🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 11.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.7 AU - 0.74 AU

Year: 422 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,459,409 km

• M1: 139,425 km (0.078 R)
• M2: 499,956 km (0.088 R)
• M3: 949,946 km (0.111 R)
• M4: 1,335,909 km (0.088 R)
• M5: 1,699,881 km (0.074 R)
• M6: 2,188,766 km (0.063 R)
• M7: 2,951,716 km (0.064 R)
• M8: 3,384,353 km (0.107 R)
• M9: 3,736,356 km (0.119 R)
• M10: 4,310,663 km (0.056 R)
• M11: 4,711,435 km (0.114 R)
• M12: 5,091,863 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 9.9

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.89 AU - 1.45 AU

Year: 874 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 63.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,459,409 km

• M1: 123,119 km (0.074 R)
• M2: 451,038 km (0.042 R)
• M3: 1,033,871 km (0.096 R)
• M4: 1,460,225 km (0.116 R)
• M5: 1,934,899 km (0.097 R)
• M6: 2,614,971 km (0.092 R)
• M7: 3,264,974 km (0.084 R)
• M8: 3,665,597 km (0.078 R)
• M9: 4,497,211 km (0.112 R)
• M10: 5,568,033 km (0.07 R)
• M11: 6,823,308 km (0.11 R)
• M12: 7,554,094 km (0.098 R)
• M13: 9,032,869 km (0.119 R)
• M14: 9,594,759 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 13

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.05 AU - 1.43 AU

Year: 953 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 66.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,459,409 km

• M1: 161,715 km (0.072 R)
• M2: 907,461 km (0.117 R)
• M3: 1,350,869 km (0.072 R)
• M4: 3,200,497 km (0.093 R)
• M5: 5,092,162 km (0.113 R)
• M6: 5,877,551 km (0.06 R)
• M7: 7,205,531 km (0.117 R)
• M8: 8,590,508 km (0.059 R)
• M9: 9,163,767 km (0.109 R)
• M10: 9,791,629 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.6

Radius: 11.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.91 AU - 2.43 AU

Year: 2206 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,459,409 km

• M1: 144,512 km (0.109 R)
• M2: 587,620 km (0.088 R)
• M3: 1,010,085 km (0.058 R)
• M4: 1,768,546 km (0.061 R)
• M5: 2,463,877 km (0.116 R)
• M6: 3,282,476 km (0.115 R)
• M7: 3,708,980 km (0.12 R)
• M8: 4,481,803 km (0.091 R)
• M9: 6,346,989 km (0.106 R)
• M10: 9,189,797 km (0.063 R)
• M11: 10,526,454 km (0.093 R)
• M12: 10,986,617 km (0.103 R)
• M13: 11,947,484 km (0.032 R)
• M14: 13,182,265 km (0.088 R)
• M15: 14,500,372 km (0.078 R)
• M16: 14,878,855 km (0.093 R)
• M17: 16,562,279 km (0.096 R)
• M18: 17,717,025 km (0.051 R)
• M19: 18,424,324 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 10.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.44 AU - 2.5 AU

Year: 2680 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,459,409 km

• M1: 135,685 km (0.116 R)
• M2: 476,918 km (0.056 R)
• M3: 843,134 km (0.107 R)
• M4: 1,283,251 km (0.092 R)
• M5: 2,135,958 km (0.058 R)
• M6: 2,502,922 km (0.116 R)
• M7: 3,149,484 km (0.089 R)
• M8: 4,115,737 km (0.092 R)
• M9: 4,667,902 km (0.096 R)
• M10: 5,085,729 km (0.062 R)
• M11: 5,528,389 km (0.077 R)
• M12: 6,518,129 km (0.083 R)
• M13: 7,802,726 km (0.11 R)
• M14: 8,553,258 km (0.087 R)
• M15: 9,113,502 km (0.067 R)
• M16: 9,488,993 km (0.053 R)
• M17: 11,722,340 km (0.082 R)
• M18: 14,514,733 km (0.071 R)
• M19: 16,689,886 km (0.1 R)
• M20: 17,670,500 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 12.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.35 AU - 2.61 AU

Year: 2696 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,459,409 km

• M1: 156,031 km (0.065 R)
• M2: 562,488 km (0.107 R)
• M3: 1,117,496 km (0.062 R)
• M4: 1,699,881 km (0.112 R)
• M5: 2,108,133 km (0.106 R)
• M6: 3,180,451 km (0.093 R)
• M7: 3,770,315 km (0.089 R)
• M8: 4,302,584 km (0.1 R)
• M9: 5,002,403 km (0.104 R)
• M10: 5,724,662 km (0.091 R)
• M11: 7,502,034 km (0.104 R)
• M12: 9,291,973 km (0.106 R)
• M13: 10,228,754 km (0.112 R)
• M14: 11,104,201 km (0.035 R)
• M15: 12,072,249 km (0.093 R)
• M16: 15,673,519 km (0.083 R)
• M17: 19,573,984 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.6

Radius: 5.7

Gravity: 19.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.56 AU - 8.46 AU

Year: 14206 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,459,409 km

• M1: 71,059 km (0.115 R)
• M2: 254,765 km (0.041 R)
• M3: 908,059 km (0.115 R)
• M4: 1,182,721 km (0.091 R)
• M5: 1,681,779 km (0.049 R)
• M6: 2,024,807 km (0.097 R)
• M7: 2,475,546 km (0.103 R)
• M8: 2,736,145 km (0.108 R)
• M9: 3,468,277 km (0.097 R)
• M10: 5,635,202 km (0.11 R)
• M11: 5,895,951 km (0.075 R)
• M12: 6,087,137 km (0.082 R)
• M13: 6,644,689 km (0.089 R)
• M14: 8,618,782 km (0.114 R)
• M15: 9,898,891 km (0.1 R)
• M16: 10,838,665 km (0.104 R)
• M17: 11,359,714 km (0.09 R)
• M18: 12,080,028 km (0.094 R)
• M19: 12,388,948 km (0.089 R)
• M20: 12,576,843 km (0.117 R)
• M21: 12,958,317 km (0.1 R)
• M22: 13,677,883 km (0.075 R)
• M23: 15,267,659 km (0.066 R)
• M24: 15,483,679 km (0.117 R)
• M25: 16,368,401 km (0.119 R)
• M26: 18,809,239 km (0.069 R)
• M27: 19,560,969 km (0.036 R)
• M28: 23,622,102 km (0.039 R)
• M29: 24,202,692 km (0.096 R)
• M30: 24,398,366 km (0.084 R)
• M31: 26,207,153 km (0.106 R)
• M32: 31,347,935 km (0.067 R)
• M33: 36,348,243 km (0.095 R)
• M34: 45,027,314 km (0.09 R)
• M35: 45,769,917 km (0.111 R)
• M36: 52,497,184 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.3

Radius: 7.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.24 AU - 9.96 AU

Year: 18948 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,459,409 km

• M1: 98,286 km (0.106 R)
• M2: 659,727 km (0.099 R)
• M3: 1,169,257 km (0.104 R)
• M4: 1,805,945 km (0.037 R)
• M5: 2,194,002 km (0.097 R)
• M6: 2,899,356 km (0.092 R)
• M7: 3,304,767 km (0.082 R)
• M8: 3,864,113 km (0.085 R)
• M9: 5,228,595 km (0.084 R)
• M10: 6,019,669 km (0.114 R)
• M11: 6,377,507 km (0.101 R)
• M12: 8,504,190 km (0.072 R)
• M13: 9,038,703 km (0.119 R)
• M14: 9,815,864 km (0.063 R)
• M15: 10,920,046 km (0.094 R)
• M16: 12,053,998 km (0.086 R)
• M17: 12,623,218 km (0.097 R)
• M18: 13,102,230 km (0.118 R)
• M19: 14,210,003 km (0.112 R)
• M20: 15,438,949 km (0.074 R)
• M21: 17,315,355 km (0.12 R)
• M22: 18,853,371 km (0.054 R)
• M23: 23,608,938 km (0.119 R)
• M24: 26,261,906 km (0.118 R)
• M25: 30,699,577 km (0.076 R)
• M26: 31,662,689 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.1

Radius: 5.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.07 AU - 11.21 AU

Year: 20660 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,459,409 km

• M1: 74,051 km (0.057 R)
• M2: 421,118 km (0.047 R)
• M3: 652,247 km (0.069 R)
• M4: 902,674 km (0.092 R)
• M5: 2,529,850 km (0.113 R)
• M6: 3,025,916 km (0.1 R)
• M7: 3,421,602 km (0.111 R)
• M8: 3,631,937 km (0.083 R)
• M9: 4,342,527 km (0.119 R)
• M10: 5,418,435 km (0.07 R)
• M11: 6,102,546 km (0.068 R)
• M12: 7,102,159 km (0.06 R)
• M13: 8,627,309 km (0.04 R)
• M14: 10,700,736 km (0.093 R)
• M15: 11,356,573 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.7

Radius: 7.4

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.21 AU - 10.67 AU

Year: 21632 Days

Day: 16.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,459,409 km

• M1: 111,002 km (0.081 R)
• M2: 580,589 km (0.057 R)
• M3: 1,263,952 km (0.025 R)
• M4: 1,532,331 km (0.102 R)
• M5: 2,576,225 km (0.104 R)
• M6: 2,911,324 km (0.099 R)
• M7: 3,877,876 km (0.03 R)
• M8: 4,384,863 km (0.069 R)
• M9: 6,426,276 km (0.117 R)
• M10: 6,999,086 km (0.104 R)
• M11: 9,467,600 km (0.038 R)
• M12: 9,748,246 km (0.049 R)
• M13: 11,173,615 km (0.119 R)
• M14: 11,742,386 km (0.082 R)
• M15: 12,937,523 km (0.057 R)
• M16: 13,778,113 km (0.115 R)
• M17: 18,187,212 km (0.082 R)
• M18: 18,709,159 km (0.057 R)
• M19: 18,973,947 km (0.075 R)
• M20: 20,057,783 km (0.08 R)
• M21: 22,052,970 km (0.082 R)
• M22: 22,447,460 km (0.081 R)
• M23: 24,490,967 km (0.099 R)
• M24: 25,020,543 km (0.09 R)
• M25: 26,655,349 km (0.116 R)
• M26: 31,985,072 km (0.09 R)
• M27: 35,501,669 km (0.043 R)
• M28: 37,283,230 km (0.075 R)
• M29: 41,023,626 km (0.107 R)
• M30: 44,377,909 km (0.12 R)
• M31: 53,377,119 km (0.078 R)
• M32: 55,894,103 km (0.089 R)
• M33: 56,260,019 km (0.102 R)
• M34: 57,926,540 km (0.093 R)
• M35: 61,357,567 km (0.053 R)
• M36: 63,718,670 km (0.081 R)
• M37: 67,166,452 km (0.028 R)
• M38: 72,242,457 km (0.115 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: 507 - 19,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit