🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 8.8

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.64 AU - 0.68 AU

Year: 358 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,467,022 km

• M1: 109,506 km (0.081 R)
• M2: 388,356 km (0.105 R)
• M3: 708,496 km (0.093 R)
• M4: 1,243,308 km (0.097 R)
• M5: 1,675,496 km (0.099 R)
• M6: 1,965,716 km (0.104 R)
• M7: 2,438,146 km (0.051 R)
• M8: 2,833,384 km (0.099 R)
• M9: 3,598,876 km (0.096 R)
• M10: 4,361,077 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 14.1

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,467,022 km

• M1: 175,329 km (0.102 R)
• M2: 629,957 km (0.095 R)
• M3: 1,110,615 km (0.103 R)
• M4: 1,779,167 km (0.068 R)
• M5: 2,458,940 km (0.092 R)
• M6: 2,930,772 km (0.059 R)
• M7: 3,424,295 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 11.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.01 AU - 2.75 AU

Year: 2448 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,467,022 km

• M1: 144,212 km (0.12 R)
• M2: 544,686 km (0.074 R)
• M3: 1,038,359 km (0.119 R)
• M4: 1,583,344 km (0.084 R)
• M5: 2,061,010 km (0.075 R)
• M6: 2,664,637 km (0.106 R)
• M7: 3,275,745 km (0.06 R)
• M8: 4,333,701 km (0.041 R)
• M9: 4,756,016 km (0.064 R)
• M10: 5,157,237 km (0.068 R)
• M11: 5,683,971 km (0.098 R)
• M12: 6,845,898 km (0.099 R)
• M13: 9,053,364 km (0.103 R)
• M14: 9,414,044 km (0.104 R)
• M15: 10,593,624 km (0.119 R)
• M16: 11,198,747 km (0.118 R)
• M17: 11,955,114 km (0.093 R)
• M18: 15,994,705 km (0.076 R)
• M19: 16,683,753 km (0.106 R)
• M20: 17,392,548 km (0.106 R)
• M21: 17,838,499 km (0.107 R)
• M22: 18,579,607 km (0.08 R)
• M23: 19,579,669 km (0.077 R)
• M24: 19,941,097 km (0.091 R)
• M25: 20,864,116 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 10.3

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.25 AU - 5.41 AU

Year: 7079 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,467,022 km

• M1: 128,056 km (0.113 R)
• M2: 810,521 km (0.095 R)
• M3: 1,210,097 km (0.089 R)
• M4: 1,628,971 km (0.106 R)
• M5: 2,194,302 km (0.114 R)
• M6: 3,841,973 km (0.052 R)
• M7: 4,203,551 km (0.087 R)
• M8: 4,759,905 km (0.098 R)
• M9: 5,178,031 km (0.08 R)
• M10: 5,620,542 km (0.05 R)
• M11: 6,617,911 km (0.116 R)
• M12: 7,216,601 km (0.107 R)
• M13: 7,729,423 km (0.117 R)
• M14: 8,223,993 km (0.098 R)
• M15: 9,050,372 km (0.092 R)
• M16: 9,460,719 km (0.089 R)
• M17: 12,354,989 km (0.117 R)
• M18: 12,746,935 km (0.116 R)
• M19: 13,089,514 km (0.11 R)
• M20: 14,832,928 km (0.07 R)
• M21: 16,188,434 km (0.07 R)
• M22: 17,624,873 km (0.088 R)
• M23: 18,193,794 km (0.033 R)
• M24: 18,848,434 km (0.059 R)
• M25: 20,051,051 km (0.096 R)
• M26: 21,868,217 km (0.112 R)
• M27: 22,277,367 km (0.086 R)
• M28: 25,646,311 km (0.109 R)
• M29: 27,121,795 km (0.072 R)
• M30: 37,298,340 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 9.3

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.38 AU - 5.44 AU

Year: 7255 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 140.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,467,022 km

• M1: 116,537 km (0.087 R)
• M2: 636,090 km (0.109 R)
• M3: 1,604,288 km (0.094 R)
• M4: 2,056,971 km (0.082 R)
• M5: 3,285,917 km (0.117 R)
• M6: 4,045,874 km (0.12 R)
• M7: 4,976,822 km (0.103 R)
• M8: 8,840,935 km (0.082 R)
• M9: 10,447,317 km (0.086 R)
• M10: 12,185,794 km (0.038 R)
• M11: 13,351,311 km (0.101 R)
• M12: 14,833,826 km (0.117 R)
• M13: 15,267,959 km (0.037 R)
• M14: 19,197,296 km (0.06 R)
• M15: 20,237,899 km (0.078 R)
• M16: 26,100,939 km (0.111 R)
• M17: 27,936,654 km (0.044 R)
• M18: 30,053,614 km (0.101 R)
• M19: 31,353,769 km (0.096 R)
• M20: 34,821,597 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 13.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.96 AU - 6.5 AU

Year: 9147 Days

Day: 6.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,467,022 km

• M1: 166,054 km (0.118 R)
• M2: 1,157,888 km (0.106 R)
• M3: 1,580,202 km (0.095 R)
• M4: 2,107,984 km (0.099 R)
• M5: 2,550,494 km (0.085 R)
• M6: 3,859,775 km (0.04 R)
• M7: 5,475,731 km (0.099 R)
• M8: 6,031,936 km (0.092 R)
• M9: 6,473,549 km (0.045 R)
• M10: 6,976,347 km (0.099 R)
• M11: 8,104,764 km (0.033 R)
• M12: 9,206,851 km (0.086 R)
• M13: 9,844,288 km (0.08 R)
• M14: 10,669,021 km (0.059 R)
• M15: 12,164,850 km (0.107 R)
• M16: 13,114,797 km (0.114 R)
• M17: 16,546,272 km (0.107 R)
• M18: 18,315,716 km (0.04 R)
• M19: 19,404,489 km (0.057 R)
• M20: 23,018,924 km (0.114 R)
• M21: 23,919,652 km (0.101 R)
• M22: 25,695,828 km (0.077 R)
• M23: 26,372,010 km (0.099 R)
• M24: 28,063,214 km (0.117 R)
• M25: 29,299,940 km (0.115 R)
• M26: 33,114,536 km (0.082 R)
• M27: 42,380,030 km (0.078 R)
• M28: 46,240,552 km (0.111 R)
• M29: 47,241,063 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.7

Radius: 6.9

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.82 AU - 10.9 AU

Year: 17587 Days

Day: 18 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,467,022 km

• M1: 86,168 km (0.032 R)
• M2: 347,965 km (0.068 R)
• M3: 657,333 km (0.086 R)
• M4: 1,212,192 km (0.111 R)
• M5: 1,565,542 km (0.065 R)
• M6: 1,929,663 km (0.113 R)
• M7: 2,370,528 km (0.109 R)
• M8: 2,852,083 km (0.097 R)
• M9: 3,342,166 km (0.112 R)
• M10: 3,679,808 km (0.085 R)
• M11: 6,122,143 km (0.068 R)
• M12: 6,803,262 km (0.079 R)
• M13: 13,119,883 km (0.107 R)
• M14: 14,248,599 km (0.038 R)
• M15: 15,212,308 km (0.08 R)
• M16: 16,139,665 km (0.087 R)
• M17: 17,186,402 km (0.099 R)
• M18: 21,253,818 km (0.107 R)
• M19: 22,906,426 km (0.099 R)
• M20: 23,408,327 km (0.108 R)
• M21: 27,129,125 km (0.1 R)
• M22: 29,540,942 km (0.109 R)
• M23: 30,496,274 km (0.073 R)
• M24: 31,471,802 km (0.107 R)
• M25: 36,937,809 km (0.092 R)
• M26: 39,033,974 km (0.107 R)
• M27: 43,614,511 km (0.059 R)
• M28: 47,235,677 km (0.05 R)
• M29: 55,970,099 km (0.09 R)
• M30: 57,985,331 km (0.106 R)
• M31: 61,386,738 km (0.104 R)
• M32: 61,772,701 km (0.098 R)
• M33: 63,136,136 km (0.096 R)
• M34: 64,122,435 km (0.035 R)
• M35: 64,719,031 km (0.063 R)
• M36: 66,125,400 km (0.107 R)
• M37: 68,376,699 km (0.084 R)
• M38: 69,625,841 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 17,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit