🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 14.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 9.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,866,089 km

• M1: 176,675 km (0.111 R)
• M2: 663,616 km (0.09 R)
• M3: 1,143,377 km (0.05 R)
• M4: 1,695,542 km (0.112 R)
• M5: 2,234,543 km (0.062 R)
• M6: 2,870,185 km (0.118 R)
• M7: 3,635,228 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.2

Radius: 11.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.83 AU - 0.85 AU

Year: 531 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,866,089 km

• M1: 146,756 km (0.119 R)
• M2: 535,710 km (0.116 R)
• M3: 1,061,696 km (0.057 R)
• M4: 1,686,118 km (0.069 R)
• M5: 2,188,617 km (0.118 R)
• M6: 2,614,672 km (0.114 R)
• M7: 4,339,236 km (0.039 R)
• M8: 5,611,416 km (0.119 R)
• M9: 6,068,587 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 12.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.87 AU - 1.39 AU

Year: 829 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 165.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,866,089 km

• M1: 160,519 km (0.084 R)
• M2: 590,612 km (0.07 R)
• M3: 996,172 km (0.091 R)
• M4: 1,534,874 km (0.081 R)
• M5: 1,954,347 km (0.085 R)
• M6: 2,647,583 km (0.04 R)
• M7: 3,513,904 km (0.03 R)
• M8: 4,736,867 km (0.112 R)
• M9: 5,195,983 km (0.078 R)
• M10: 5,806,641 km (0.107 R)
• M11: 6,377,208 km (0.119 R)
• M12: 6,846,646 km (0.09 R)
• M13: 7,981,645 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.8

Radius: 9.2

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.3 AU - 2.04 AU

Year: 1490 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,866,089 km

• M1: 118,781 km (0.098 R)
• M2: 518,357 km (0.051 R)
• M3: 848,070 km (0.091 R)
• M4: 1,199,476 km (0.107 R)
• M5: 1,677,890 km (0.063 R)
• M6: 2,218,387 km (0.097 R)
• M7: 2,590,437 km (0.112 R)
• M8: 3,411,579 km (0.082 R)
• M9: 3,963,895 km (0.064 R)
• M10: 4,634,991 km (0.118 R)
• M11: 4,987,443 km (0.104 R)
• M12: 6,376,759 km (0.055 R)
• M13: 6,787,255 km (0.107 R)
• M14: 7,492,011 km (0.105 R)
• M15: 8,066,616 km (0.08 R)
• M16: 8,701,211 km (0.037 R)
• M17: 10,001,814 km (0.104 R)
• M18: 10,451,206 km (0.109 R)
• M19: 11,880,614 km (0.049 R)
• M20: 12,267,175 km (0.116 R)
• M21: 14,810,040 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.9

Radius: 4.1

Gravity: 56.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.94 AU - 6.44 AU

Year: 10630 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,866,089 km

• M1: 52,359 km (0.112 R)
• M2: 470,635 km (0.065 R)
• M3: 644,468 km (0.108 R)
• M4: 774,319 km (0.064 R)
• M5: 975,229 km (0.097 R)
• M6: 1,197,681 km (0.052 R)
• M7: 1,511,238 km (0.07 R)
• M8: 1,776,624 km (0.098 R)
• M9: 2,090,780 km (0.089 R)
• M10: 2,587,146 km (0.107 R)
• M11: 2,990,461 km (0.098 R)
• M12: 3,357,425 km (0.11 R)
• M13: 5,441,323 km (0.049 R)
• M14: 5,691,750 km (0.108 R)
• M15: 7,664,647 km (0.114 R)
• M16: 9,274,470 km (0.064 R)
• M17: 10,758,780 km (0.026 R)
• M18: 15,358,914 km (0.032 R)
• M19: 18,362,391 km (0.088 R)
• M20: 18,522,161 km (0.08 R)
• M21: 25,300,889 km (0.097 R)
• M22: 28,483,584 km (0.113 R)
• M23: 30,115,099 km (0.057 R)
• M24: 31,010,292 km (0.079 R)
• M25: 35,012,933 km (0.071 R)
• M26: 37,521,240 km (0.099 R)
• M27: 38,036,904 km (0.094 R)
• M28: 38,296,606 km (0.102 R)
• M29: 40,281,171 km (0.09 R)
• M30: 45,031,502 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.4

Radius: 7.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.33 AU - 7.03 AU

Year: 11917 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,866,089 km

• M1: 98,435 km (0.114 R)
• M2: 1,496,428 km (0.07 R)
• M3: 2,987,619 km (0.03 R)
• M4: 4,603,276 km (0.085 R)
• M5: 5,011,828 km (0.083 R)
• M6: 7,223,932 km (0.059 R)
• M7: 7,847,306 km (0.078 R)
• M8: 13,406,662 km (0.054 R)
• M9: 14,028,840 km (0.073 R)
• M10: 14,347,034 km (0.074 R)
• M11: 15,724,980 km (0.111 R)
• M12: 19,192,958 km (0.031 R)
• M13: 22,195,537 km (0.09 R)
• M14: 27,265,259 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.1

Radius: 5.3

Gravity: 32.61 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.04 AU - 9.16 AU

Year: 18948 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,866,089 km

• M1: 68,067 km (0.066 R)
• M2: 333,154 km (0.06 R)
• M3: 569,220 km (0.09 R)
• M4: 835,803 km (0.119 R)
• M5: 1,010,982 km (0.094 R)
• M6: 1,437,486 km (0.092 R)
• M7: 1,936,395 km (0.105 R)
• M8: 2,182,783 km (0.083 R)
• M9: 2,567,399 km (0.097 R)
• M10: 3,559,981 km (0.069 R)
• M11: 4,429,892 km (0.1 R)
• M12: 5,237,122 km (0.082 R)
• M13: 6,356,563 km (0.096 R)
• M14: 7,727,328 km (0.111 R)
• M15: 7,930,632 km (0.061 R)
• M16: 8,401,416 km (0.1 R)
• M17: 10,410,217 km (0.085 R)
• M18: 10,784,062 km (0.067 R)
• M19: 16,159,412 km (0.109 R)
• M20: 17,000,452 km (0.081 R)
• M21: 21,949,897 km (0.115 R)
• M22: 23,720,538 km (0.027 R)
• M23: 25,026,377 km (0.072 R)
• M24: 25,472,029 km (0.11 R)
• M25: 36,953,816 km (0.083 R)
• M26: 37,677,121 km (0.111 R)
• M27: 38,705,457 km (0.047 R)
• M28: 40,971,865 km (0.046 R)
• M29: 48,299,318 km (0.113 R)
• M30: 49,512,407 km (0.061 R)
• M31: 51,818,758 km (0.085 R)
• M32: 54,195,718 km (0.072 R)
• M33: 62,166,891 km (0.088 R)
• M34: 63,395,239 km (0.095 R)
• M35: 77,755,737 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 18,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit