🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.6

Radius: 8.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.7 AU - 0.76 AU

Year: 409 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,628,006 km

• M1: 108,159 km (0.114 R)
• M2: 392,246 km (0.111 R)
• M3: 668,254 km (0.092 R)
• M4: 1,155,793 km (0.109 R)
• M5: 1,572,722 km (0.097 R)
• M6: 2,594,476 km (0.085 R)
• M7: 2,903,246 km (0.054 R)
• M8: 3,361,015 km (0.061 R)
• M9: 3,655,873 km (0.087 R)
• M10: 3,942,353 km (0.106 R)
• M11: 4,407,303 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 10

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 426 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,628,006 km

• M1: 142,716 km (0.085 R)
• M2: 545,733 km (0.114 R)
• M3: 870,211 km (0.113 R)
• M4: 1,368,222 km (0.073 R)
• M5: 1,923,529 km (0.065 R)
• M6: 2,319,964 km (0.08 R)
• M7: 2,641,450 km (0.11 R)
• M8: 3,484,434 km (0.056 R)
• M9: 4,029,269 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.6

Radius: 8.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.01 AU - 1.09 AU

Year: 706 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,628,006 km

• M1: 103,223 km (0.111 R)
• M2: 502,948 km (0.099 R)
• M3: 769,831 km (0.112 R)
• M4: 1,140,833 km (0.118 R)
• M5: 1,487,900 km (0.105 R)
• M6: 1,956,740 km (0.12 R)
• M7: 2,573,532 km (0.068 R)
• M8: 2,870,035 km (0.044 R)
• M9: 3,165,042 km (0.111 R)
• M10: 3,506,275 km (0.106 R)
• M11: 4,013,860 km (0.058 R)
• M12: 5,348,423 km (0.071 R)
• M13: 5,834,167 km (0.083 R)
• M14: 6,408,174 km (0.107 R)
• M15: 7,019,282 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 10.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.52 AU - 2.28 AU

Year: 1718 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,628,006 km

• M1: 129,402 km (0.097 R)
• M2: 517,609 km (0.098 R)
• M3: 897,587 km (0.099 R)
• M4: 1,242,410 km (0.095 R)
• M5: 1,686,417 km (0.09 R)
• M6: 2,190,711 km (0.041 R)
• M7: 2,614,372 km (0.113 R)
• M8: 3,264,525 km (0.106 R)
• M9: 3,596,931 km (0.106 R)
• M10: 4,103,918 km (0.109 R)
• M11: 4,565,577 km (0.091 R)
• M12: 5,551,128 km (0.097 R)
• M13: 6,116,758 km (0.066 R)
• M14: 7,061,767 km (0.096 R)
• M15: 7,595,533 km (0.065 R)
• M16: 8,432,383 km (0.073 R)
• M17: 9,062,639 km (0.114 R)
• M18: 9,389,510 km (0.103 R)
• M19: 11,832,294 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.7

Radius: 3

Gravity: 76.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.77 AU - 7.89 AU

Year: 13019 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 55,628,006 km

• M1: 37,250 km (0.034 R)
• M2: 178,321 km (0.107 R)
• M3: 489,035 km (0.118 R)
• M4: 880,383 km (0.053 R)
• M5: 1,915,750 km (0.114 R)
• M6: 2,060,112 km (0.111 R)
• M7: 2,391,322 km (0.104 R)
• M8: 2,516,236 km (0.067 R)
• M9: 2,667,480 km (0.099 R)
• M10: 3,359,968 km (0.111 R)
• M11: 3,543,525 km (0.111 R)
• M12: 3,761,489 km (0.072 R)
• M13: 6,823,009 km (0.115 R)
• M14: 8,144,258 km (0.115 R)
• M15: 9,890,364 km (0.065 R)
• M16: 11,455,158 km (0.117 R)
• M17: 13,502,105 km (0.091 R)
• M18: 14,100,048 km (0.041 R)
• M19: 15,348,293 km (0.033 R)
• M20: 17,746,047 km (0.092 R)
• M21: 19,364,696 km (0.112 R)
• M22: 20,038,934 km (0.054 R)
• M23: 20,295,644 km (0.087 R)
• M24: 22,246,251 km (0.081 R)
• M25: 23,172,860 km (0.065 R)
• M26: 27,556,227 km (0.051 R)
• M27: 29,498,007 km (0.088 R)
• M28: 33,171,832 km (0.073 R)
• M29: 34,135,691 km (0.104 R)
• M30: 35,118,100 km (0.104 R)
• M31: 35,741,474 km (0.071 R)
• M32: 37,139,018 km (0.116 R)
• M33: 37,267,822 km (0.043 R)
• M34: 39,236,230 km (0.102 R)
• M35: 40,449,768 km (0.034 R)
• M36: 41,134,777 km (0.085 R)
• M37: 43,808,091 km (0.043 R)
• M38: 46,744,847 km (0.107 R)
• M39: 48,722,381 km (0.117 R)
• M40: 49,497,597 km (0.091 R)
• M41: 50,754,967 km (0.102 R)
• M42: 55,828,729 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.1

Radius: 5.5

Gravity: 22.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.94 AU - 9.72 AU

Year: 18695 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,628,006 km

• M1: 68,516 km (0.094 R)
• M2: 250,277 km (0.089 R)
• M3: 511,625 km (0.08 R)
• M4: 777,161 km (0.058 R)
• M5: 1,869,076 km (0.047 R)
• M6: 2,372,173 km (0.112 R)
• M7: 2,961,439 km (0.031 R)
• M8: 3,222,637 km (0.12 R)
• M9: 3,943,549 km (0.095 R)
• M10: 4,525,635 km (0.113 R)
• M11: 5,274,971 km (0.119 R)
• M12: 5,581,197 km (0.086 R)
• M13: 7,153,920 km (0.047 R)
• M14: 9,272,375 km (0.102 R)
• M15: 13,603,383 km (0.088 R)
• M16: 15,456,751 km (0.067 R)
• M17: 15,925,441 km (0.091 R)
• M18: 17,725,104 km (0.074 R)
• M19: 18,498,973 km (0.104 R)
• M20: 20,672,182 km (0.112 R)
• M21: 20,860,675 km (0.106 R)
• M22: 23,518,281 km (0.086 R)
• M23: 28,551,202 km (0.083 R)
• M24: 36,270,303 km (0.076 R)
• M25: 38,788,634 km (0.118 R)
• M26: 42,628,512 km (0.12 R)
• M27: 43,240,816 km (0.079 R)
• M28: 46,229,781 km (0.084 R)
• M29: 54,748,034 km (0.031 R)
• M30: 55,653,250 km (0.105 R)
• M31: 55,835,460 km (0.105 R)
• M32: 59,755,224 km (0.116 R)
• M33: 62,075,487 km (0.098 R)
• M34: 65,261,473 km (0.074 R)
• M35: 65,464,178 km (0.116 R)
• M36: 70,882,164 km (0.11 R)
• M37: 71,525,884 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.3

Radius: 5.7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.18 AU - 10.18 AU

Year: 19757 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,628,006 km

• M1: 72,106 km (0.111 R)
• M2: 285,882 km (0.072 R)
• M3: 489,185 km (0.118 R)
• M4: 670,498 km (0.092 R)
• M5: 1,128,417 km (0.073 R)
• M6: 1,943,127 km (0.067 R)
• M7: 3,266,170 km (0.09 R)
• M8: 3,468,875 km (0.097 R)
• M9: 4,643,967 km (0.1 R)
• M10: 8,483,246 km (0.115 R)
• M11: 11,250,657 km (0.103 R)
• M12: 12,312,802 km (0.102 R)
• M13: 18,561,057 km (0.118 R)
• M14: 23,043,458 km (0.107 R)
• M15: 25,831,812 km (0.1 R)
• M16: 33,472,524 km (0.087 R)
• M17: 38,190,242 km (0.051 R)
• M18: 38,842,190 km (0.081 R)
• M19: 55,295,263 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 20,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit