🌌 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: 494.1

Radius: 12.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.53 AU - 0.57 AU

Year: 287 Days

Day: 9.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,199,493 km

• M1: 155,432 km (0.069 R)
• M2: 663,018 km (0.113 R)
• M3: 1,902,287 km (0.115 R)
• M4: 2,516,236 km (0.075 R)
• M5: 3,269,461 km (0.103 R)
• M6: 3,678,013 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 8.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2 AU - 2.34 AU

Year: 2247 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,199,493 km

• M1: 103,223 km (0.065 R)
• M2: 404,213 km (0.075 R)
• M3: 910,153 km (0.063 R)
• M4: 1,803,552 km (0.083 R)
• M5: 2,220,032 km (0.115 R)
• M6: 2,774,891 km (0.102 R)
• M7: 3,078,724 km (0.083 R)
• M8: 3,928,590 km (0.108 R)
• M9: 4,758,559 km (0.03 R)
• M10: 5,494,730 km (0.119 R)
• M11: 8,080,679 km (0.082 R)
• M12: 9,861,641 km (0.12 R)
• M13: 10,135,854 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 14

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.19 AU - 3.71 AU

Year: 4504 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,199,493 km

• M1: 174,132 km (0.076 R)
• M2: 806,781 km (0.115 R)
• M3: 1,564,046 km (0.074 R)
• M4: 2,032,586 km (0.098 R)
• M5: 2,817,975 km (0.095 R)
• M6: 3,585,711 km (0.1 R)
• M7: 4,156,876 km (0.056 R)
• M8: 4,943,162 km (0.054 R)
• M9: 5,653,304 km (0.116 R)
• M10: 6,153,708 km (0.101 R)
• M11: 8,649,749 km (0.1 R)
• M12: 9,683,321 km (0.097 R)
• M13: 10,273,035 km (0.088 R)
• M14: 11,478,345 km (0.108 R)
• M15: 12,139,568 km (0.116 R)
• M16: 13,798,608 km (0.034 R)
• M17: 14,600,902 km (0.057 R)
• M18: 15,321,216 km (0.1 R)
• M19: 18,251,389 km (0.071 R)
• M20: 19,881,856 km (0.113 R)
• M21: 21,254,865 km (0.102 R)
• M22: 23,356,566 km (0.097 R)
• M23: 24,188,929 km (0.066 R)
• M24: 24,806,618 km (0.059 R)
• M25: 25,355,792 km (0.104 R)
• M26: 26,969,504 km (0.028 R)
• M27: 27,885,791 km (0.045 R)
• M28: 28,908,891 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.3

Radius: 6.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.88 AU - 6.38 AU

Year: 9390 Days

Day: 23.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,199,493 km

• M1: 81,830 km (0.107 R)
• M2: 311,912 km (0.114 R)
• M3: 575,353 km (0.096 R)
• M4: 987,944 km (0.106 R)
• M5: 1,445,265 km (0.065 R)
• M6: 2,081,505 km (0.106 R)
• M7: 2,698,596 km (0.107 R)
• M8: 3,633,433 km (0.114 R)
• M9: 4,314,552 km (0.106 R)
• M10: 5,222,910 km (0.057 R)
• M11: 7,712,668 km (0.079 R)
• M12: 9,085,079 km (0.089 R)
• M13: 9,343,135 km (0.102 R)
• M14: 11,239,737 km (0.096 R)
• M15: 14,053,074 km (0.111 R)
• M16: 16,211,472 km (0.095 R)
• M17: 30,758,519 km (0.067 R)
• M18: 31,635,013 km (0.076 R)
• M19: 34,260,456 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.8

Radius: 4.1

Gravity: 36.04 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.04 AU - 10.66 AU

Year: 18506 Days

Day: 18.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 20,199,493 km

• M1: 51,910 km (0.115 R)
• M2: 179,966 km (0.06 R)
• M3: 416,032 km (0.101 R)
• M4: 665,711 km (0.111 R)
• M5: 2,343,151 km (0.095 R)
• M6: 3,420,855 km (0.114 R)
• M7: 3,618,623 km (0.083 R)
• M8: 3,823,722 km (0.101 R)
• M9: 4,005,782 km (0.117 R)
• M10: 5,076,155 km (0.085 R)
• M11: 5,834,467 km (0.115 R)
• M12: 6,578,866 km (0.12 R)
• M13: 9,243,952 km (0.101 R)
• M14: 10,426,822 km (0.111 R)
• M15: 11,085,202 km (0.108 R)
• M16: 11,455,756 km (0.047 R)
• M17: 11,770,660 km (0.064 R)
• M18: 13,363,877 km (0.104 R)
• M19: 13,572,566 km (0.12 R)
• M20: 15,473,656 km (0.088 R)
• M21: 16,487,630 km (0.037 R)
• M22: 17,379,682 km (0.104 R)
• M23: 21,841,588 km (0.088 R)
• M24: 23,315,726 km (0.058 R)
• M25: 25,064,974 km (0.08 R)
• M26: 26,025,542 km (0.059 R)
• M27: 28,591,444 km (0.033 R)
• M28: 34,089,764 km (0.111 R)
• M29: 35,400,391 km (0.116 R)
• M30: 36,472,858 km (0.05 R)
• M31: 37,154,127 km (0.102 R)
• M32: 39,676,646 km (0.105 R)
• M33: 42,161,766 km (0.117 R)
• M34: 48,906,386 km (0.082 R)
• M35: 54,722,153 km (0.071 R)
• M36: 58,720,904 km (0.057 R)
• M37: 59,093,852 km (0.029 R)
• M38: 61,941,148 km (0.049 R)
• M39: 62,521,289 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.2

Radius: 5.3

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.6 AU - 10.72 AU

Year: 19487 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 20,199,493 km

• M1: 66,421 km (0.115 R)
• M2: 335,099 km (0.111 R)
• M3: 554,859 km (0.107 R)
• M4: 750,084 km (0.092 R)
• M5: 991,535 km (0.072 R)
• M6: 2,986,273 km (0.104 R)
• M7: 3,457,656 km (0.084 R)
• M8: 3,887,151 km (0.084 R)
• M9: 4,851,758 km (0.117 R)
• M10: 5,026,937 km (0.111 R)
• M11: 5,426,962 km (0.118 R)
• M12: 6,086,689 km (0.083 R)
• M13: 7,151,975 km (0.06 R)
• M14: 13,748,344 km (0.087 R)
• M15: 14,028,989 km (0.116 R)
• M16: 17,950,398 km (0.114 R)
• M17: 18,454,842 km (0.061 R)
• M18: 20,115,079 km (0.085 R)
• M19: 20,386,001 km (0.053 R)
• M20: 21,027,626 km (0.102 R)
• M21: 23,429,271 km (0.063 R)
• M22: 28,769,167 km (0.111 R)
• M23: 33,837,991 km (0.074 R)
• M24: 36,716,254 km (0.095 R)
• M25: 36,985,680 km (0.047 R)
• M26: 39,329,879 km (0.108 R)
• M27: 49,698,208 km (0.099 R)
• M28: 53,406,440 km (0.09 R)
• M29: 53,579,225 km (0.113 R)
• M30: 57,476,100 km (0.119 R)
• M31: 59,123,322 km (0.057 R)
• M32: 60,238,724 km (0.08 R)
• M33: 62,128,744 km (0.033 R)
• M34: 64,448,707 km (0.05 R)
• M35: 67,026,279 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.1

Radius: 6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.41 AU - 10.77 AU

Year: 22529 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,199,493 km

• M1: 151,094 km (0.085 R)
• M2: 535,560 km (0.041 R)
• M3: 893,847 km (0.099 R)
• M4: 2,033,484 km (0.06 R)
• M5: 7,156,463 km (0.112 R)
• M6: 7,400,008 km (0.025 R)
• M7: 9,014,020 km (0.079 R)
• M8: 13,789,184 km (0.039 R)
• M9: 18,385,279 km (0.11 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: 525 - 11,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit