🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.5

Radius: 12.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 433 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,313,716 km

• M1: 155,582 km (0.107 R)
• M2: 575,653 km (0.06 R)
• M3: 986,598 km (0.096 R)
• M4: 1,445,415 km (0.112 R)
• M5: 1,835,117 km (0.055 R)
• M6: 2,340,907 km (0.102 R)
• M7: 3,327,655 km (0.095 R)
• M8: 3,877,577 km (0.059 R)
• M9: 4,473,575 km (0.078 R)
• M10: 4,975,326 km (0.108 R)
• M11: 5,747,700 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.99 AU - 4.07 AU

Year: 5395 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,313,716 km

• M1: 107,112 km (0.092 R)
• M2: 382,971 km (0.064 R)
• M3: 708,196 km (0.083 R)
• M4: 1,029,981 km (0.056 R)
• M5: 1,539,960 km (0.109 R)
• M6: 2,808,102 km (0.1 R)
• M7: 3,136,319 km (0.1 R)
• M8: 3,655,723 km (0.106 R)
• M9: 4,025,529 km (0.089 R)
• M10: 4,444,254 km (0.029 R)
• M11: 4,739,261 km (0.107 R)
• M12: 5,341,691 km (0.072 R)
• M13: 6,891,226 km (0.062 R)
• M14: 9,183,963 km (0.064 R)
• M15: 9,542,848 km (0.092 R)
• M16: 9,910,859 km (0.08 R)
• M17: 10,675,603 km (0.054 R)
• M18: 11,524,870 km (0.097 R)
• M19: 13,510,034 km (0.106 R)
• M20: 14,396,401 km (0.04 R)
• M21: 14,664,331 km (0.119 R)
• M22: 16,988,633 km (0.116 R)
• M23: 19,352,579 km (0.096 R)
• M24: 20,276,196 km (0.112 R)
• M25: 21,298,099 km (0.119 R)
• M26: 27,417,101 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79

Radius: 8.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.09 AU - 6.01 AU

Year: 7568 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,313,716 km

• M1: 104,719 km (0.088 R)
• M2: 560,094 km (0.092 R)
• M3: 868,565 km (0.102 R)
• M4: 1,562,999 km (0.064 R)
• M5: 2,542,416 km (0.083 R)
• M6: 3,006,169 km (0.111 R)
• M7: 10,270,343 km (0.117 R)
• M8: 10,575,223 km (0.088 R)
• M9: 12,276,749 km (0.12 R)
• M10: 13,966,756 km (0.034 R)
• M11: 15,159,650 km (0.047 R)
• M12: 16,110,793 km (0.051 R)
• M13: 16,574,995 km (0.084 R)
• M14: 18,409,514 km (0.065 R)
• M15: 19,317,872 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 14.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.05 AU - 5.11 AU

Year: 7635 Days

Day: 7.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,313,716 km

• M1: 185,352 km (0.085 R)
• M2: 771,626 km (0.104 R)
• M3: 2,055,774 km (0.05 R)
• M4: 2,738,239 km (0.03 R)
• M5: 5,763,707 km (0.107 R)
• M6: 9,119,037 km (0.068 R)
• M7: 11,808,358 km (0.085 R)
• M8: 13,955,686 km (0.099 R)
• M9: 20,347,854 km (0.101 R)
• M10: 22,921,685 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 10.2

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.35 AU - 5.97 AU

Year: 7816 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,313,716 km

• M1: 128,505 km (0.057 R)
• M2: 1,174,942 km (0.111 R)
• M3: 1,526,945 km (0.087 R)
• M4: 1,889,272 km (0.099 R)
• M5: 2,379,504 km (0.103 R)
• M6: 3,207,229 km (0.057 R)
• M7: 4,708,593 km (0.117 R)
• M8: 5,147,962 km (0.107 R)
• M9: 5,941,130 km (0.084 R)
• M10: 6,454,849 km (0.098 R)
• M11: 7,689,630 km (0.072 R)
• M12: 8,682,212 km (0.099 R)
• M13: 11,797,737 km (0.118 R)
• M14: 16,238,101 km (0.076 R)
• M15: 17,039,197 km (0.106 R)
• M16: 17,796,312 km (0.096 R)
• M17: 19,451,762 km (0.091 R)
• M18: 20,972,724 km (0.09 R)
• M19: 27,013,785 km (0.076 R)
• M20: 28,328,152 km (0.093 R)
• M21: 28,807,763 km (0.095 R)
• M22: 33,798,647 km (0.087 R)
• M23: 37,812,956 km (0.105 R)
• M24: 39,456,289 km (0.049 R)
• M25: 39,934,553 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.2

Radius: 5.2

Gravity: 36.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.57 AU - 8.75 AU

Year: 14138 Days

Day: 22.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,313,716 km

• M1: 67,618 km (0.06 R)
• M2: 248,332 km (0.095 R)
• M3: 431,291 km (0.108 R)
• M4: 886,218 km (0.101 R)
• M5: 1,411,157 km (0.091 R)
• M6: 2,083,001 km (0.119 R)
• M7: 2,264,613 km (0.095 R)
• M8: 3,364,007 km (0.094 R)
• M9: 3,558,036 km (0.051 R)
• M10: 3,999,200 km (0.078 R)
• M11: 5,580,001 km (0.117 R)
• M12: 6,012,189 km (0.061 R)
• M13: 7,122,055 km (0.085 R)
• M14: 8,162,509 km (0.055 R)
• M15: 8,616,089 km (0.119 R)
• M16: 9,354,654 km (0.053 R)
• M17: 10,134,657 km (0.073 R)
• M18: 12,934,980 km (0.11 R)
• M19: 13,901,532 km (0.119 R)
• M20: 17,581,191 km (0.025 R)
• M21: 19,554,237 km (0.106 R)
• M22: 20,824,921 km (0.106 R)
• M23: 21,197,869 km (0.114 R)
• M24: 23,030,443 km (0.094 R)
• M25: 25,070,658 km (0.098 R)
• M26: 26,134,598 km (0.062 R)
• M27: 27,898,956 km (0.115 R)
• M28: 30,214,132 km (0.116 R)
• M29: 36,962,343 km (0.105 R)
• M30: 37,508,973 km (0.116 R)
• M31: 46,209,585 km (0.109 R)
• M32: 51,617,100 km (0.116 R)
• M33: 53,161,997 km (0.067 R)
• M34: 53,335,381 km (0.11 R)
• M35: 54,208,733 km (0.071 R)
• M36: 56,523,760 km (0.066 R)
• M37: 60,401,337 km (0.111 R)
• M38: 62,888,551 km (0.098 R)
• M39: 63,471,983 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.7

Radius: 3.7

Gravity: 41.91 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.51 AU - 9.55 AU

Year: 15174 Days

Day: 24.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,313,716 km

• M1: 51,761 km (0.104 R)
• M2: 183,108 km (0.111 R)
• M3: 734,226 km (0.042 R)
• M4: 1,093,860 km (0.075 R)
• M5: 1,299,407 km (0.103 R)
• M6: 1,426,117 km (0.087 R)
• M7: 1,545,645 km (0.065 R)
• M8: 1,737,430 km (0.084 R)
• M9: 2,227,662 km (0.054 R)
• M10: 3,164,743 km (0.117 R)
• M11: 3,317,333 km (0.077 R)
• M12: 3,832,847 km (0.033 R)
• M13: 5,442,371 km (0.054 R)
• M14: 7,632,932 km (0.05 R)
• M15: 8,000,793 km (0.116 R)
• M16: 8,871,303 km (0.056 R)
• M17: 9,175,137 km (0.099 R)
• M18: 10,237,581 km (0.116 R)
• M19: 11,738,197 km (0.112 R)
• M20: 12,104,113 km (0.11 R)
• M21: 12,730,928 km (0.109 R)
• M22: 12,858,835 km (0.108 R)
• M23: 13,980,968 km (0.08 R)
• M24: 14,881,996 km (0.085 R)
• M25: 16,342,670 km (0.118 R)
• M26: 20,406,945 km (0.089 R)
• M27: 21,564,234 km (0.08 R)
• M28: 21,837,250 km (0.11 R)
• M29: 26,010,133 km (0.102 R)
• M30: 26,840,850 km (0.089 R)
• M31: 30,684,169 km (0.089 R)
• M32: 37,569,860 km (0.109 R)
• M33: 38,097,791 km (0.037 R)
• M34: 39,303,549 km (0.103 R)
• M35: 41,229,323 km (0.06 R)
• M36: 43,073,117 km (0.067 R)
• M37: 43,942,430 km (0.115 R)
• M38: 48,153,610 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 4.1

Gravity: 58.96 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.58 AU - 10.54 AU

Year: 16701 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,313,716 km

• M1: 51,761 km (0.114 R)
• M2: 255,812 km (0.114 R)
• M3: 541,694 km (0.069 R)
• M4: 747,241 km (0.042 R)
• M5: 1,145,321 km (0.083 R)
• M6: 1,835,117 km (0.066 R)
• M7: 2,130,722 km (0.077 R)
• M8: 8,070,356 km (0.091 R)
• M9: 9,300,649 km (0.086 R)
• M10: 10,167,270 km (0.113 R)
• M11: 12,396,278 km (0.105 R)
• M12: 12,532,711 km (0.115 R)
• M13: 15,085,150 km (0.06 R)
• M14: 15,713,760 km (0.116 R)
• M15: 15,953,865 km (0.098 R)
• M16: 17,361,132 km (0.055 R)
• M17: 19,120,253 km (0.068 R)
• M18: 20,325,264 km (0.114 R)
• M19: 20,515,104 km (0.07 R)
• M20: 21,188,594 km (0.067 R)
• M21: 22,478,277 km (0.117 R)
• M22: 22,987,957 km (0.095 R)
• M23: 23,819,422 km (0.089 R)
• M24: 24,242,634 km (0.063 R)
• M25: 25,213,076 km (0.108 R)
• M26: 26,773,681 km (0.094 R)
• M27: 27,926,931 km (0.117 R)
• M28: 39,834,173 km (0.078 R)
• M29: 41,639,969 km (0.092 R)
• M30: 49,409,334 km (0.05 R)
• M31: 49,924,699 km (0.109 R)
• M32: 53,092,135 km (0.107 R)
• M33: 55,276,712 km (0.107 R)
• M34: 58,281,535 km (0.116 R)
• M35: 60,018,666 km (0.109 R)
• M36: 60,801,661 km (0.104 R)
• M37: 64,819,261 km (0.1 R)
• M38: 66,683,400 km (0.073 R)
• M39: 68,583,144 km (0.076 R)
• M40: 71,609,359 km (0.113 R)
• M41: 72,269,235 km (0.2 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit