🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 36.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.5 AU - 0.68 AU

Year: 297 Days

Day: 15.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,687,980 km

• M1: 361,877 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 11.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.7 AU - 0.96 AU

Year: 496 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,687,980 km

• M1: 143,614 km (0.047 R)
• M2: 545,733 km (0.098 R)
• M3: 982,708 km (0.105 R)
• M4: 1,362,537 km (0.046 R)
• M5: 1,725,163 km (0.091 R)
• M6: 2,485,718 km (0.112 R)
• M7: 2,877,066 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.9

Radius: 13.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.28 AU - 1.84 AU

Year: 1278 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,687,980 km

• M1: 163,361 km (0.097 R)
• M2: 730,038 km (0.076 R)
• M3: 2,094,969 km (0.033 R)
• M4: 3,306,861 km (0.111 R)
• M5: 3,940,109 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 13.2

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.99 AU - 3.03 AU

Year: 2609 Days

Day: 11 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,687,980 km

• M1: 164,258 km (0.096 R)
• M2: 672,592 km (0.079 R)
• M3: 1,335,011 km (0.101 R)
• M4: 2,021,366 km (0.062 R)
• M5: 2,513,244 km (0.111 R)
• M6: 2,967,124 km (0.09 R)
• M7: 3,457,656 km (0.1 R)
• M8: 4,043,481 km (0.105 R)
• M9: 5,593,614 km (0.051 R)
• M10: 6,489,256 km (0.095 R)
• M11: 7,765,027 km (0.062 R)
• M12: 11,636,919 km (0.097 R)
• M13: 12,640,870 km (0.097 R)
• M14: 15,224,725 km (0.087 R)
• M15: 16,106,455 km (0.079 R)
• M16: 16,748,978 km (0.072 R)
• M17: 18,721,426 km (0.102 R)
• M18: 20,781,687 km (0.04 R)
• M19: 21,287,478 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 10.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.56 AU - 2.62 AU

Year: 2734 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,687,980 km

• M1: 130,599 km (0.07 R)
• M2: 525,089 km (0.099 R)
• M3: 880,832 km (0.078 R)
• M4: 1,329,626 km (0.108 R)
• M5: 1,858,006 km (0.081 R)
• M6: 2,271,494 km (0.118 R)
• M7: 2,730,909 km (0.101 R)
• M8: 3,166,239 km (0.111 R)
• M9: 3,610,245 km (0.062 R)
• M10: 4,712,782 km (0.111 R)
• M11: 5,293,521 km (0.116 R)
• M12: 6,570,488 km (0.099 R)
• M13: 7,236,049 km (0.056 R)
• M14: 8,567,171 km (0.114 R)
• M15: 11,018,482 km (0.09 R)
• M16: 13,039,399 km (0.066 R)
• M17: 13,444,211 km (0.108 R)
• M18: 16,621,520 km (0.037 R)
• M19: 18,979,183 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 13.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.38 AU - 3.36 AU

Year: 3190 Days

Day: 11.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,687,980 km

• M1: 172,935 km (0.053 R)
• M2: 623,225 km (0.073 R)
• M3: 1,278,314 km (0.085 R)
• M4: 1,737,130 km (0.11 R)
• M5: 2,888,735 km (0.082 R)
• M6: 3,566,413 km (0.083 R)
• M7: 5,025,292 km (0.071 R)
• M8: 6,477,887 km (0.108 R)
• M9: 6,970,064 km (0.072 R)
• M10: 7,835,488 km (0.082 R)
• M11: 8,496,710 km (0.07 R)
• M12: 10,825,800 km (0.097 R)
• M13: 12,597,936 km (0.115 R)
• M14: 13,183,761 km (0.054 R)
• M15: 14,458,784 km (0.091 R)
• M16: 16,710,531 km (0.1 R)
• M17: 21,010,572 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.7

Radius: 3.3

Gravity: 89.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.57 AU - 6.99 AU

Year: 11581 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,687,980 km

• M1: 50,414 km (0.101 R)
• M2: 416,780 km (0.074 R)
• M3: 522,994 km (0.104 R)
• M4: 913,893 km (0.075 R)
• M5: 1,096,403 km (0.07 R)
• M6: 1,248,693 km (0.115 R)
• M7: 2,856,721 km (0.098 R)
• M8: 3,246,723 km (0.044 R)
• M9: 3,454,664 km (0.109 R)
• M10: 3,839,729 km (0.118 R)
• M11: 4,101,974 km (0.065 R)
• M12: 4,926,707 km (0.1 R)
• M13: 5,062,691 km (0.077 R)
• M14: 6,203,375 km (0.097 R)
• M15: 7,066,854 km (0.082 R)
• M16: 7,549,606 km (0.088 R)
• M17: 8,007,376 km (0.09 R)
• M18: 8,338,585 km (0.025 R)
• M19: 10,408,870 km (0.058 R)
• M20: 11,090,887 km (0.117 R)
• M21: 12,046,069 km (0.086 R)
• M22: 15,095,323 km (0.067 R)
• M23: 17,260,602 km (0.066 R)
• M24: 18,214,139 km (0.094 R)
• M25: 19,624,249 km (0.119 R)
• M26: 20,662,308 km (0.082 R)
• M27: 21,827,676 km (0.118 R)
• M28: 24,092,737 km (0.053 R)
• M29: 34,224,851 km (0.117 R)
• M30: 34,595,854 km (0.092 R)
• M31: 36,620,661 km (0.096 R)
• M32: 38,189,943 km (0.053 R)
• M33: 38,856,850 km (0.089 R)
• M34: 40,351,333 km (0.111 R)
• M35: 43,166,017 km (0.12 R)
• M36: 44,181,188 km (0.083 R)
• M37: 45,659,065 km (0.109 R)
• M38: 48,401,493 km (0.078 R)
• M39: 49,971,523 km (0.074 R)
• M40: 52,062,901 km (0.109 R)
• M41: 54,716,020 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.5

Radius: 7.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.4 AU - 8.24 AU

Year: 11684 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 158.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,687,980 km

• M1: 90,956 km (0.093 R)
• M2: 372,947 km (0.071 R)
• M3: 665,711 km (0.027 R)
• M4: 1,272,928 km (0.119 R)
• M5: 1,557,613 km (0.115 R)
• M6: 2,065,049 km (0.07 R)
• M7: 2,480,333 km (0.071 R)
• M8: 2,739,137 km (0.075 R)
• M9: 3,287,712 km (0.089 R)
• M10: 3,828,958 km (0.118 R)
• M11: 5,950,854 km (0.116 R)
• M12: 6,565,402 km (0.065 R)
• M13: 9,262,352 km (0.03 R)
• M14: 9,644,425 km (0.081 R)
• M15: 10,237,281 km (0.045 R)
• M16: 11,936,863 km (0.028 R)
• M17: 12,736,464 km (0.101 R)
• M18: 13,030,573 km (0.088 R)
• M19: 13,632,256 km (0.107 R)
• M20: 14,252,488 km (0.105 R)
• M21: 14,697,542 km (0.101 R)
• M22: 15,217,694 km (0.119 R)
• M23: 18,300,008 km (0.082 R)
• M24: 18,750,148 km (0.039 R)
• M25: 19,284,811 km (0.111 R)
• M26: 20,786,923 km (0.027 R)
• M27: 22,707,760 km (0.086 R)
• M28: 23,315,127 km (0.108 R)
• M29: 25,853,055 km (0.105 R)
• M30: 26,610,768 km (0.105 R)
• M31: 29,686,949 km (0.083 R)
• M32: 35,597,561 km (0.062 R)
• M33: 39,945,623 km (0.096 R)
• M34: 45,314,093 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.1

Radius: 5.5

Gravity: 21.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.26 AU - 7.76 AU

Year: 13501 Days

Day: 18.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,687,980 km

• M1: 68,366 km (0.114 R)
• M2: 251,474 km (0.097 R)
• M3: 698,772 km (0.084 R)
• M4: 1,116,599 km (0.114 R)
• M5: 1,624,184 km (0.089 R)
• M6: 1,835,267 km (0.109 R)
• M7: 2,083,150 km (0.074 R)
• M8: 2,353,175 km (0.07 R)
• M9: 2,916,560 km (0.095 R)
• M10: 3,701,051 km (0.116 R)
• M11: 4,337,291 km (0.052 R)
• M12: 4,681,665 km (0.069 R)
• M13: 5,676,790 km (0.054 R)
• M14: 6,165,975 km (0.058 R)
• M15: 8,406,204 km (0.085 R)
• M16: 10,133,161 km (0.083 R)
• M17: 14,135,652 km (0.09 R)
• M18: 14,475,988 km (0.114 R)
• M19: 15,386,440 km (0.083 R)
• M20: 18,669,665 km (0.107 R)
• M21: 22,025,893 km (0.092 R)
• M22: 22,575,665 km (0.097 R)
• M23: 24,182,645 km (0.082 R)
• M24: 24,669,586 km (0.12 R)
• M25: 25,864,574 km (0.089 R)
• M26: 27,306,847 km (0.119 R)
• M27: 30,576,608 km (0.108 R)
• M28: 35,704,374 km (0.097 R)
• M29: 42,353,700 km (0.09 R)
• M30: 47,926,371 km (0.096 R)
• M31: 56,999,332 km (0.067 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 12,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit