🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 9.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 11.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,009,525 km

• M1: 116,986 km (0.099 R)
• M2: 442,361 km (0.119 R)
• M3: 756,367 km (0.074 R)
• M4: 1,058,106 km (0.068 R)
• M5: 1,422,975 km (0.104 R)
• M6: 1,734,438 km (0.108 R)
• M7: 2,053,979 km (0.064 R)
• M8: 2,512,795 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 12.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.85 AU - 2.03 AU

Year: 1833 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,009,525 km

• M1: 158,873 km (0.108 R)
• M2: 791,971 km (0.074 R)
• M3: 1,624,932 km (0.057 R)
• M4: 2,386,684 km (0.059 R)
• M5: 5,745,905 km (0.089 R)
• M6: 8,971,534 km (0.067 R)
• M7: 9,705,012 km (0.045 R)
• M8: 13,005,440 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 14.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.61 AU - 2.57 AU

Year: 2049 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,009,525 km

• M1: 176,675 km (0.092 R)
• M2: 801,396 km (0.093 R)
• M3: 1,921,734 km (0.111 R)
• M4: 2,781,473 km (0.115 R)
• M5: 3,995,759 km (0.117 R)
• M6: 4,640,825 km (0.107 R)
• M7: 5,175,039 km (0.108 R)
• M8: 6,867,290 km (0.062 R)
• M9: 7,363,955 km (0.118 R)
• M10: 8,124,062 km (0.059 R)
• M11: 9,130,856 km (0.071 R)
• M12: 9,904,725 km (0.107 R)
• M13: 10,576,569 km (0.046 R)
• M14: 12,776,406 km (0.046 R)
• M15: 15,220,087 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.2

Radius: 13.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.17 AU - 2.79 AU

Year: 2649 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,009,525 km

• M1: 166,652 km (0.052 R)
• M2: 766,091 km (0.071 R)
• M3: 1,254,378 km (0.116 R)
• M4: 1,834,967 km (0.028 R)
• M5: 2,263,865 km (0.115 R)
• M6: 2,698,446 km (0.066 R)
• M7: 3,897,324 km (0.074 R)
• M8: 5,202,416 km (0.058 R)
• M9: 6,352,524 km (0.108 R)
• M10: 9,080,740 km (0.054 R)
• M11: 9,775,622 km (0.111 R)
• M12: 10,271,240 km (0.109 R)
• M13: 10,783,463 km (0.108 R)
• M14: 11,859,670 km (0.062 R)
• M15: 13,985,007 km (0.091 R)
• M16: 17,438,175 km (0.07 R)
• M17: 18,512,587 km (0.103 R)
• M18: 19,570,842 km (0.089 R)
• M19: 20,237,002 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 8.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.47 AU - 4.03 AU

Year: 4925 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,009,525 km

• M1: 107,561 km (0.083 R)
• M2: 387,608 km (0.104 R)
• M3: 787,782 km (0.095 R)
• M4: 1,243,009 km (0.045 R)
• M5: 2,064,451 km (0.12 R)
• M6: 2,937,803 km (0.06 R)
• M7: 3,761,190 km (0.097 R)
• M8: 4,853,404 km (0.055 R)
• M9: 5,419,332 km (0.057 R)
• M10: 5,914,501 km (0.115 R)
• M11: 6,744,470 km (0.097 R)
• M12: 7,027,061 km (0.118 R)
• M13: 10,020,664 km (0.093 R)
• M14: 10,347,834 km (0.047 R)
• M15: 15,171,019 km (0.117 R)
• M16: 20,124,803 km (0.069 R)
• M17: 21,580,989 km (0.106 R)
• M18: 24,924,651 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.5

Radius: 11.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.98 AU - 4.06 AU

Year: 5467 Days

Day: 5.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 94 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,009,525 km

• M1: 138,976 km (0.119 R)
• M2: 486,193 km (0.109 R)
• M3: 1,120,937 km (0.047 R)
• M4: 1,588,131 km (0.118 R)
• M5: 2,214,048 km (0.12 R)
• M6: 2,724,177 km (0.094 R)
• M7: 3,331,844 km (0.089 R)
• M8: 4,561,239 km (0.083 R)
• M9: 5,168,307 km (0.036 R)
• M10: 6,226,263 km (0.082 R)
• M11: 7,076,129 km (0.04 R)
• M12: 7,744,831 km (0.108 R)
• M13: 8,846,320 km (0.053 R)
• M14: 9,580,696 km (0.104 R)
• M15: 10,179,537 km (0.079 R)
• M16: 12,374,437 km (0.052 R)
• M17: 13,397,985 km (0.076 R)
• M18: 14,311,430 km (0.109 R)
• M19: 15,151,572 km (0.094 R)
• M20: 16,322,474 km (0.109 R)
• M21: 17,115,343 km (0.114 R)
• M22: 24,408,837 km (0.099 R)
• M23: 25,933,838 km (0.113 R)
• M24: 26,428,259 km (0.093 R)
• M25: 29,887,111 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.1

Radius: 6.1

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.59 AU - 5.81 AU

Year: 9230 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,009,525 km

• M1: 75,846 km (0.119 R)
• M2: 427,252 km (0.103 R)
• M3: 661,522 km (0.112 R)
• M4: 864,676 km (0.086 R)
• M5: 1,155,344 km (0.071 R)
• M6: 1,428,211 km (0.099 R)
• M7: 2,247,558 km (0.103 R)
• M8: 2,801,370 km (0.031 R)
• M9: 3,369,094 km (0.073 R)
• M10: 4,853,404 km (0.073 R)
• M11: 5,635,501 km (0.095 R)
• M12: 8,483,845 km (0.076 R)
• M13: 10,629,677 km (0.105 R)
• M14: 13,173,140 km (0.114 R)
• M15: 14,488,255 km (0.05 R)
• M16: 16,165,097 km (0.091 R)
• M17: 18,041,952 km (0.076 R)
• M18: 22,918,244 km (0.065 R)
• M19: 23,718,144 km (0.06 R)
• M20: 26,518,766 km (0.084 R)
• M21: 27,006,006 km (0.105 R)
• M22: 31,337,463 km (0.118 R)
• M23: 32,101,609 km (0.098 R)
• M24: 37,679,964 km (0.112 R)
• M25: 37,925,603 km (0.115 R)
• M26: 40,311,390 km (0.094 R)
• M27: 43,600,599 km (0.081 R)
• M28: 44,689,821 km (0.092 R)
• M29: 45,936,719 km (0.1 R)
• M30: 47,635,104 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.4

Radius: 3.9

Gravity: 58.74 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.58 AU - 7.78 AU

Year: 14436 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,009,525 km

• M1: 48,769 km (0.065 R)
• M2: 239,955 km (0.093 R)
• M3: 451,486 km (0.057 R)
• M4: 575,204 km (0.114 R)
• M5: 1,118,244 km (0.074 R)
• M6: 1,500,167 km (0.116 R)
• M7: 2,364,394 km (0.073 R)
• M8: 2,539,125 km (0.081 R)
• M9: 2,745,869 km (0.071 R)
• M10: 3,489,520 km (0.071 R)
• M11: 3,983,193 km (0.089 R)
• M12: 5,363,084 km (0.119 R)
• M13: 5,703,718 km (0.118 R)
• M14: 6,725,920 km (0.114 R)
• M15: 6,988,465 km (0.051 R)
• M16: 7,122,205 km (0.11 R)
• M17: 8,454,224 km (0.108 R)
• M18: 9,501,559 km (0.05 R)
• M19: 10,457,490 km (0.06 R)
• M20: 10,988,562 km (0.038 R)
• M21: 12,297,543 km (0.101 R)
• M22: 15,295,485 km (0.112 R)
• M23: 18,832,278 km (0.074 R)
• M24: 19,091,531 km (0.116 R)
• M25: 19,440,991 km (0.106 R)
• M26: 20,423,849 km (0.053 R)
• M27: 20,973,621 km (0.112 R)
• M28: 24,790,312 km (0.032 R)
• M29: 26,698,134 km (0.031 R)
• M30: 27,245,063 km (0.027 R)
• M31: 32,136,615 km (0.119 R)
• M32: 34,016,312 km (0.102 R)
• M33: 39,950,560 km (0.07 R)
• M34: 49,594,088 km (0.079 R)
• M35: 56,637,604 km (0.063 R)
• M36: 58,451,179 km (0.096 R)
• M37: 58,634,586 km (0.086 R)
• M38: 60,116,204 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.4

Radius: 7.4

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.74 AU - 8.96 AU

Year: 14917 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,009,525 km

• M1: 92,601 km (0.114 R)
• M2: 336,296 km (0.096 R)
• M3: 673,938 km (0.113 R)
• M4: 991,983 km (0.118 R)
• M5: 1,231,789 km (0.051 R)
• M6: 1,991,596 km (0.097 R)
• M7: 2,441,886 km (0.092 R)
• M8: 4,116,335 km (0.118 R)
• M9: 5,297,261 km (0.061 R)
• M10: 5,550,829 km (0.059 R)
• M11: 6,523,514 km (0.112 R)
• M12: 7,696,810 km (0.102 R)
• M13: 8,070,057 km (0.081 R)
• M14: 9,578,004 km (0.096 R)
• M15: 10,342,299 km (0.08 R)
• M16: 13,472,485 km (0.093 R)
• M17: 14,152,707 km (0.1 R)
• M18: 14,571,730 km (0.118 R)
• M19: 16,179,159 km (0.065 R)
• M20: 17,499,809 km (0.087 R)
• M21: 17,740,063 km (0.112 R)
• M22: 18,556,868 km (0.11 R)
• M23: 18,974,695 km (0.094 R)
• M24: 20,530,662 km (0.065 R)
• M25: 21,983,557 km (0.117 R)
• M26: 23,406,681 km (0.105 R)
• M27: 30,287,585 km (0.093 R)
• M28: 39,769,098 km (0.101 R)
• M29: 45,100,766 km (0.101 R)
• M30: 54,556,698 km (0.067 R)
• M31: 55,759,315 km (0.116 R)
• M32: 57,684,640 km (0.102 R)
• M33: 58,574,448 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.3

Radius: 5.7

Gravity: 23.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.28 AU - 9 AU

Year: 15752 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,009,525 km

• M1: 77,342 km (0.094 R)
• M2: 329,863 km (0.118 R)
• M3: 1,091,915 km (0.067 R)
• M4: 2,795,835 km (0.115 R)
• M5: 3,272,753 km (0.094 R)
• M6: 4,718,167 km (0.11 R)
• M7: 5,393,003 km (0.117 R)
• M8: 6,844,701 km (0.071 R)
• M9: 8,539,046 km (0.064 R)
• M10: 9,812,573 km (0.059 R)
• M11: 11,514,249 km (0.051 R)
• M12: 15,793,795 km (0.04 R)
• M13: 16,729,081 km (0.072 R)
• M14: 17,783,447 km (0.101 R)
• M15: 19,756,194 km (0.106 R)
• M16: 23,526,360 km (0.072 R)
• M17: 23,927,880 km (0.079 R)
• M18: 26,325,784 km (0.096 R)
• M19: 26,867,478 km (0.096 R)
• M20: 27,749,657 km (0.117 R)
• M21: 29,339,434 km (0.089 R)
• M22: 31,592,976 km (0.105 R)
• M23: 32,451,518 km (0.11 R)
• M24: 36,307,702 km (0.114 R)
• M25: 37,521,390 km (0.083 R)
• M26: 42,945,360 km (0.045 R)
• M27: 47,260,511 km (0.066 R)
• M28: 54,436,122 km (0.068 R)
• M29: 56,203,022 km (0.038 R)
• M30: 58,924,507 km (0.11 R)
• M31: 61,353,079 km (0.119 R)
• M32: 64,824,797 km (0.056 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: 462 - 18,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit