🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 12.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.88 AU

Year: 391 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,162,654 km

• M1: 156,330 km (0.098 R)
• M2: 558,898 km (0.104 R)
• M3: 1,072,018 km (0.084 R)
• M4: 1,835,865 km (0.091 R)
• M5: 2,336,270 km (0.086 R)
• M6: 3,393,777 km (0.111 R)
• M7: 3,802,329 km (0.092 R)
• M8: 4,320,835 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 12.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.36 AU - 2.88 AU

Year: 2828 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,162,654 km

• M1: 153,039 km (0.054 R)
• M2: 582,235 km (0.07 R)
• M3: 1,247,197 km (0.036 R)
• M4: 1,718,580 km (0.08 R)
• M5: 2,211,505 km (0.028 R)
• M6: 3,325,112 km (0.058 R)
• M7: 3,881,616 km (0.057 R)
• M8: 4,740,607 km (0.101 R)
• M9: 5,768,793 km (0.107 R)
• M10: 6,249,152 km (0.073 R)
• M11: 6,756,289 km (0.113 R)
• M12: 8,086,214 km (0.056 R)
• M13: 11,443,938 km (0.096 R)
• M14: 12,243,838 km (0.096 R)
• M15: 12,717,315 km (0.066 R)
• M16: 13,244,199 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 11.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.64 AU - 3.38 AU

Year: 3482 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,162,654 km

• M1: 219,460 km (0.089 R)
• M2: 631,004 km (0.077 R)
• M3: 1,002,306 km (0.108 R)
• M4: 1,402,031 km (0.07 R)
• M5: 2,118,904 km (0.107 R)
• M6: 2,492,600 km (0.117 R)
• M7: 4,038,095 km (0.098 R)
• M8: 4,689,444 km (0.057 R)
• M9: 5,280,655 km (0.03 R)
• M10: 6,174,054 km (0.116 R)
• M11: 6,702,284 km (0.113 R)
• M12: 8,648,552 km (0.086 R)
• M13: 12,812,010 km (0.106 R)
• M14: 15,246,417 km (0.061 R)
• M15: 15,995,154 km (0.09 R)
• M16: 21,539,101 km (0.096 R)
• M17: 23,522,320 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 9.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.66 AU - 6.28 AU

Year: 8531 Days

Day: 5.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,162,654 km

• M1: 113,096 km (0.098 R)
• M2: 499,806 km (0.079 R)
• M3: 892,950 km (0.061 R)
• M4: 1,253,780 km (0.043 R)
• M5: 1,570,179 km (0.051 R)
• M6: 2,386,684 km (0.109 R)
• M7: 3,252,108 km (0.094 R)
• M8: 3,936,518 km (0.114 R)
• M9: 4,230,478 km (0.115 R)
• M10: 4,953,933 km (0.056 R)
• M11: 6,719,936 km (0.118 R)
• M12: 9,284,493 km (0.118 R)
• M13: 10,502,668 km (0.056 R)
• M14: 12,325,967 km (0.1 R)
• M15: 14,413,605 km (0.084 R)
• M16: 14,986,415 km (0.098 R)
• M17: 16,726,688 km (0.074 R)
• M18: 19,738,392 km (0.072 R)
• M19: 21,086,717 km (0.086 R)
• M20: 22,242,511 km (0.085 R)
• M21: 22,835,965 km (0.092 R)
• M22: 23,353,125 km (0.098 R)
• M23: 24,590,000 km (0.108 R)
• M24: 26,431,849 km (0.08 R)
• M25: 27,001,967 km (0.081 R)
• M26: 28,462,940 km (0.044 R)
• M27: 30,078,746 km (0.066 R)
• M28: 35,636,457 km (0.064 R)
• M29: 37,036,992 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421

Radius: 6.3

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.19 AU - 6.89 AU

Year: 9899 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,162,654 km

• M1: 78,389 km (0.116 R)
• M2: 291,117 km (0.089 R)
• M3: 496,964 km (0.051 R)
• M4: 717,172 km (0.096 R)
• M5: 1,517,072 km (0.111 R)
• M6: 2,243,070 km (0.107 R)
• M7: 2,511,898 km (0.038 R)
• M8: 3,759,843 km (0.055 R)
• M9: 4,036,450 km (0.048 R)
• M10: 5,098,146 km (0.05 R)
• M11: 6,873,424 km (0.092 R)
• M12: 7,365,002 km (0.065 R)
• M13: 7,639,066 km (0.093 R)
• M14: 7,879,619 km (0.117 R)
• M15: 12,120,569 km (0.079 R)
• M16: 15,473,805 km (0.094 R)
• M17: 20,072,743 km (0.076 R)
• M18: 22,109,967 km (0.111 R)
• M19: 31,949,318 km (0.077 R)
• M20: 34,716,131 km (0.098 R)
• M21: 36,045,308 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 6.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.54 AU - 8.42 AU

Year: 12297 Days

Day: 15.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,162,654 km

• M1: 81,680 km (0.083 R)
• M2: 640,578 km (0.099 R)
• M3: 847,771 km (0.12 R)
• M4: 1,349,822 km (0.088 R)
• M5: 1,587,832 km (0.098 R)
• M6: 2,332,680 km (0.082 R)
• M7: 2,678,101 km (0.052 R)
• M8: 2,945,283 km (0.078 R)
• M9: 4,608,662 km (0.096 R)
• M10: 6,496,288 km (0.077 R)
• M11: 8,539,944 km (0.086 R)
• M12: 10,666,328 km (0.062 R)
• M13: 11,385,744 km (0.087 R)
• M14: 12,771,469 km (0.119 R)
• M15: 13,947,757 km (0.084 R)
• M16: 15,306,405 km (0.042 R)
• M17: 16,870,301 km (0.083 R)
• M18: 19,708,622 km (0.113 R)
• M19: 23,441,388 km (0.082 R)
• M20: 27,123,590 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.1

Radius: 5.1

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.09 AU - 9.27 AU

Year: 15601 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,162,654 km

• M1: 63,579 km (0.119 R)
• M2: 232,176 km (0.114 R)
• M3: 395,836 km (0.107 R)
• M4: 649,255 km (0.095 R)
• M5: 951,742 km (0.056 R)
• M6: 1,289,384 km (0.028 R)
• M7: 2,162,587 km (0.059 R)
• M8: 2,359,906 km (0.106 R)
• M9: 2,547,652 km (0.095 R)
• M10: 3,641,362 km (0.106 R)
• M11: 4,684,957 km (0.117 R)
• M12: 5,050,574 km (0.051 R)
• M13: 5,914,053 km (0.1 R)
• M14: 9,396,990 km (0.087 R)
• M15: 10,415,303 km (0.072 R)
• M16: 11,925,194 km (0.069 R)
• M17: 12,293,355 km (0.098 R)
• M18: 12,605,865 km (0.082 R)
• M19: 12,859,583 km (0.102 R)
• M20: 13,774,822 km (0.109 R)
• M21: 18,192,148 km (0.106 R)
• M22: 18,516,327 km (0.111 R)
• M23: 19,176,353 km (0.063 R)
• M24: 20,282,031 km (0.066 R)
• M25: 24,733,016 km (0.073 R)
• M26: 25,837,497 km (0.117 R)
• M27: 30,130,956 km (0.047 R)
• M28: 40,508,261 km (0.03 R)
• M29: 42,464,852 km (0.109 R)
• M30: 44,191,361 km (0.096 R)
• M31: 48,091,676 km (0.114 R)
• M32: 48,556,028 km (0.078 R)
• M33: 52,541,914 km (0.061 R)
• M34: 52,869,982 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557

Radius: 3.5

Gravity: 45.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.44 AU - 11.08 AU

Year: 23537 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,162,654 km

• M1: 43,683 km (0.061 R)
• M2: 166,951 km (0.065 R)
• M3: 392,545 km (0.032 R)
• M4: 504,893 km (0.079 R)
• M5: 786,735 km (0.068 R)
• M6: 1,006,195 km (0.117 R)
• M7: 1,294,620 km (0.112 R)
• M8: 1,894,358 km (0.105 R)
• M9: 2,266,408 km (0.116 R)
• M10: 2,709,666 km (0.114 R)
• M11: 3,125,848 km (0.106 R)
• M12: 3,435,814 km (0.043 R)
• M13: 5,260,609 km (0.083 R)
• M14: 5,698,482 km (0.054 R)
• M15: 6,160,141 km (0.087 R)
• M16: 7,545,567 km (0.061 R)
• M17: 7,794,947 km (0.111 R)
• M18: 9,408,958 km (0.117 R)
• M19: 13,063,933 km (0.101 R)
• M20: 13,206,949 km (0.064 R)
• M21: 14,695,896 km (0.084 R)
• M22: 17,304,734 km (0.091 R)
• M23: 19,359,760 km (0.12 R)
• M24: 21,571,714 km (0.032 R)
• M25: 22,276,918 km (0.073 R)
• M26: 22,789,889 km (0.042 R)
• M27: 35,049,884 km (0.048 R)
• M28: 41,470,774 km (0.083 R)
• M29: 41,779,993 km (0.087 R)
• M30: 44,631,926 km (0.12 R)
• M31: 48,290,342 km (0.096 R)
• M32: 50,896,188 km (0.051 R)
• M33: 59,862,186 km (0.06 R)
• M34: 67,878,239 km (0.099 R)
• M35: 68,523,005 km (0.062 R)
• M36: 69,824,507 km (0.075 R)
• M37: 70,701,300 km (0.109 R)
• M38: 73,375,811 km (0.102 R)
• M39: 77,278,969 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit