🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 13.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,049,709 km

• M1: 162,912 km (0.104 R)
• M2: 652,546 km (0.047 R)
• M3: 1,192,893 km (0.062 R)
• M4: 2,177,846 km (0.106 R)
• M5: 2,704,131 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 11.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.4 AU

Year: 954 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,049,709 km

• M1: 140,772 km (0.096 R)
• M2: 636,988 km (0.11 R)
• M3: 1,104,331 km (0.065 R)
• M4: 2,120,101 km (0.107 R)
• M5: 2,562,612 km (0.095 R)
• M6: 2,925,835 km (0.116 R)
• M7: 4,566,176 km (0.057 R)
• M8: 5,155,442 km (0.04 R)
• M9: 6,019,669 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 10.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.27 AU - 1.51 AU

Year: 1093 Days

Day: 10.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,049,709 km

• M1: 131,646 km (0.08 R)
• M2: 579,991 km (0.118 R)
• M3: 921,672 km (0.085 R)
• M4: 1,936,844 km (0.056 R)
• M5: 2,270,746 km (0.078 R)
• M6: 2,601,208 km (0.105 R)
• M7: 5,403,924 km (0.08 R)
• M8: 6,400,694 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 13.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.5 AU - 2.02 AU

Year: 1557 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,049,709 km

• M1: 166,652 km (0.091 R)
• M2: 597,943 km (0.12 R)
• M3: 1,294,470 km (0.08 R)
• M4: 1,997,431 km (0.083 R)
• M5: 2,549,297 km (0.118 R)
• M6: 3,014,846 km (0.09 R)
• M7: 3,648,991 km (0.101 R)
• M8: 4,280,145 km (0.11 R)
• M9: 4,844,727 km (0.057 R)
• M10: 5,437,284 km (0.075 R)
• M11: 5,896,400 km (0.073 R)
• M12: 6,428,819 km (0.063 R)
• M13: 7,779,239 km (0.103 R)
• M14: 8,917,978 km (0.112 R)
• M15: 11,348,644 km (0.097 R)
• M16: 11,992,214 km (0.102 R)
• M17: 12,850,008 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.1

Radius: 10.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.17 AU - 3.17 AU

Year: 3764 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,049,709 km

• M1: 136,134 km (0.076 R)
• M2: 948,002 km (0.076 R)
• M3: 1,324,390 km (0.095 R)
• M4: 2,739,287 km (0.093 R)
• M5: 3,288,610 km (0.041 R)
• M6: 4,106,611 km (0.097 R)
• M7: 8,311,508 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 9.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.3 AU - 4 AU

Year: 4650 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,049,709 km

• M1: 119,828 km (0.069 R)
• M2: 442,211 km (0.1 R)
• M3: 743,202 km (0.119 R)
• M4: 1,050,626 km (0.058 R)
• M5: 1,387,221 km (0.041 R)
• M6: 1,807,591 km (0.117 R)
• M7: 3,419,059 km (0.084 R)
• M8: 3,773,307 km (0.069 R)
• M9: 4,339,984 km (0.109 R)
• M10: 5,198,975 km (0.089 R)
• M11: 6,330,234 km (0.099 R)
• M12: 6,808,648 km (0.096 R)
• M13: 7,933,624 km (0.107 R)
• M14: 9,248,888 km (0.1 R)
• M15: 10,052,079 km (0.034 R)
• M16: 11,020,426 km (0.088 R)
• M17: 13,459,021 km (0.094 R)
• M18: 15,073,631 km (0.095 R)
• M19: 17,187,748 km (0.036 R)
• M20: 18,343,841 km (0.105 R)
• M21: 18,797,571 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.3

Radius: 13.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.31 AU - 5.15 AU

Year: 5801 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,049,709 km

• M1: 166,652 km (0.078 R)
• M2: 667,356 km (0.119 R)
• M3: 1,085,632 km (0.046 R)
• M4: 2,000,572 km (0.119 R)
• M5: 2,494,544 km (0.063 R)
• M6: 3,184,041 km (0.108 R)
• M7: 3,798,290 km (0.094 R)
• M8: 4,790,722 km (0.111 R)
• M9: 5,715,087 km (0.08 R)
• M10: 6,159,393 km (0.077 R)
• M11: 7,017,337 km (0.064 R)
• M12: 8,283,832 km (0.082 R)
• M13: 9,050,372 km (0.107 R)
• M14: 9,738,821 km (0.088 R)
• M15: 11,038,677 km (0.119 R)
• M16: 13,770,035 km (0.059 R)
• M17: 14,846,392 km (0.111 R)
• M18: 18,222,367 km (0.065 R)
• M19: 22,956,392 km (0.109 R)
• M20: 26,369,617 km (0.1 R)
• M21: 27,523,166 km (0.102 R)
• M22: 28,624,057 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 11.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.83 AU - 4.87 AU

Year: 6050 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,049,709 km

• M1: 145,559 km (0.117 R)
• M2: 530,624 km (0.076 R)
• M3: 975,677 km (0.07 R)
• M4: 1,507,498 km (0.103 R)
• M5: 2,007,603 km (0.06 R)
• M6: 3,051,198 km (0.116 R)
• M7: 3,470,521 km (0.102 R)
• M8: 5,321,944 km (0.032 R)
• M9: 7,261,630 km (0.119 R)
• M10: 8,051,657 km (0.082 R)
• M11: 8,622,522 km (0.08 R)
• M12: 9,973,840 km (0.1 R)
• M13: 10,632,669 km (0.115 R)
• M14: 12,937,822 km (0.071 R)
• M15: 15,558,328 km (0.04 R)
• M16: 17,933,344 km (0.11 R)
• M17: 20,055,240 km (0.065 R)
• M18: 21,898,436 km (0.065 R)
• M19: 23,544,311 km (0.117 R)
• M20: 25,674,884 km (0.058 R)
• M21: 26,412,850 km (0.107 R)
• M22: 27,588,839 km (0.099 R)
• M23: 28,450,074 km (0.095 R)
• M24: 29,864,971 km (0.112 R)
• M25: 30,407,562 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 9.6

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.11 AU - 5.53 AU

Year: 8183 Days

Day: 13.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,049,709 km

• M1: 119,529 km (0.097 R)
• M2: 438,172 km (0.052 R)
• M3: 781,798 km (0.062 R)
• M4: 1,229,395 km (0.111 R)
• M5: 1,767,648 km (0.103 R)
• M6: 2,083,898 km (0.115 R)
• M7: 2,571,587 km (0.06 R)
• M8: 3,338,725 km (0.088 R)
• M9: 5,289,930 km (0.082 R)
• M10: 6,749,557 km (0.084 R)
• M11: 8,504,938 km (0.045 R)
• M12: 10,293,081 km (0.119 R)
• M13: 11,011,002 km (0.036 R)
• M14: 11,761,833 km (0.043 R)
• M15: 12,093,941 km (0.067 R)
• M16: 12,603,770 km (0.052 R)
• M17: 13,606,076 km (0.118 R)
• M18: 14,533,732 km (0.092 R)
• M19: 16,377,376 km (0.107 R)
• M20: 17,284,239 km (0.086 R)
• M21: 20,443,447 km (0.117 R)
• M22: 21,167,351 km (0.037 R)
• M23: 22,666,321 km (0.111 R)
• M24: 27,199,586 km (0.101 R)
• M25: 29,678,123 km (0.074 R)
• M26: 30,088,171 km (0.052 R)
• M27: 30,605,929 km (0.049 R)
• M28: 31,659,547 km (0.083 R)
• M29: 32,737,250 km (0.079 R)
• M30: 33,285,077 km (0.11 R)
• M31: 37,174,173 km (0.038 R)
• M32: 38,252,176 km (0.109 R)
• M33: 40,095,072 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.1

Radius: 3.7

Gravity: 50.99 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.35 AU - 7.53 AU

Year: 12192 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,049,709 km

• M1: 48,021 km (0.108 R)
• M2: 166,802 km (0.026 R)
• M3: 366,814 km (0.051 R)
• M4: 492,626 km (0.065 R)
• M5: 724,054 km (0.064 R)
• M6: 1,128,716 km (0.092 R)
• M7: 1,591,273 km (0.076 R)
• M8: 2,040,665 km (0.088 R)
• M9: 2,246,212 km (0.115 R)
• M10: 2,404,337 km (0.086 R)
• M11: 2,548,699 km (0.105 R)
• M12: 2,698,746 km (0.116 R)
• M13: 2,993,304 km (0.081 R)
• M14: 3,184,939 km (0.099 R)
• M15: 4,209,086 km (0.108 R)
• M16: 4,358,384 km (0.096 R)
• M17: 7,385,348 km (0.088 R)
• M18: 7,824,717 km (0.055 R)
• M19: 8,234,764 km (0.092 R)
• M20: 8,901,073 km (0.098 R)
• M21: 11,342,660 km (0.086 R)
• M22: 11,457,851 km (0.1 R)
• M23: 12,778,052 km (0.068 R)
• M24: 16,663,258 km (0.113 R)
• M25: 20,320,477 km (0.115 R)
• M26: 21,268,030 km (0.093 R)
• M27: 22,244,605 km (0.065 R)
• M28: 29,712,381 km (0.085 R)
• M29: 33,468,784 km (0.079 R)
• M30: 33,706,046 km (0.073 R)
• M31: 33,944,505 km (0.117 R)
• M32: 35,398,895 km (0.104 R)
• M33: 41,086,606 km (0.115 R)
• M34: 41,222,441 km (0.111 R)
• M35: 43,861,796 km (0.107 R)
• M36: 45,295,243 km (0.079 R)
• M37: 46,169,942 km (0.061 R)
• M38: 48,861,956 km (0.097 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 20,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit