🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 11.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 14.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,982,490 km

• M1: 143,016 km (0.068 R)
• M2: 608,415 km (0.08 R)
• M3: 981,063 km (0.048 R)
• M4: 1,826,440 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.1

Radius: 10.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.5 AU - 0.78 AU

Year: 347 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,982,490 km

• M1: 129,402 km (0.093 R)
• M2: 480,359 km (0.118 R)
• M3: 1,021,454 km (0.047 R)
• M4: 1,573,470 km (0.038 R)
• M5: 2,111,125 km (0.071 R)
• M6: 2,458,043 km (0.065 R)
• M7: 2,826,353 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 12.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.13 AU - 1.47 AU

Year: 1005 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,982,490 km

• M1: 150,944 km (0.115 R)
• M2: 562,039 km (0.078 R)
• M3: 991,385 km (0.107 R)
• M4: 1,647,222 km (0.094 R)
• M5: 2,373,370 km (0.095 R)
• M6: 3,378,668 km (0.065 R)
• M7: 4,145,058 km (0.11 R)
• M8: 6,918,902 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 12.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.19 AU - 1.91 AU

Year: 1309 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,982,490 km

• M1: 154,385 km (0.106 R)
• M2: 547,528 km (0.065 R)
• M3: 1,028,934 km (0.055 R)
• M4: 1,592,918 km (0.046 R)
• M5: 2,118,755 km (0.091 R)
• M6: 2,869,736 km (0.095 R)
• M7: 3,273,949 km (0.109 R)
• M8: 3,913,480 km (0.031 R)
• M9: 5,064,935 km (0.093 R)
• M10: 5,462,865 km (0.117 R)
• M11: 6,005,457 km (0.074 R)
• M12: 6,717,244 km (0.115 R)
• M13: 7,436,361 km (0.064 R)
• M14: 8,361,324 km (0.109 R)
• M15: 9,530,731 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715

Radius: 9.7

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.43 AU - 1.85 AU

Year: 1424 Days

Day: 9.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,982,490 km

• M1: 120,725 km (0.081 R)
• M2: 431,291 km (0.077 R)
• M3: 797,207 km (0.073 R)
• M4: 1,224,907 km (0.113 R)
• M5: 1,610,571 km (0.093 R)
• M6: 1,989,801 km (0.027 R)
• M7: 2,819,621 km (0.031 R)
• M8: 3,329,001 km (0.034 R)
• M9: 3,762,985 km (0.118 R)
• M10: 4,073,101 km (0.028 R)
• M11: 4,400,272 km (0.116 R)
• M12: 4,784,439 km (0.113 R)
• M13: 5,642,532 km (0.09 R)
• M14: 8,334,397 km (0.076 R)
• M15: 9,605,230 km (0.064 R)
• M16: 11,459,047 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 8.3

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.92 AU - 2.16 AU

Year: 1976 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,982,490 km

• M1: 103,223 km (0.109 R)
• M2: 413,189 km (0.106 R)
• M3: 973,134 km (0.059 R)
• M4: 1,320,800 km (0.048 R)
• M5: 1,655,600 km (0.11 R)
• M6: 2,046,798 km (0.066 R)
• M7: 2,323,405 km (0.074 R)
• M8: 2,668,377 km (0.115 R)
• M9: 3,015,594 km (0.088 R)
• M10: 4,085,368 km (0.078 R)
• M11: 5,045,787 km (0.063 R)
• M12: 5,531,232 km (0.095 R)
• M13: 6,022,212 km (0.052 R)
• M14: 6,382,892 km (0.075 R)
• M15: 7,091,089 km (0.111 R)
• M16: 8,312,854 km (0.116 R)
• M17: 9,496,473 km (0.102 R)
• M18: 11,516,343 km (0.093 R)
• M19: 12,357,831 km (0.108 R)
• M20: 13,282,945 km (0.111 R)
• M21: 13,630,460 km (0.105 R)
• M22: 15,317,625 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 9.6

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.85 AU - 2.69 AU

Year: 2320 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,982,490 km

• M1: 123,119 km (0.08 R)
• M2: 423,212 km (0.066 R)
• M3: 856,897 km (0.094 R)
• M4: 1,203,216 km (0.045 R)
• M5: 1,786,947 km (0.119 R)
• M6: 2,744,373 km (0.075 R)
• M7: 3,113,431 km (0.08 R)
• M8: 3,854,389 km (0.06 R)
• M9: 4,235,714 km (0.098 R)
• M10: 5,508,493 km (0.098 R)
• M11: 7,528,812 km (0.058 R)
• M12: 8,256,606 km (0.081 R)
• M13: 8,755,963 km (0.112 R)
• M14: 9,560,800 km (0.115 R)
• M15: 13,189,595 km (0.057 R)
• M16: 13,505,397 km (0.107 R)
• M17: 15,259,731 km (0.096 R)
• M18: 15,708,375 km (0.113 R)
• M19: 16,114,533 km (0.095 R)
• M20: 18,928,170 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 12.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.88 AU - 4.82 AU

Year: 6154 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,982,490 km

• M1: 161,117 km (0.114 R)
• M2: 560,543 km (0.106 R)
• M3: 1,026,092 km (0.12 R)
• M4: 1,534,126 km (0.087 R)
• M5: 2,708,320 km (0.106 R)
• M6: 3,740,545 km (0.095 R)
• M7: 4,283,885 km (0.029 R)
• M8: 5,631,313 km (0.094 R)
• M9: 7,335,382 km (0.115 R)
• M10: 7,930,482 km (0.113 R)
• M11: 9,578,602 km (0.071 R)
• M12: 11,610,291 km (0.055 R)
• M13: 12,160,063 km (0.072 R)
• M14: 13,867,872 km (0.069 R)
• M15: 15,025,760 km (0.119 R)
• M16: 18,314,669 km (0.11 R)
• M17: 20,491,168 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 11

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.22 AU - 5.92 AU

Year: 7743 Days

Day: 9.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,982,490 km

• M1: 136,882 km (0.057 R)
• M2: 567,574 km (0.101 R)
• M3: 971,339 km (0.076 R)
• M4: 1,584,241 km (0.069 R)
• M5: 2,794,488 km (0.057 R)
• M6: 3,182,396 km (0.082 R)
• M7: 3,676,667 km (0.1 R)
• M8: 5,109,964 km (0.098 R)
• M9: 5,662,130 km (0.073 R)
• M10: 6,356,114 km (0.092 R)
• M11: 7,993,762 km (0.078 R)
• M12: 8,611,601 km (0.077 R)
• M13: 8,997,414 km (0.051 R)
• M14: 9,757,820 km (0.12 R)
• M15: 10,272,287 km (0.12 R)
• M16: 14,099,001 km (0.077 R)
• M17: 14,575,620 km (0.063 R)
• M18: 16,263,981 km (0.104 R)
• M19: 20,175,367 km (0.044 R)
• M20: 21,165,705 km (0.065 R)
• M21: 25,017,551 km (0.109 R)
• M22: 26,249,639 km (0.112 R)
• M23: 28,929,984 km (0.114 R)
• M24: 31,991,205 km (0.055 R)
• M25: 33,023,132 km (0.108 R)
• M26: 33,864,620 km (0.071 R)
• M27: 34,290,674 km (0.034 R)
• M28: 35,371,369 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 15,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit