🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 14.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.86 AU - 1.16 AU

Year: 645 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,409,627 km

• M1: 182,958 km (0.11 R)
• M2: 805,734 km (0.11 R)
• M3: 1,264,102 km (0.054 R)
• M4: 1,758,523 km (0.07 R)
• M5: 2,446,972 km (0.086 R)
• M6: 3,195,411 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 11.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.08 AU - 1.54 AU

Year: 953 Days

Day: 6.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,409,627 km

• M1: 144,362 km (0.061 R)
• M2: 636,240 km (0.079 R)
• M3: 1,007,990 km (0.068 R)
• M4: 2,440,689 km (0.094 R)
• M5: 3,532,305 km (0.101 R)
• M6: 4,538,799 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 8.6

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.17 AU - 1.75 AU

Year: 1122 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,409,627 km

• M1: 107,411 km (0.116 R)
• M2: 376,987 km (0.099 R)
• M3: 711,487 km (0.105 R)
• M4: 1,309,131 km (0.087 R)
• M5: 1,795,174 km (0.091 R)
• M6: 2,220,780 km (0.037 R)
• M7: 2,634,419 km (0.076 R)
• M8: 3,489,670 km (0.101 R)
• M9: 4,352,999 km (0.101 R)
• M10: 6,029,393 km (0.102 R)
• M11: 6,448,416 km (0.082 R)
• M12: 8,782,891 km (0.118 R)
• M13: 9,693,344 km (0.093 R)
• M14: 10,139,145 km (0.051 R)
• M15: 10,465,867 km (0.109 R)
• M16: 10,833,429 km (0.102 R)
• M17: 11,879,866 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 13.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.38 AU - 2.24 AU

Year: 1548 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,409,627 km

• M1: 169,195 km (0.093 R)
• M2: 703,409 km (0.072 R)
• M3: 1,744,012 km (0.119 R)
• M4: 2,266,408 km (0.109 R)
• M5: 2,774,592 km (0.087 R)
• M6: 3,314,490 km (0.074 R)
• M7: 4,024,482 km (0.093 R)
• M8: 4,645,313 km (0.091 R)
• M9: 5,836,561 km (0.119 R)
• M10: 6,705,874 km (0.109 R)
• M11: 8,307,619 km (0.117 R)
• M12: 9,837,257 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 11.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.91 AU - 3.49 AU

Year: 3640 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,409,627 km

• M1: 150,196 km (0.085 R)
• M2: 631,153 km (0.077 R)
• M3: 1,094,757 km (0.058 R)
• M4: 1,481,767 km (0.056 R)
• M5: 1,949,859 km (0.088 R)
• M6: 2,516,236 km (0.105 R)
• M7: 3,207,528 km (0.105 R)
• M8: 3,654,377 km (0.077 R)
• M9: 4,763,495 km (0.09 R)
• M10: 5,299,355 km (0.079 R)
• M11: 5,670,208 km (0.106 R)
• M12: 6,245,562 km (0.097 R)
• M13: 7,636,971 km (0.108 R)
• M14: 8,047,169 km (0.104 R)
• M15: 8,741,004 km (0.113 R)
• M16: 9,296,012 km (0.101 R)
• M17: 10,172,655 km (0.071 R)
• M18: 10,708,964 km (0.112 R)
• M19: 11,548,806 km (0.081 R)
• M20: 12,779,996 km (0.063 R)
• M21: 13,771,082 km (0.088 R)
• M22: 14,619,302 km (0.104 R)
• M23: 15,804,267 km (0.119 R)
• M24: 16,213,118 km (0.116 R)
• M25: 18,141,285 km (0.075 R)
• M26: 18,931,012 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 11.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.43 AU - 4.49 AU

Year: 5010 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,409,627 km

• M1: 328,367 km (0.08 R)
• M2: 890,107 km (0.057 R)
• M3: 1,838,109 km (0.114 R)
• M4: 2,684,534 km (0.047 R)
• M5: 3,368,495 km (0.108 R)
• M6: 4,261,295 km (0.102 R)
• M7: 7,496,948 km (0.104 R)
• M8: 8,853,352 km (0.075 R)
• M9: 9,716,681 km (0.101 R)
• M10: 11,185,582 km (0.074 R)
• M11: 12,293,654 km (0.067 R)
• M12: 13,579,448 km (0.1 R)
• M13: 14,118,299 km (0.109 R)
• M14: 17,403,019 km (0.096 R)
• M15: 21,454,130 km (0.089 R)
• M16: 22,482,615 km (0.085 R)
• M17: 26,425,267 km (0.106 R)
• M18: 27,011,840 km (0.093 R)
• M19: 29,177,419 km (0.11 R)
• M20: 30,806,690 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 4.9

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.05 AU - 6.75 AU

Year: 10294 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,409,627 km

• M1: 64,925 km (0.046 R)
• M2: 432,338 km (0.106 R)
• M3: 1,053,019 km (0.112 R)
• M4: 1,500,317 km (0.074 R)
• M5: 1,664,426 km (0.087 R)
• M6: 2,011,792 km (0.06 R)
• M7: 2,425,729 km (0.056 R)
• M8: 3,150,681 km (0.112 R)
• M9: 3,735,010 km (0.059 R)
• M10: 4,886,315 km (0.082 R)
• M11: 5,420,828 km (0.109 R)
• M12: 6,804,758 km (0.111 R)
• M13: 7,599,871 km (0.06 R)
• M14: 9,223,606 km (0.064 R)
• M15: 10,037,568 km (0.115 R)
• M16: 14,904,436 km (0.106 R)
• M17: 17,120,429 km (0.057 R)
• M18: 17,726,001 km (0.104 R)
• M19: 18,979,931 km (0.079 R)
• M20: 19,875,424 km (0.102 R)
• M21: 22,640,591 km (0.107 R)
• M22: 23,462,032 km (0.103 R)
• M23: 24,971,475 km (0.075 R)
• M24: 28,707,233 km (0.105 R)
• M25: 30,431,947 km (0.099 R)
• M26: 31,432,009 km (0.086 R)
• M27: 32,224,728 km (0.084 R)
• M28: 33,030,611 km (0.107 R)
• M29: 33,732,076 km (0.032 R)
• M30: 35,043,900 km (0.075 R)
• M31: 37,012,009 km (0.029 R)
• M32: 44,197,045 km (0.06 R)
• M33: 45,910,839 km (0.071 R)
• M34: 46,491,877 km (0.11 R)
• M35: 47,372,410 km (0.095 R)
• M36: 47,668,464 km (0.076 R)
• M37: 50,696,624 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.6

Radius: 5.4

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.65 AU - 12.71 AU

Year: 23768 Days

Day: 23.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,409,627 km

• M1: 68,815 km (0.039 R)
• M2: 254,616 km (0.115 R)
• M3: 1,182,122 km (0.089 R)
• M4: 2,268,502 km (0.117 R)
• M5: 2,796,433 km (0.103 R)
• M6: 3,231,314 km (0.115 R)
• M7: 3,763,434 km (0.061 R)
• M8: 4,120,823 km (0.072 R)
• M9: 4,410,893 km (0.103 R)
• M10: 6,144,583 km (0.087 R)
• M11: 9,180,672 km (0.049 R)
• M12: 9,426,012 km (0.058 R)
• M13: 17,154,537 km (0.037 R)
• M14: 19,958,301 km (0.087 R)
• M15: 25,477,265 km (0.105 R)
• M16: 31,375,760 km (0.086 R)
• M17: 34,227,245 km (0.098 R)
• M18: 41,899,970 km (0.097 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: 208 - 15,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit