🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 8.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.9 AU - 1.4 AU

Year: 867 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,846,526 km

• M1: 102,026 km (0.087 R)
• M2: 573,708 km (0.031 R)
• M3: 1,078,900 km (0.103 R)
• M4: 1,371,962 km (0.09 R)
• M5: 1,879,099 km (0.032 R)
• M6: 2,627,537 km (0.103 R)
• M7: 3,264,824 km (0.093 R)
• M8: 4,771,723 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 8.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.94 AU - 1.5 AU

Year: 947 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,846,526 km

• M1: 104,569 km (0.115 R)
• M2: 526,884 km (0.109 R)
• M3: 991,086 km (0.107 R)
• M4: 2,689,171 km (0.048 R)
• M5: 3,248,967 km (0.074 R)
• M6: 3,962,698 km (0.114 R)
• M7: 4,470,134 km (0.085 R)
• M8: 4,776,959 km (0.095 R)
• M9: 5,271,679 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 10.4

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.34 AU - 1.4 AU

Year: 1127 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,846,526 km

• M1: 129,701 km (0.076 R)
• M2: 464,651 km (0.101 R)
• M3: 876,644 km (0.093 R)
• M4: 1,228,199 km (0.115 R)
• M5: 1,835,117 km (0.079 R)
• M6: 2,682,888 km (0.089 R)
• M7: 3,026,963 km (0.07 R)
• M8: 3,521,983 km (0.112 R)
• M9: 3,969,430 km (0.088 R)
• M10: 5,057,455 km (0.058 R)
• M11: 5,544,546 km (0.1 R)
• M12: 6,107,333 km (0.102 R)
• M13: 6,803,562 km (0.1 R)
• M14: 7,246,222 km (0.092 R)
• M15: 8,162,060 km (0.068 R)
• M16: 9,153,146 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 14.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.74 AU - 3.64 AU

Year: 4005 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 127.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,846,526 km

• M1: 180,714 km (0.073 R)
• M2: 689,945 km (0.059 R)
• M3: 1,488,798 km (0.078 R)
• M4: 2,198,191 km (0.094 R)
• M5: 2,859,115 km (0.075 R)
• M6: 3,449,727 km (0.119 R)
• M7: 3,989,027 km (0.111 R)
• M8: 4,584,576 km (0.075 R)
• M9: 6,100,751 km (0.048 R)
• M10: 6,799,672 km (0.107 R)
• M11: 8,430,738 km (0.089 R)
• M12: 9,067,127 km (0.104 R)
• M13: 9,614,954 km (0.079 R)
• M14: 10,520,769 km (0.101 R)
• M15: 11,755,101 km (0.079 R)
• M16: 13,034,911 km (0.116 R)
• M17: 15,153,217 km (0.053 R)
• M18: 15,647,339 km (0.114 R)
• M19: 16,266,076 km (0.117 R)
• M20: 19,932,271 km (0.119 R)
• M21: 21,268,030 km (0.117 R)
• M22: 23,969,020 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.7

Radius: 11.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.79 AU - 4.27 AU

Year: 4662 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,846,526 km

• M1: 144,362 km (0.045 R)
• M2: 509,381 km (0.057 R)
• M3: 1,283,400 km (0.105 R)
• M4: 1,880,595 km (0.071 R)
• M5: 2,498,434 km (0.1 R)
• M6: 3,341,867 km (0.081 R)
• M7: 4,053,803 km (0.071 R)
• M8: 4,458,017 km (0.072 R)
• M9: 5,507,146 km (0.084 R)
• M10: 5,919,588 km (0.103 R)
• M11: 7,380,112 km (0.099 R)
• M12: 8,407,400 km (0.117 R)
• M13: 9,219,717 km (0.118 R)
• M14: 9,605,829 km (0.094 R)
• M15: 10,205,268 km (0.102 R)
• M16: 10,829,689 km (0.098 R)
• M17: 11,656,816 km (0.119 R)
• M18: 12,572,504 km (0.099 R)
• M19: 13,833,764 km (0.06 R)
• M20: 16,948,990 km (0.077 R)
• M21: 18,063,793 km (0.101 R)
• M22: 18,547,443 km (0.096 R)
• M23: 20,700,605 km (0.1 R)
• M24: 24,162,300 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 15

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.97 AU - 4.51 AU

Year: 5084 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,846,526 km

• M1: 186,549 km (0.101 R)
• M2: 755,170 km (0.066 R)
• M3: 1,403,826 km (0.098 R)
• M4: 2,999,737 km (0.11 R)
• M5: 3,550,855 km (0.101 R)
• M6: 4,493,621 km (0.101 R)
• M7: 5,089,170 km (0.113 R)
• M8: 5,879,047 km (0.079 R)
• M9: 7,134,322 km (0.074 R)
• M10: 8,673,236 km (0.108 R)
• M11: 9,721,618 km (0.083 R)
• M12: 13,029,526 km (0.101 R)
• M13: 15,154,563 km (0.09 R)
• M14: 16,732,821 km (0.076 R)
• M15: 17,262,846 km (0.074 R)
• M16: 19,302,464 km (0.077 R)
• M17: 19,885,596 km (0.119 R)
• M18: 20,480,547 km (0.106 R)
• M19: 21,223,749 km (0.065 R)
• M20: 21,706,053 km (0.054 R)
• M21: 24,303,072 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 11.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.51 AU - 4.37 AU

Year: 5497 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,846,526 km

• M1: 143,016 km (0.089 R)
• M2: 679,623 km (0.063 R)
• M3: 1,075,908 km (0.091 R)
• M4: 1,681,181 km (0.12 R)
• M5: 2,063,254 km (0.114 R)
• M6: 2,697,399 km (0.099 R)
• M7: 3,879,671 km (0.117 R)
• M8: 4,577,396 km (0.112 R)
• M9: 6,557,772 km (0.095 R)
• M10: 7,124,299 km (0.071 R)
• M11: 7,752,610 km (0.079 R)
• M12: 9,251,731 km (0.069 R)
• M13: 10,569,239 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.1

Radius: 5.2

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.19 AU - 9.95 AU

Year: 19201 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,846,526 km

• M1: 70,461 km (0.075 R)
• M2: 449,242 km (0.119 R)
• M3: 2,484,073 km (0.079 R)
• M4: 2,706,674 km (0.034 R)
• M5: 2,894,120 km (0.116 R)
• M6: 3,648,094 km (0.104 R)
• M7: 5,876,803 km (0.12 R)
• M8: 6,602,502 km (0.064 R)
• M9: 6,900,351 km (0.107 R)
• M10: 7,568,605 km (0.088 R)
• M11: 8,426,250 km (0.066 R)
• M12: 9,941,526 km (0.109 R)
• M13: 19,247,860 km (0.091 R)
• M14: 22,035,766 km (0.067 R)
• M15: 22,796,621 km (0.106 R)
• M16: 26,651,010 km (0.072 R)
• M17: 32,843,614 km (0.064 R)
• M18: 33,585,769 km (0.087 R)
• M19: 34,975,234 km (0.065 R)
• M20: 37,330,952 km (0.115 R)
• M21: 42,355,496 km (0.095 R)
• M22: 43,827,239 km (0.115 R)
• M23: 54,577,193 km (0.111 R)
• M24: 57,559,426 km (0.07 R)
• M25: 58,456,864 km (0.056 R)
• M26: 63,274,215 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 15,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit