🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.6

Radius: 10.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.7 AU - 1.06 AU

Year: 542 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,615,121 km

• M1: 128,205 km (0.111 R)
• M2: 492,626 km (0.036 R)
• M3: 812,915 km (0.072 R)
• M4: 1,145,770 km (0.032 R)
• M5: 1,777,223 km (0.08 R)
• M6: 2,111,724 km (0.061 R)
• M7: 2,880,357 km (0.088 R)
• M8: 3,236,101 km (0.042 R)
• M9: 3,586,160 km (0.102 R)
• M10: 4,075,495 km (0.029 R)
• M11: 4,430,491 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.3

Radius: 9.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.86 AU - 1 AU

Year: 588 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,615,121 km

• M1: 115,639 km (0.058 R)
• M2: 468,391 km (0.081 R)
• M3: 852,857 km (0.081 R)
• M4: 1,142,329 km (0.103 R)
• M5: 1,565,691 km (0.078 R)
• M6: 1,899,145 km (0.095 R)
• M7: 2,369,630 km (0.09 R)
• M8: 2,721,784 km (0.088 R)
• M9: 3,930,086 km (0.111 R)
• M10: 4,539,099 km (0.119 R)
• M11: 4,979,216 km (0.06 R)
• M12: 5,463,613 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.5

Radius: 11.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.18 AU - 1.74 AU

Year: 1157 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,615,121 km

• M1: 138,079 km (0.106 R)
• M2: 485,894 km (0.093 R)
• M3: 1,072,617 km (0.093 R)
• M4: 1,559,857 km (0.109 R)
• M5: 2,021,815 km (0.09 R)
• M6: 2,432,162 km (0.117 R)
• M7: 3,023,822 km (0.097 R)
• M8: 3,423,398 km (0.112 R)
• M9: 4,053,803 km (0.081 R)
• M10: 4,681,217 km (0.106 R)
• M11: 5,035,016 km (0.088 R)
• M12: 6,243,916 km (0.117 R)
• M13: 6,814,781 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.9

Radius: 13.2

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.12 AU - 3.08 AU

Year: 2750 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,615,121 km

• M1: 169,046 km (0.094 R)
• M2: 664,364 km (0.069 R)
• M3: 1,281,306 km (0.111 R)
• M4: 2,158,548 km (0.114 R)
• M5: 3,204,386 km (0.108 R)
• M6: 4,405,956 km (0.106 R)
• M7: 5,464,062 km (0.116 R)
• M8: 6,053,478 km (0.079 R)
• M9: 8,080,230 km (0.078 R)
• M10: 8,846,919 km (0.09 R)
• M11: 9,738,073 km (0.111 R)
• M12: 10,404,981 km (0.074 R)
• M13: 12,317,889 km (0.086 R)
• M14: 19,637,712 km (0.075 R)
• M15: 20,702,999 km (0.034 R)
• M16: 21,152,840 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.8

Radius: 9.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.71 AU - 5.27 AU

Year: 6241 Days

Day: 9.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,615,121 km

• M1: 122,670 km (0.104 R)
• M2: 451,786 km (0.12 R)
• M3: 837,898 km (0.037 R)
• M4: 1,593,965 km (0.106 R)
• M5: 2,018,225 km (0.104 R)
• M6: 3,761,938 km (0.093 R)
• M7: 4,071,904 km (0.12 R)
• M8: 4,423,160 km (0.035 R)
• M9: 5,714,339 km (0.094 R)
• M10: 6,619,706 km (0.1 R)
• M11: 7,864,659 km (0.037 R)
• M12: 9,459,821 km (0.053 R)
• M13: 10,549,193 km (0.112 R)
• M14: 12,926,004 km (0.111 R)
• M15: 13,277,858 km (0.056 R)
• M16: 14,426,022 km (0.104 R)
• M17: 15,413,517 km (0.078 R)
• M18: 17,218,865 km (0.073 R)
• M19: 19,031,542 km (0.069 R)
• M20: 22,090,818 km (0.106 R)
• M21: 24,379,666 km (0.116 R)
• M22: 26,337,154 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 9.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.7 AU - 5.82 AU

Year: 7914 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,615,121 km

• M1: 121,922 km (0.087 R)
• M2: 506,389 km (0.045 R)
• M3: 862,432 km (0.036 R)
• M4: 1,917,246 km (0.03 R)
• M5: 3,465,584 km (0.056 R)
• M6: 4,948,398 km (0.071 R)
• M7: 5,338,699 km (0.033 R)
• M8: 7,687,087 km (0.087 R)
• M9: 10,504,762 km (0.068 R)
• M10: 10,999,931 km (0.095 R)
• M11: 11,666,689 km (0.037 R)
• M12: 12,414,828 km (0.118 R)
• M13: 13,480,713 km (0.108 R)
• M14: 14,789,844 km (0.113 R)
• M15: 16,909,795 km (0.079 R)
• M16: 20,192,122 km (0.066 R)
• M17: 22,711,350 km (0.11 R)
• M18: 23,876,718 km (0.046 R)
• M19: 28,080,717 km (0.026 R)
• M20: 29,228,282 km (0.116 R)
• M21: 29,617,686 km (0.11 R)
• M22: 31,007,899 km (0.076 R)
• M23: 31,514,736 km (0.094 R)
• M24: 36,553,043 km (0.086 R)
• M25: 37,460,803 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 9.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.33 AU - 6.29 AU

Year: 8027 Days

Day: 14.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,615,121 km

• M1: 119,379 km (0.058 R)
• M2: 542,143 km (0.117 R)
• M3: 1,005,597 km (0.105 R)
• M4: 2,445,626 km (0.104 R)
• M5: 3,158,759 km (0.072 R)
• M6: 4,050,662 km (0.032 R)
• M7: 4,555,554 km (0.055 R)
• M8: 4,967,996 km (0.076 R)
• M9: 6,839,764 km (0.097 R)
• M10: 9,465,356 km (0.109 R)
• M11: 19,789,405 km (0.061 R)
• M12: 23,894,370 km (0.06 R)
• M13: 24,434,568 km (0.113 R)
• M14: 24,982,994 km (0.097 R)
• M15: 25,300,141 km (0.053 R)
• M16: 28,533,999 km (0.113 R)
• M17: 28,880,467 km (0.044 R)
• M18: 29,493,669 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 5.2

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.89 AU - 10.53 AU

Year: 21402 Days

Day: 17.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,615,121 km

• M1: 64,925 km (0.104 R)
• M2: 522,545 km (0.082 R)
• M3: 1,063,790 km (0.09 R)
• M4: 1,350,570 km (0.075 R)
• M5: 1,768,097 km (0.088 R)
• M6: 2,426,029 km (0.074 R)
• M7: 4,121,721 km (0.108 R)
• M8: 5,758,770 km (0.052 R)
• M9: 6,402,041 km (0.086 R)
• M10: 6,600,108 km (0.098 R)
• M11: 7,092,136 km (0.1 R)
• M12: 7,652,380 km (0.1 R)
• M13: 8,476,066 km (0.1 R)
• M14: 9,057,104 km (0.053 R)
• M15: 9,716,083 km (0.077 R)
• M16: 11,300,474 km (0.117 R)
• M17: 12,183,999 km (0.119 R)
• M18: 12,549,915 km (0.106 R)
• M19: 13,432,393 km (0.114 R)
• M20: 14,355,561 km (0.032 R)
• M21: 15,320,168 km (0.078 R)
• M22: 26,731,644 km (0.028 R)
• M23: 28,827,659 km (0.093 R)
• M24: 29,043,080 km (0.106 R)
• M25: 30,693,444 km (0.073 R)
• M26: 31,598,661 km (0.098 R)
• M27: 34,420,974 km (0.098 R)
• M28: 38,439,322 km (0.074 R)
• M29: 44,891,329 km (0.104 R)
• M30: 47,692,250 km (0.071 R)
• M31: 54,786,031 km (0.048 R)
• M32: 55,116,643 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 15,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit