223 km (0.087 R)
• M5: 2,740,035 km (0.118 R)
• M6: 3,473,962 km (0.086 R)
• M7: 4,165,104 km (0.106 R)
• M8: 4,689,444 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 9.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.08 AU - 1.4 AU

Year: 906 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,763,926 km

• M1: 118,182 km (0.087 R)
• M2: 429,795 km (0.118 R)
• M3: 990,936 km (0.04 R)
• M4: 1,293,124 km (0.107 R)
• M5: 1,597,705 km (0.112 R)
• M6: 2,146,729 km (0.112 R)
• M7: 2,861,957 km (0.103 R)
• M8: 3,387,793 km (0.103 R)
• M9: 4,033,757 km (0.088 R)
• M10: 4,872,403 km (0.085 R)
• M11: 5,255,822 km (0.093 R)
• M12: 6,197,690 km (0.115 R)
• M13: 7,058,327 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 11.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.32 AU - 1.66 AU

Year: 1193 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,763,926 km

• M1: 140,622 km (0.042 R)
• M2: 556,055 km (0.114 R)
• M3: 948,151 km (0.071 R)
• M4: 1,399,189 km (0.109 R)
• M5: 1,755,381 km (0.063 R)
• M6: 2,134,313 km (0.093 R)
• M7: 3,743,986 km (0.07 R)
• M8: 4,895,291 km (0.113 R)
• M9: 5,468,849 km (0.077 R)
• M10: 6,412,962 km (0.094 R)
• M11: 7,056,083 km (0.029 R)
• M12: 7,601,217 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 14.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.27 AU - 2.51 AU

Year: 2424 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,763,926 km

• M1: 180,265 km (0.05 R)
• M2: 688,001 km (0.118 R)
• M3: 1,408,464 km (0.088 R)
• M4: 2,821,865 km (0.114 R)
• M5: 3,462,742 km (0.116 R)
• M6: 3,956,265 km (0.101 R)
• M7: 5,728,102 km (0.119 R)
• M8: 7,084,207 km (0.088 R)
• M9: 7,601,816 km (0.113 R)
• M10: 8,210,230 km (0.112 R)
• M11: 9,380,235 km (0.049 R)
• M12: 11,136,813 km (0.082 R)
• M13: 12,438,465 km (0.103 R)
• M14: 13,980,519 km (0.105 R)
• M15: 15,243,125 km (0.067 R)
• M16: 16,057,087 km (0.03 R)
• M17: 16,580,530 km (0.065 R)
• M18: 17,661,525 km (0.116 R)
• M19: 19,606,447 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 10.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.22 AU - 3.04 AU

Year: 2798 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,763,926 km

• M1: 127,757 km (0.047 R)
• M2: 560,543 km (0.09 R)
• M3: 1,413,251 km (0.115 R)
• M4: 2,391,920 km (0.097 R)
• M5: 2,790,898 km (0.063 R)
• M6: 4,387,107 km (0.054 R)
• M7: 4,929,998 km (0.11 R)
• M8: 5,773,281 km (0.117 R)
• M9: 6,590,684 km (0.066 R)
• M10: 7,252,954 km (0.107 R)
• M11: 7,931,978 km (0.12 R)
• M12: 8,681,464 km (0.051 R)
• M13: 9,386,668 km (0.042 R)
• M14: 11,180,646 km (0.063 R)

Asteroid Belt

Center: 3.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 14

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.16 AU - 5.36 AU

Year: 6813 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,763,926 km

• M1: 174,132 km (0.068 R)
• M2: 952,938 km (0.12 R)
• M3: 1,414,448 km (0.065 R)
• M4: 2,417,352 km (0.109 R)
• M5: 3,095,180 km (0.044 R)
• M6: 4,360,180 km (0.101 R)
• M7: 5,259,861 km (0.092 R)
• M8: 5,769,092 km (0.07 R)
• M9: 6,658,900 km (0.095 R)
• M10: 7,603,312 km (0.034 R)
• M11: 10,268,547 km (0.052 R)
• M12: 11,669,980 km (0.046 R)
• M13: 14,410,464 km (0.109 R)
• M14: 16,699,461 km (0.045 R)
• M15: 18,311,677 km (0.06 R)
• M16: 19,822,316 km (0.095 R)
• M17: 21,272,967 km (0.06 R)
• M18: 22,867,381 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.9

Radius: 11.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.08 AU - 6.56 AU

Year: 9211 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,763,926 km

• M1: 163,211 km (0.104 R)
• M2: 697,126 km (0.028 R)
• M3: 1,850,077 km (0.09 R)
• M4: 2,517,283 km (0.059 R)
• M5: 3,247,471 km (0.041 R)
• M6: 4,087,163 km (0.104 R)
• M7: 4,472,827 km (0.09 R)
• M8: 4,913,093 km (0.102 R)
• M9: 6,594,274 km (0.118 R)
• M10: 7,565,912 km (0.115 R)
• M11: 8,366,411 km (0.082 R)
• M12: 9,362,732 km (0.101 R)
• M13: 11,482,385 km (0.04 R)
• M14: 12,086,610 km (0.05 R)
• M15: 12,654,185 km (0.12 R)
• M16: 13,180,171 km (0.103 R)
• M17: 13,659,931 km (0.109 R)
• M18: 14,910,569 km (0.075 R)
• M19: 15,630,135 km (0.095 R)
• M20: 18,968,412 km (0.115 R)
• M21: 20,126,748 km (0.113 R)
• M22: 21,249,929 km (0.108 R)
• M23: 23,358,960 km (0.05 R)
• M24: 29,489,480 km (0.115 R)
• M25: 30,937,438 km (0.109 R)
• M26: 31,892,920 km (0.066 R)
• M27: 39,017,817 km (0.107 R)
• M28: 42,818,052 km (0.094 R)
• M29: 44,404,837 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.9

Radius: 5.4

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.84 AU - 6.14 AU

Year: 9617 Days

Day: 16.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,763,926 km

• M1: 73,901 km (0.09 R)
• M2: 324,927 km (0.081 R)
• M3: 497,114 km (0.098 R)
• M4: 950,395 km (0.043 R)
• M5: 1,341,594 km (0.09 R)
• M6: 1,671,008 km (0.112 R)
• M7: 2,192,357 km (0.102 R)
• M8: 2,741,381 km (0.107 R)
• M9: 4,855,348 km (0.114 R)
• M10: 5,304,740 km (0.102 R)
• M11: 6,992,952 km (0.052 R)
• M12: 7,239,939 km (0.089 R)
• M13: 8,054,050 km (0.093 R)
• M14: 13,485,500 km (0.118 R)
• M15: 15,472,609 km (0.06 R)
• M16: 16,380,967 km (0.071 R)
• M17: 17,005,837 km (0.098 R)
• M18: 18,038,661 km (0.09 R)
• M19: 20,228,624 km (0.081 R)
• M20: 20,947,741 km (0.11 R)
• M21: 22,360,843 km (0.105 R)
• M22: 23,520,376 km (0.067 R)
• M23: 24,557,388 km (0.08 R)
• M24: 24,882,464 km (0.107 R)
• M25: 25,624,320 km (0.057 R)
• M26: 27,325,697 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 6.6

Gravity: 16.96 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.71 AU - 8.49 AU

Year: 13745 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,763,926 km

• M1: 84,672 km (0.106 R)
• M2: 597,195 km (0.043 R)
• M3: 1,148,612 km (0.095 R)
• M4: 1,357,900 km (0.056 R)
• M5: 2,751,254 km (0.082 R)
• M6: 3,765,378 km (0.082 R)
• M7: 4,419,271 km (0.076 R)
• M8: 5,835,813 km (0.109 R)
• M9: 6,302,109 km (0.112 R)
• M10: 7,758,744 km (0.119 R)
• M11: 8,322,429 km (0.055 R)
• M12: 8,713,328 km (0.095 R)
• M13: 9,584,287 km (0.073 R)
• M14: 12,168,440 km (0.056 R)
• M15: 12,608,408 km (0.116 R)
• M16: 13,453,187 km (0.048 R)
• M17: 13,855,755 km (0.116 R)
• M18: 14,544,204 km (0.117 R)
• M19: 18,332,920 km (0.064 R)
• M20: 19,501,130 km (0.035 R)
• M21: 20,190,477 km (0.117 R)
• M22: 25,173,582 km (0.118 R)
• M23: 26,094,057 km (0.098 R)
• M24: 28,547,762 km (0.114 R)
• M25: 30,687,460 km (0.108 R)
• M26: 32,211,563 km (0.082 R)
• M27: 34,904,774 km (0.113 R)
• M28: 36,048,449 km (0.043 R)
• M29: 38,813,916 km (0.099 R)
• M30: 42,573,160 km (0.1 R)
• M31: 44,466,770 km (0.106 R)
• M32: 48,264,911 km (0.076 R)
• M33: 49,207,527 km (0.116 R)
• M34: 55,980,271 km (0.106 R)
• M35: 57,897,518 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 12,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit