🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.39 AU - 0.65 AU

Year: 242 Days

Day: 42.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,891,714 km

• M1: 190,887 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 8.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 9.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,891,714 km

• M1: 133,292 km (0.112 R)
• M2: 204,351 km (0.103 R)
• M3: 271,221 km (0.079 R)
• M4: 343,626 km (0.035 R)
• M5: 421,567 km (0.117 R)
• M6: 534,364 km (0.045 R)
• M7: 611,406 km (0.088 R)
• M8: 671,844 km (0.116 R)
• M9: 959,072 km (0.102 R)
• M10: 1,034,768 km (0.03 R)
• M11: 1,137,542 km (0.085 R)
• M12: 1,265,598 km (0.055 R)
• M13: 1,340,397 km (0.052 R)
• M14: 1,512,883 km (0.085 R)
• M15: 1,664,127 km (0.039 R)
• M16: 1,785,600 km (0.086 R)
• M17: 1,885,083 km (0.085 R)
• M18: 2,221,080 km (0.094 R)
• M19: 2,398,951 km (0.093 R)
• M20: 2,453,854 km (0.102 R)
• M21: 2,751,703 km (0.072 R)
• M22: 2,814,983 km (0.108 R)
• M23: 3,156,814 km (0.084 R)
• M24: 3,247,321 km (0.104 R)
• M25: 3,338,725 km (0.1 R)
• M26: 3,480,694 km (0.067 R)
• M27: 3,568,059 km (0.059 R)
• M28: 3,764,182 km (0.05 R)
• M29: 3,950,880 km (0.036 R)
• M30: 4,074,896 km (0.083 R)
• M31: 4,173,631 km (0.097 R)
• M32: 4,340,133 km (0.072 R)
• M33: 4,427,648 km (0.119 R)
• M34: 4,529,225 km (0.091 R)
• M35: 4,590,560 km (0.089 R)
• M36: 4,679,721 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.2

Radius: 12.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.76 AU - 0.82 AU

Year: 453 Days

Day: 6.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,891,714 km

• M1: 185,352 km (0.084 R)
• M2: 266,883 km (0.118 R)
• M3: 379,530 km (0.114 R)
• M4: 468,989 km (0.064 R)
• M5: 551,418 km (0.116 R)
• M6: 643,121 km (0.082 R)
• M7: 763,099 km (0.062 R)
• M8: 905,366 km (0.079 R)
• M9: 999,613 km (0.109 R)
• M10: 1,225,955 km (0.109 R)
• M11: 1,331,720 km (0.086 R)
• M12: 1,420,432 km (0.053 R)
• M13: 1,536,221 km (0.117 R)
• M14: 1,659,788 km (0.114 R)
• M15: 1,773,483 km (0.096 R)
• M16: 1,903,483 km (0.084 R)
• M17: 2,009,099 km (0.03 R)
• M18: 2,121,298 km (0.057 R)
• M19: 2,211,805 km (0.12 R)
• M20: 2,293,934 km (0.093 R)
• M21: 2,546,455 km (0.116 R)
• M22: 2,761,277 km (0.06 R)
• M23: 2,971,612 km (0.079 R)
• M24: 3,073,488 km (0.118 R)
• M25: 3,231,164 km (0.071 R)
• M26: 3,347,103 km (0.05 R)
• M27: 3,475,757 km (0.051 R)
• M28: 3,657,369 km (0.071 R)
• M29: 3,778,393 km (0.096 R)
• M30: 3,918,267 km (0.06 R)
• M31: 4,000,845 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 10.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.04 AU - 1.28 AU

Year: 807 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 62,891,714 km

• M1: 156,031 km (0.088 R)
• M2: 241,750 km (0.111 R)
• M3: 323,730 km (0.104 R)
• M4: 408,851 km (0.111 R)
• M5: 536,308 km (0.073 R)
• M6: 647,460 km (0.04 R)
• M7: 715,676 km (0.064 R)
• M8: 791,373 km (0.11 R)
• M9: 1,009,786 km (0.063 R)
• M10: 1,090,718 km (0.072 R)
• M11: 1,168,359 km (0.094 R)
• M12: 1,359,396 km (0.088 R)
• M13: 1,517,222 km (0.107 R)
• M14: 1,585,887 km (0.092 R)
• M15: 1,674,748 km (0.082 R)
• M16: 1,824,795 km (0.117 R)
• M17: 1,911,562 km (0.112 R)
• M18: 2,006,706 km (0.116 R)
• M19: 2,082,552 km (0.086 R)
• M20: 2,208,813 km (0.06 R)
• M21: 2,287,202 km (0.109 R)
• M22: 2,366,638 km (0.115 R)
• M23: 2,588,043 km (0.072 R)
• M24: 3,011,704 km (0.079 R)
• M25: 3,091,141 km (0.083 R)
• M26: 3,268,265 km (0.063 R)
• M27: 3,349,945 km (0.088 R)
• M28: 3,658,266 km (0.106 R)
• M29: 3,863,215 km (0.111 R)
• M30: 4,054,401 km (0.104 R)
• M31: 4,124,712 km (0.079 R)
• M32: 4,383,068 km (0.065 R)
• M33: 4,573,506 km (0.073 R)
• M34: 4,655,935 km (0.093 R)
• M35: 4,748,087 km (0.104 R)
• M36: 4,840,987 km (0.116 R)
• M37: 4,962,461 km (0.079 R)
• M38: 5,104,130 km (0.055 R)
• M39: 5,295,017 km (0.052 R)
• M40: 5,615,156 km (0.105 R)
• M41: 5,822,200 km (0.095 R)
• M42: 5,941,728 km (0.027 R)
• M43: 6,183,030 km (0.095 R)
• M44: 6,284,607 km (0.11 R)
• M45: 6,468,762 km (0.104 R)
• M46: 6,592,629 km (0.11 R)
• M47: 6,706,772 km (0.036 R)
• M48: 6,905,587 km (0.06 R)
• M49: 6,989,961 km (0.113 R)
• M50: 7,063,862 km (0.116 R)
• M51: 7,148,833 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.7

Radius: 14.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.26 AU - 1.36 AU

Year: 968 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,891,714 km

• M1: 188,793 km (0.112 R)
• M2: 352,453 km (0.084 R)
• M3: 445,203 km (0.101 R)
• M4: 601,234 km (0.073 R)
• M5: 689,646 km (0.09 R)
• M6: 817,403 km (0.056 R)
• M7: 972,536 km (0.074 R)
• M8: 1,085,333 km (0.081 R)
• M9: 1,178,083 km (0.105 R)
• M10: 1,446,611 km (0.104 R)
• M11: 1,627,774 km (0.113 R)
• M12: 1,869,525 km (0.059 R)
• M13: 1,989,053 km (0.118 R)
• M14: 2,167,075 km (0.075 R)
• M15: 2,331,333 km (0.113 R)
• M16: 2,440,988 km (0.033 R)
• M17: 2,532,692 km (0.111 R)
• M18: 2,672,566 km (0.119 R)
• M19: 2,967,124 km (0.034 R)
• M20: 3,121,958 km (0.051 R)
• M21: 3,535,895 km (0.106 R)
• M22: 3,692,973 km (0.099 R)
• M23: 3,860,074 km (0.065 R)
• M24: 4,014,160 km (0.101 R)
• M25: 4,107,658 km (0.111 R)
• M26: 4,521,296 km (0.12 R)
• M27: 4,626,763 km (0.117 R)
• M28: 4,848,617 km (0.098 R)
• M29: 4,990,136 km (0.108 R)
• M30: 5,099,343 km (0.112 R)
• M31: 5,251,783 km (0.113 R)
• M32: 5,388,665 km (0.069 R)
• M33: 5,492,187 km (0.072 R)
• M34: 5,894,904 km (0.036 R)
• M35: 6,081,901 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 9.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.64 AU - 1.88 AU

Year: 1508 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,891,714 km

• M1: 144,212 km (0.101 R)
• M2: 214,673 km (0.106 R)
• M3: 401,670 km (0.102 R)
• M4: 525,388 km (0.103 R)
• M5: 612,154 km (0.08 R)
• M6: 670,498 km (0.069 R)
• M7: 765,941 km (0.102 R)
• M8: 882,777 km (0.051 R)
• M9: 950,096 km (0.061 R)
• M10: 1,067,530 km (0.111 R)
• M11: 1,194,838 km (0.096 R)
• M12: 1,356,254 km (0.094 R)
• M13: 1,459,626 km (0.094 R)
• M14: 1,545,346 km (0.057 R)
• M15: 1,622,539 km (0.112 R)
• M16: 1,921,884 km (0.076 R)
• M17: 2,244,716 km (0.062 R)
• M18: 2,344,348 km (0.117 R)
• M19: 2,536,133 km (0.084 R)
• M20: 2,646,237 km (0.061 R)
• M21: 2,714,304 km (0.1 R)
• M22: 2,839,517 km (0.064 R)
• M23: 2,941,244 km (0.109 R)
• M24: 3,018,287 km (0.046 R)
• M25: 3,207,378 km (0.044 R)
• M26: 3,266,769 km (0.073 R)
• M27: 3,447,483 km (0.046 R)
• M28: 3,522,132 km (0.059 R)
• M29: 3,631,488 km (0.111 R)
• M30: 3,749,072 km (0.115 R)
• M31: 4,195,622 km (0.042 R)
• M32: 4,275,358 km (0.108 R)
• M33: 4,333,701 km (0.11 R)
• M34: 4,443,805 km (0.097 R)
• M35: 4,584,576 km (0.042 R)
• M36: 4,651,746 km (0.088 R)
• M37: 4,779,652 km (0.066 R)
• M38: 4,862,978 km (0.093 R)
• M39: 4,954,532 km (0.058 R)
• M40: 5,310,575 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 9.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.75 AU - 2.83 AU

Year: 2238 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 62,891,714 km

• M1: 134,937 km (0.099 R)
• M2: 224,546 km (0.108 R)
• M3: 360,232 km (0.116 R)
• M4: 430,692 km (0.057 R)
• M5: 518,207 km (0.091 R)
• M6: 650,003 km (0.097 R)
• M7: 760,107 km (0.109 R)
• M8: 835,055 km (0.094 R)
• M9: 992,881 km (0.068 R)
• M10: 1,060,499 km (0.094 R)
• M11: 1,168,808 km (0.086 R)
• M12: 1,256,772 km (0.025 R)
• M13: 1,371,962 km (0.097 R)
• M14: 1,657,844 km (0.114 R)
• M15: 1,766,601 km (0.034 R)
• M16: 1,962,724 km (0.092 R)
• M17: 2,356,166 km (0.082 R)
• M18: 2,458,491 km (0.096 R)
• M19: 2,720,736 km (0.104 R)
• M20: 2,795,835 km (0.105 R)
• M21: 3,193,017 km (0.047 R)
• M22: 3,272,304 km (0.105 R)
• M23: 3,352,339 km (0.112 R)
• M24: 3,491,016 km (0.098 R)
• M25: 3,596,333 km (0.073 R)
• M26: 3,726,483 km (0.081 R)
• M27: 3,930,834 km (0.087 R)
• M28: 4,052,756 km (0.059 R)
• M29: 4,138,775 km (0.103 R)
• M30: 4,325,323 km (0.108 R)
• M31: 4,400,721 km (0.105 R)
• M32: 4,501,998 km (0.107 R)
• M33: 4,604,024 km (0.082 R)
• M34: 4,668,202 km (0.051 R)
• M35: 4,771,424 km (0.049 R)
• M36: 5,072,714 km (0.099 R)
• M37: 5,339,746 km (0.108 R)
• M38: 5,407,215 km (0.058 R)
• M39: 5,474,983 km (0.069 R)
• M40: 5,584,040 km (0.106 R)
• M41: 5,832,073 km (0.093 R)
• M42: 6,583,204 km (0.064 R)
• M43: 6,801,318 km (0.104 R)
• M44: 7,439,951 km (0.025 R)
• M45: 8,472,924 km (0.102 R)
• M46: 8,631,049 km (0.113 R)
• M47: 8,885,964 km (0.07 R)
• M48: 8,949,992 km (0.117 R)
• M49: 9,030,326 km (0.059 R)
• M50: 9,583,240 km (0.052 R)
• M51: 9,797,613 km (0.11 R)
• M52: 10,063,598 km (0.091 R)
• M53: 10,147,224 km (0.109 R)
• M54: 10,214,243 km (0.102 R)
• M55: 10,416,201 km (0.053 R)
• M56: 10,841,358 km (0.093 R)
• M57: 10,910,023 km (0.097 R)
• M58: 11,254,996 km (0.059 R)
• M59: 11,324,409 km (0.089 R)
• M60: 11,481,188 km (0.036 R)
• M61: 11,551,050 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.2

Radius: 5.8

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.65 AU - 11.87 AU

Year: 19687 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 62,891,714 km

• M1: 87,964 km (0.113 R)
• M2: 165,306 km (0.099 R)
• M3: 236,664 km (0.056 R)
• M4: 382,372 km (0.066 R)
• M5: 1,065,436 km (0.11 R)
• M6: 1,336,657 km (0.071 R)
• M7: 1,440,627 km (0.034 R)
• M8: 1,825,094 km (0.097 R)
• M9: 1,940,733 km (0.061 R)
• M10: 2,618,412 km (0.114 R)
• M11: 3,257,643 km (0.091 R)
• M12: 3,327,655 km (0.083 R)
• M13: 3,794,849 km (0.066 R)
• M14: 4,282,538 km (0.091 R)
• M15: 6,074,422 km (0.095 R)
• M16: 6,204,123 km (0.074 R)
• M17: 6,291,039 km (0.104 R)
• M18: 6,776,634 km (0.096 R)
• M19: 8,545,030 km (0.113 R)
• M20: 8,690,290 km (0.038 R)
• M21: 8,739,059 km (0.049 R)
• M22: 8,787,678 km (0.085 R)
• M23: 9,230,488 km (0.1 R)
• M24: 9,933,448 km (0.08 R)
• M25: 10,239,974 km (0.12 R)
• M26: 10,653,612 km (0.088 R)
• M27: 11,284,167 km (0.101 R)
• M28: 11,550,452 km (0.098 R)
• M29: 11,980,845 km (0.098 R)
• M30: 13,641,231 km (0.119 R)
• M31: 15,137,360 km (0.066 R)
• M32: 15,313,287 km (0.051 R)
• M33: 15,372,079 km (0.033 R)
• M34: 17,293,364 km (0.094 R)
• M35: 18,095,209 km (0.111 R)
• M36: 19,035,431 km (0.099 R)
• M37: 19,352,429 km (0.077 R)
• M38: 19,671,073 km (0.045 R)
• M39: 20,378,222 km (0.113 R)
• M40: 20,572,550 km (0.104 R)
• M41: 20,702,401 km (0.049 R)
• M42: 20,767,476 km (0.111 R)
• M43: 21,290,320 km (0.118 R)
• M44: 22,082,590 km (0.049 R)
• M45: 22,616,206 km (0.069 R)
• M46: 23,492,251 km (0.112 R)
• M47: 24,585,662 km (0.068 R)
• M48: 25,000,048 km (0.089 R)
• M49: 25,207,989 km (0.118 R)
• M50: 25,277,552 km (0.099 R)
• M51: 25,625,816 km (0.112 R)
• M52: 25,905,564 km (0.077 R)
• M53: 26,327,131 km (0.108 R)
• M54: 28,976,509 km (0.061 R)
• M55: 32,386,593 km (0.061 R)
• M56: 33,908,302 km (0.082 R)
• M57: 33,985,046 km (0.087 R)
• M58: 34,215,427 km (0.112 R)
• M59: 37,892,841 km (0.057 R)
• M60: 38,371,255 km (0.06 R)
• M61: 39,092,616 km (0.065 R)
• M62: 39,899,248 km (0.072 R)
• M63: 40,304,808 km (0.082 R)
• M64: 40,467,271 km (0.078 R)
• M65: 42,187,198 km (0.113 R)
• M66: 42,269,776 km (0.105 R)
• M67: 42,765,842 km (0.061 R)
• M68: 43,180,827 km (0.108 R)
• M69: 43,847,435 km (0.073 R)
• M70: 47,488,348 km (0.083 R)
• M71: 47,574,217 km (0.116 R)
• M72: 48,090,180 km (0.085 R)
• M73: 50,260,097 km (0.064 R)
• M74: 51,489,194 km (0.077 R)
• M75: 53,172,918 km (0.032 R)
• M76: 53,976,857 km (0.073 R)
• M77: 54,514,960 km (0.077 R)
• M78: 56,321,654 km (0.065 R)
• M79: 58,239,648 km (0.057 R)
• M80: 60,179,035 km (0.075 R)
• M81: 62,327,260 km (0.103 R)
• M82: 62,703,349 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 14,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit