🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.45 AU - 0.67 AU

Year: 178 Days

Day: 15.3 Hours

Environment

Temp: 39 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,266,190 km

• M1: 22,140 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.54 AU - 0.58 AU

Year: 178 Days

Day: 25.5 Hours

Environment

Temp: 33 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,266,190 km

• M1: 31,715 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.95 AU - 1.25 AU

Year: 490 Days

Day: 20.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.97 AU - 1.29 AU

Year: 510 Days

Day: 24.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,266,190 km

• M1: 349,161 km (0.067 R)
• M2: 471,084 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 8.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.33 AU - 3.53 AU

Year: 2697 Days

Day: 11.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 60,266,190 km

• M1: 110,104 km (0.061 R)
• M2: 211,382 km (0.085 R)
• M3: 289,621 km (0.085 R)
• M4: 581,188 km (0.084 R)
• M5: 739,462 km (0.053 R)
• M6: 912,248 km (0.048 R)
• M7: 993,479 km (0.06 R)
• M8: 1,342,940 km (0.115 R)
• M9: 1,948,213 km (0.109 R)
• M10: 2,121,896 km (0.099 R)
• M11: 2,328,491 km (0.108 R)
• M12: 2,513,095 km (0.099 R)
• M13: 2,585,350 km (0.083 R)
• M14: 2,702,336 km (0.119 R)
• M15: 2,926,733 km (0.094 R)
• M16: 3,064,213 km (0.089 R)
• M17: 3,235,204 km (0.084 R)
• M18: 3,473,513 km (0.092 R)
• M19: 3,570,452 km (0.076 R)
• M20: 3,767,174 km (0.11 R)
• M21: 3,866,806 km (0.103 R)
• M22: 3,967,336 km (0.115 R)
• M23: 4,102,871 km (0.097 R)
• M24: 4,820,941 km (0.075 R)
• M25: 5,020,205 km (0.08 R)
• M26: 5,075,108 km (0.111 R)
• M27: 5,203,762 km (0.099 R)
• M28: 5,333,613 km (0.07 R)
• M29: 5,389,562 km (0.115 R)
• M30: 5,464,511 km (0.111 R)
• M31: 5,825,191 km (0.085 R)
• M32: 6,095,964 km (0.115 R)
• M33: 6,390,522 km (0.097 R)
• M34: 6,669,821 km (0.11 R)
• M35: 6,973,505 km (0.112 R)
• M36: 7,447,880 km (0.071 R)
• M37: 7,636,373 km (0.084 R)
• M38: 7,847,605 km (0.087 R)
• M39: 8,340,979 km (0.081 R)
• M40: 8,449,587 km (0.095 R)
• M41: 8,844,376 km (0.085 R)
• M42: 9,110,810 km (0.088 R)
• M43: 9,606,427 km (0.095 R)
• M44: 9,903,379 km (0.118 R)
• M45: 10,110,722 km (0.04 R)
• M46: 10,226,660 km (0.072 R)
• M47: 10,366,235 km (0.058 R)
• M48: 10,482,921 km (0.027 R)
• M49: 10,883,395 km (0.067 R)
• M50: 11,049,748 km (0.05 R)
• M51: 11,384,996 km (0.114 R)
• M52: 11,918,462 km (0.075 R)
• M53: 12,040,833 km (0.036 R)
• M54: 12,114,436 km (0.068 R)
• M55: 12,734,070 km (0.066 R)
• M56: 13,009,928 km (0.118 R)
• M57: 13,542,048 km (0.075 R)
• M58: 13,695,386 km (0.05 R)
• M59: 13,823,591 km (0.057 R)
• M60: 14,081,199 km (0.12 R)
• M61: 14,418,542 km (0.101 R)
• M62: 14,548,991 km (0.036 R)
• M63: 14,679,889 km (0.109 R)
• M64: 15,286,958 km (0.096 R)
• M65: 15,526,613 km (0.06 R)
• M66: 15,660,354 km (0.066 R)
• M67: 15,929,032 km (0.067 R)
• M68: 16,253,360 km (0.072 R)
• M69: 16,771,417 km (0.114 R)
• M70: 16,881,222 km (0.045 R)
• M71: 16,936,125 km (0.109 R)
• M72: 17,322,536 km (0.078 R)
• M73: 17,405,712 km (0.11 R)
• M74: 17,683,964 km (0.109 R)
• M75: 18,104,185 km (0.04 R)
• M76: 18,273,230 km (0.109 R)
• M77: 18,470,999 km (0.105 R)
• M78: 18,783,209 km (0.093 R)
• M79: 19,240,680 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 14.7

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.39 AU

Year: 2828 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,266,190 km

• M1: 204,500 km (0.08 R)
• M2: 653,593 km (0.105 R)
• M3: 782,846 km (0.096 R)
• M4: 893,398 km (0.063 R)
• M5: 1,101,340 km (0.087 R)
• M6: 1,473,838 km (0.109 R)
• M7: 1,657,096 km (0.042 R)
• M8: 1,804,450 km (0.071 R)
• M9: 2,021,067 km (0.029 R)
• M10: 2,119,503 km (0.046 R)
• M11: 2,253,393 km (0.032 R)
• M12: 2,487,663 km (0.118 R)
• M13: 2,759,183 km (0.102 R)
• M14: 2,898,608 km (0.062 R)
• M15: 3,131,532 km (0.094 R)
• M16: 3,323,765 km (0.118 R)
• M17: 3,567,909 km (0.051 R)
• M18: 3,744,734 km (0.069 R)
• M19: 4,023,884 km (0.12 R)
• M20: 4,490,180 km (0.074 R)
• M21: 4,690,342 km (0.07 R)
• M22: 4,884,670 km (0.044 R)
• M23: 6,039,116 km (0.06 R)
• M24: 6,212,201 km (0.062 R)
• M25: 6,731,455 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 9.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.06 AU - 4.26 AU

Year: 3603 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 60,266,190 km

• M1: 129,701 km (0.086 R)
• M2: 304,132 km (0.069 R)
• M3: 496,665 km (0.12 R)
• M4: 680,521 km (0.11 R)
• M5: 822,938 km (0.116 R)
• M6: 887,265 km (0.078 R)
• M7: 975,827 km (0.107 R)
• M8: 1,138,290 km (0.114 R)
• M9: 1,260,063 km (0.103 R)
• M10: 1,570,179 km (0.116 R)
• M11: 1,651,411 km (0.111 R)
• M12: 1,861,147 km (0.092 R)
• M13: 2,050,089 km (0.104 R)
• M14: 2,322,058 km (0.046 R)
• M15: 2,415,258 km (0.037 R)
• M16: 2,784,615 km (0.088 R)
• M17: 2,883,948 km (0.076 R)
• M18: 3,154,570 km (0.057 R)
• M19: 3,327,954 km (0.059 R)
• M20: 3,648,094 km (0.086 R)
• M21: 3,793,652 km (0.118 R)
• M22: 3,885,505 km (0.047 R)
• M23: 4,147,003 km (0.097 R)
• M24: 4,279,845 km (0.112 R)
• M25: 4,530,422 km (0.066 R)
• M26: 4,865,372 km (0.065 R)
• M27: 5,126,869 km (0.078 R)
• M28: 5,434,442 km (0.096 R)
• M29: 5,790,335 km (0.11 R)
• M30: 5,853,914 km (0.073 R)
• M31: 5,917,793 km (0.076 R)
• M32: 6,349,382 km (0.118 R)
• M33: 7,242,781 km (0.116 R)
• M34: 7,311,446 km (0.073 R)
• M35: 7,403,150 km (0.047 R)
• M36: 8,080,379 km (0.072 R)
• M37: 8,222,946 km (0.104 R)
• M38: 8,366,261 km (0.067 R)
• M39: 8,874,894 km (0.102 R)
• M40: 8,972,880 km (0.115 R)
• M41: 9,071,316 km (0.1 R)
• M42: 9,318,751 km (0.102 R)
• M43: 9,418,383 km (0.092 R)
• M44: 9,972,643 km (0.113 R)
• M45: 10,797,825 km (0.11 R)
• M46: 11,192,165 km (0.042 R)
• M47: 11,298,230 km (0.083 R)
• M48: 11,457,701 km (0.043 R)
• M49: 12,266,726 km (0.109 R)
• M50: 12,348,706 km (0.063 R)
• M51: 13,289,826 km (0.116 R)
• M52: 13,627,618 km (0.116 R)
• M53: 13,740,714 km (0.084 R)
• M54: 14,513,088 km (0.064 R)
• M55: 14,744,516 km (0.099 R)
• M56: 14,860,753 km (0.05 R)
• M57: 15,094,126 km (0.065 R)
• M58: 15,416,958 km (0.054 R)
• M59: 15,534,991 km (0.08 R)
• M60: 15,712,564 km (0.108 R)
• M61: 16,009,964 km (0.032 R)
• M62: 16,189,182 km (0.06 R)
• M63: 16,640,519 km (0.062 R)
• M64: 16,731,175 km (0.058 R)
• M65: 17,156,931 km (0.066 R)
• M66: 17,586,127 km (0.108 R)
• M67: 17,802,147 km (0.109 R)
• M68: 18,018,914 km (0.062 R)
• M69: 18,643,335 km (0.089 R)
• M70: 18,737,582 km (0.113 R)
• M71: 18,989,804 km (0.088 R)
• M72: 19,084,649 km (0.119 R)
• M73: 19,497,390 km (0.103 R)
• M74: 19,913,272 km (0.102 R)
• M75: 20,818,788 km (0.08 R)
• M76: 21,014,611 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.1

Radius: 7.5

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.51 AU - 13.91 AU

Year: 15936 Days

Day: 21.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 60,266,190 km

• M1: 192,981 km (0.117 R)
• M2: 250,876 km (0.109 R)
• M3: 421,716 km (0.086 R)
• M4: 487,240 km (0.099 R)
• M5: 667,655 km (0.115 R)
• M6: 725,998 km (0.111 R)
• M7: 786,286 km (0.106 R)
• M8: 848,370 km (0.052 R)
• M9: 1,690,905 km (0.11 R)
• M10: 1,745,059 km (0.072 R)
• M11: 2,258,629 km (0.109 R)
• M12: 3,279,185 km (0.067 R)
• M13: 3,624,008 km (0.058 R)
• M14: 3,694,469 km (0.098 R)
• M15: 3,872,341 km (0.098 R)
• M16: 4,126,208 km (0.088 R)
• M17: 4,842,483 km (0.089 R)
• M18: 5,596,905 km (0.112 R)
• M19: 5,678,436 km (0.11 R)
• M20: 6,050,187 km (0.112 R)
• M21: 6,218,035 km (0.049 R)
• M22: 6,515,286 km (0.06 R)
• M23: 7,168,132 km (0.092 R)
• M24: 7,887,249 km (0.075 R)
• M25: 8,535,307 km (0.11 R)
• M26: 8,913,191 km (0.05 R)
• M27: 9,248,440 km (0.097 R)
• M28: 9,980,721 km (0.091 R)
• M29: 10,378,801 km (0.112 R)
• M30: 11,088,045 km (0.059 R)
• M31: 11,708,277 km (0.12 R)
• M32: 11,865,206 km (0.113 R)
• M33: 12,820,837 km (0.096 R)
• M34: 16,706,342 km (0.038 R)
• M35: 16,824,076 km (0.108 R)
• M36: 18,561,206 km (0.092 R)
• M37: 19,234,995 km (0.082 R)
• M38: 19,605,848 km (0.053 R)
• M39: 20,669,489 km (0.114 R)
• M40: 21,112,897 km (0.105 R)
• M41: 21,431,541 km (0.057 R)
• M42: 22,138,091 km (0.073 R)
• M43: 22,332,120 km (0.089 R)
• M44: 22,656,747 km (0.091 R)
• M45: 23,640,054 km (0.048 R)
• M46: 24,838,333 km (0.047 R)
• M47: 27,016,927 km (0.104 R)
• M48: 27,155,155 km (0.028 R)
• M49: 27,989,163 km (0.066 R)
• M50: 28,129,037 km (0.037 R)
• M51: 28,479,695 km (0.116 R)
• M52: 29,753,670 km (0.108 R)
• M53: 30,469,646 km (0.095 R)
• M54: 31,772,344 km (0.088 R)
• M55: 31,918,202 km (0.087 R)
• M56: 31,991,205 km (0.098 R)
• M57: 33,611,799 km (0.052 R)
• M58: 34,957,432 km (0.073 R)
• M59: 35,334,269 km (0.1 R)
• M60: 36,931,974 km (0.085 R)
• M61: 37,855,442 km (0.072 R)
• M62: 39,411,409 km (0.042 R)
• M63: 40,829,597 km (0.108 R)
• M64: 42,988,145 km (0.109 R)
• M65: 43,472,842 km (0.04 R)
• M66: 43,553,774 km (0.071 R)
• M67: 44,121,947 km (0.101 R)
• M68: 45,265,473 km (0.119 R)
• M69: 45,758,548 km (0.091 R)
• M70: 47,999,374 km (0.086 R)
• M71: 48,166,774 km (0.103 R)
• M72: 48,418,248 km (0.114 R)
• M73: 50,956,924 km (0.118 R)
• M74: 51,127,615 km (0.077 R)
• M75: 53,018,832 km (0.077 R)
• M76: 53,885,901 km (0.115 R)
• M77: 54,845,272 km (0.107 R)
• M78: 58,023,928 km (0.111 R)
• M79: 58,202,248 km (0.054 R)
• M80: 58,291,409 km (0.069 R)
• M81: 59,276,062 km (0.084 R)
• M82: 59,635,546 km (0.055 R)
• M83: 60,266,250 km (0.034 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: 159 - 14,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit