🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.63 AU - 0.65 AU

Year: 326 Days

Day: 14.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 11.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.95 AU - 1.15 AU

Year: 684 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 91,461,835 km

• M1: 143,016 km (0.099 R)
• M2: 1,635,404 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 12.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.86 AU - 1.3 AU

Year: 714 Days

Day: 11.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,461,835 km

• M1: 157,078 km (0.072 R)
• M2: 547,379 km (0.032 R)
• M3: 987,795 km (0.078 R)
• M4: 1,380,190 km (0.105 R)
• M5: 1,820,606 km (0.093 R)
• M6: 2,784,465 km (0.065 R)
• M7: 3,540,383 km (0.106 R)
• M8: 4,062,779 km (0.107 R)
• M9: 4,507,982 km (0.097 R)
• M10: 5,019,906 km (0.09 R)
• M11: 6,043,455 km (0.09 R)
• M12: 6,584,401 km (0.104 R)
• M13: 7,005,967 km (0.077 R)
• M14: 7,490,365 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.3

Radius: 11.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.15 AU - 1.61 AU

Year: 1031 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,461,835 km

• M1: 144,212 km (0.104 R)
• M2: 542,741 km (0.084 R)
• M3: 975,378 km (0.084 R)
• M4: 1,383,780 km (0.118 R)
• M5: 1,879,248 km (0.037 R)
• M6: 2,526,858 km (0.1 R)
• M7: 3,492,213 km (0.112 R)
• M8: 4,035,403 km (0.097 R)
• M9: 6,271,592 km (0.089 R)
• M10: 6,723,676 km (0.114 R)
• M11: 7,100,962 km (0.081 R)
• M12: 8,561,486 km (0.112 R)
• M13: 9,147,311 km (0.053 R)
• M14: 10,618,457 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 10.8

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.7 AU - 1.8 AU

Year: 1472 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,461,835 km

• M1: 134,488 km (0.032 R)
• M2: 638,633 km (0.101 R)
• M3: 1,321,548 km (0.108 R)
• M4: 2,010,296 km (0.062 R)
• M5: 3,401,856 km (0.111 R)
• M6: 3,967,186 km (0.099 R)
• M7: 4,984,601 km (0.109 R)
• M8: 5,692,199 km (0.1 R)
• M9: 7,501,136 km (0.099 R)
• M10: 7,841,172 km (0.096 R)
• M11: 8,767,482 km (0.059 R)
• M12: 9,632,308 km (0.057 R)
• M13: 10,343,496 km (0.092 R)
• M14: 11,870,741 km (0.094 R)
• M15: 12,728,236 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 10.5

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.14 AU - 6.5 AU

Year: 8927 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,461,835 km

• M1: 130,599 km (0.068 R)
• M2: 947,254 km (0.118 R)
• M3: 1,634,357 km (0.093 R)
• M4: 1,988,455 km (0.118 R)
• M5: 3,797,991 km (0.034 R)
• M6: 5,930,658 km (0.103 R)
• M7: 6,475,194 km (0.068 R)
• M8: 7,664,497 km (0.117 R)
• M9: 8,004,982 km (0.093 R)
• M10: 8,762,246 km (0.116 R)
• M11: 9,229,590 km (0.101 R)
• M12: 9,615,254 km (0.076 R)
• M13: 10,627,134 km (0.087 R)
• M14: 11,104,949 km (0.071 R)
• M15: 12,275,852 km (0.091 R)
• M16: 12,683,955 km (0.073 R)
• M17: 14,600,902 km (0.03 R)
• M18: 16,491,968 km (0.069 R)
• M19: 18,013,678 km (0.107 R)
• M20: 18,924,131 km (0.029 R)
• M21: 21,334,152 km (0.097 R)
• M22: 22,009,886 km (0.038 R)
• M23: 23,315,427 km (0.074 R)
• M24: 31,594,621 km (0.12 R)
• M25: 32,362,059 km (0.051 R)
• M26: 33,366,907 km (0.074 R)
• M27: 37,351,148 km (0.117 R)
• M28: 39,837,315 km (0.097 R)
• M29: 40,991,313 km (0.11 R)
• M30: 42,830,319 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.1

Radius: 4.1

Gravity: 26.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.86 AU - 6.94 AU

Year: 10294 Days

Day: 21.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,461,835 km

• M1: 51,162 km (0.087 R)
• M2: 330,910 km (0.104 R)
• M3: 625,917 km (0.099 R)
• M4: 879,935 km (0.078 R)
• M5: 1,046,587 km (0.07 R)
• M6: 1,281,605 km (0.113 R)
• M7: 1,470,248 km (0.11 R)
• M8: 1,648,569 km (0.066 R)
• M9: 2,607,491 km (0.084 R)
• M10: 2,746,467 km (0.029 R)
• M11: 2,890,530 km (0.091 R)
• M12: 3,039,530 km (0.105 R)
• M13: 3,494,008 km (0.074 R)
• M14: 3,812,651 km (0.033 R)
• M15: 5,190,298 km (0.101 R)
• M16: 6,464,423 km (0.113 R)
• M17: 7,487,224 km (0.108 R)
• M18: 7,728,376 km (0.077 R)
• M19: 8,057,940 km (0.093 R)
• M20: 8,396,779 km (0.11 R)
• M21: 9,057,702 km (0.106 R)
• M22: 9,377,692 km (0.078 R)
• M23: 10,186,269 km (0.104 R)
• M24: 10,988,712 km (0.046 R)
• M25: 11,886,448 km (0.076 R)
• M26: 13,707,354 km (0.039 R)
• M27: 15,446,130 km (0.109 R)
• M28: 16,368,251 km (0.105 R)
• M29: 17,326,425 km (0.071 R)
• M30: 17,890,559 km (0.117 R)
• M31: 22,022,003 km (0.039 R)
• M32: 23,614,772 km (0.07 R)
• M33: 26,191,296 km (0.099 R)
• M34: 36,965,634 km (0.048 R)
• M35: 37,781,690 km (0.106 R)
• M36: 39,088,128 km (0.089 R)
• M37: 42,042,387 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708

Radius: 7.9

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.46 AU - 8.18 AU

Year: 13904 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,461,835 km

• M1: 101,577 km (0.105 R)
• M2: 359,334 km (0.117 R)
• M3: 697,276 km (0.108 R)
• M4: 1,284,597 km (0.082 R)
• M5: 1,693,298 km (0.079 R)
• M6: 2,018,374 km (0.115 R)
• M7: 2,488,261 km (0.076 R)
• M8: 3,812,951 km (0.109 R)
• M9: 4,161,962 km (0.073 R)
• M10: 7,146,141 km (0.092 R)
• M11: 8,770,474 km (0.054 R)
• M12: 10,181,332 km (0.055 R)
• M13: 10,683,532 km (0.108 R)
• M14: 11,497,344 km (0.078 R)
• M15: 12,042,030 km (0.119 R)
• M16: 15,604,554 km (0.11 R)
• M17: 15,898,963 km (0.088 R)
• M18: 16,727,735 km (0.056 R)
• M19: 22,408,714 km (0.079 R)
• M20: 23,836,476 km (0.107 R)
• M21: 24,622,164 km (0.104 R)
• M22: 26,871,966 km (0.113 R)
• M23: 33,575,597 km (0.099 R)
• M24: 35,695,997 km (0.107 R)
• M25: 36,079,117 km (0.116 R)
• M26: 37,507,777 km (0.11 R)
• M27: 44,774,942 km (0.11 R)
• M28: 47,648,418 km (0.108 R)
• M29: 49,366,849 km (0.118 R)
• M30: 50,803,437 km (0.069 R)
• M31: 51,126,419 km (0.096 R)
• M32: 51,450,747 km (0.115 R)
• M33: 53,759,491 km (0.091 R)
• M34: 54,431,634 km (0.068 R)
• M35: 56,828,491 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909

Radius: 4.9

Gravity: 37.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.96 AU - 12.84 AU

Year: 22881 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,461,835 km

• M1: 61,335 km (0.099 R)
• M2: 230,979 km (0.1 R)
• M3: 576,401 km (0.118 R)
• M4: 944,262 km (0.056 R)
• M5: 1,308,682 km (0.042 R)
• M6: 1,594,414 km (0.076 R)
• M7: 2,199,089 km (0.113 R)
• M8: 2,553,486 km (0.067 R)
• M9: 3,112,533 km (0.087 R)
• M10: 3,559,083 km (0.118 R)
• M11: 4,325,323 km (0.118 R)
• M12: 4,542,091 km (0.11 R)
• M13: 5,566,537 km (0.085 R)
• M14: 7,126,992 km (0.116 R)
• M15: 8,334,397 km (0.097 R)
• M16: 12,838,639 km (0.087 R)
• M17: 15,517,937 km (0.027 R)
• M18: 15,686,234 km (0.072 R)
• M19: 17,527,934 km (0.101 R)
• M20: 21,844,281 km (0.048 R)
• M21: 23,463,977 km (0.106 R)
• M22: 24,133,577 km (0.071 R)
• M23: 24,359,620 km (0.057 R)
• M24: 25,745,644 km (0.046 R)
• M25: 28,421,651 km (0.086 R)
• M26: 32,912,728 km (0.082 R)
• M27: 35,180,931 km (0.066 R)
• M28: 36,799,281 km (0.05 R)
• M29: 38,775,170 km (0.059 R)
• M30: 49,540,232 km (0.083 R)
• M31: 54,622,521 km (0.09 R)
• M32: 55,207,748 km (0.115 R)
• M33: 57,188,872 km (0.114 R)
• M34: 79,419,864 km (0.057 R)
• M35: 80,422,170 km (0.051 R)
• M36: 81,179,584 km (0.116 R)
• M37: 83,738,306 km (0.108 R)
• M38: 85,299,060 km (0.086 R)
• M39: 89,016,119 km (0.034 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 18,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit