🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 9.2

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 598 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,164,435 km

• M1: 115,041 km (0.075 R)
• M2: 409,001 km (0.106 R)
• M3: 705,803 km (0.101 R)
• M4: 1,064,389 km (0.055 R)
• M5: 1,418,936 km (0.075 R)
• M6: 1,935,647 km (0.099 R)
• M7: 2,625,592 km (0.08 R)
• M8: 3,115,376 km (0.119 R)
• M9: 3,758,198 km (0.086 R)
• M10: 4,426,451 km (0.079 R)
• M11: 4,813,162 km (0.112 R)
• M12: 5,205,408 km (0.066 R)
• M13: 6,242,270 km (0.065 R)
• M14: 6,709,465 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 8

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.28 AU - 2.12 AU

Year: 1431 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,164,435 km

• M1: 99,931 km (0.046 R)
• M2: 408,851 km (0.082 R)
• M3: 852,259 km (0.081 R)
• M4: 1,300,005 km (0.098 R)
• M5: 1,735,485 km (0.088 R)
• M6: 2,206,419 km (0.098 R)
• M7: 2,472,554 km (0.083 R)
• M8: 2,898,160 km (0.097 R)
• M9: 3,466,332 km (0.12 R)
• M10: 3,983,043 km (0.091 R)
• M11: 4,342,976 km (0.095 R)
• M12: 4,843,381 km (0.056 R)
• M13: 5,554,868 km (0.088 R)
• M14: 6,074,422 km (0.066 R)
• M15: 6,725,172 km (0.105 R)
• M16: 7,289,156 km (0.095 R)
• M17: 7,912,082 km (0.11 R)
• M18: 8,482,199 km (0.081 R)
• M19: 8,747,436 km (0.085 R)
• M20: 9,294,815 km (0.118 R)
• M21: 10,900,598 km (0.095 R)
• M22: 11,462,787 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 13.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.33 AU - 2.11 AU

Year: 1456 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 54.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,164,435 km

• M1: 174,880 km (0.04 R)
• M2: 760,705 km (0.118 R)
• M3: 1,207,255 km (0.098 R)
• M4: 1,973,794 km (0.117 R)
• M5: 2,395,959 km (0.084 R)
• M6: 2,934,512 km (0.119 R)
• M7: 6,725,771 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 8.9

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.46 AU - 2.2 AU

Year: 1598 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,164,435 km

• M1: 115,938 km (0.119 R)
• M2: 413,489 km (0.117 R)
• M3: 732,431 km (0.047 R)
• M4: 1,027,737 km (0.107 R)
• M5: 1,540,409 km (0.053 R)
• M6: 2,313,681 km (0.052 R)
• M7: 2,710,115 km (0.088 R)
• M8: 3,389,738 km (0.092 R)
• M9: 4,178,568 km (0.058 R)
• M10: 4,914,739 km (0.078 R)
• M11: 5,369,516 km (0.116 R)
• M12: 6,189,911 km (0.085 R)
• M13: 8,107,307 km (0.057 R)
• M14: 8,497,159 km (0.115 R)
• M15: 9,575,909 km (0.113 R)
• M16: 9,977,729 km (0.097 R)
• M17: 10,355,913 km (0.097 R)
• M18: 10,995,294 km (0.091 R)
• M19: 11,324,708 km (0.048 R)
• M20: 12,788,972 km (0.08 R)
• M21: 13,153,542 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.6

Radius: 8.8

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.5 AU - 2.26 AU

Year: 1664 Days

Day: 10.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,164,435 km

• M1: 109,655 km (0.067 R)
• M2: 426,653 km (0.088 R)
• M3: 803,939 km (0.03 R)
• M4: 1,114,355 km (0.042 R)
• M5: 1,461,721 km (0.109 R)
• M6: 1,849,927 km (0.052 R)
• M7: 2,607,192 km (0.045 R)
• M8: 3,049,553 km (0.109 R)
• M9: 3,508,968 km (0.102 R)
• M10: 3,996,358 km (0.084 R)
• M11: 4,566,475 km (0.109 R)
• M12: 5,189,849 km (0.032 R)
• M13: 5,733,039 km (0.082 R)
• M14: 6,630,626 km (0.085 R)
• M15: 7,349,743 km (0.118 R)
• M16: 8,882,523 km (0.053 R)
• M17: 10,015,877 km (0.07 R)
• M18: 12,415,277 km (0.091 R)
• M19: 12,836,395 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 14.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.4 AU - 3.78 AU

Year: 4392 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,164,435 km

• M1: 184,305 km (0.092 R)
• M2: 655,687 km (0.047 R)
• M3: 1,126,472 km (0.046 R)
• M4: 2,418,100 km (0.108 R)
• M5: 3,829,257 km (0.115 R)
• M6: 5,515,673 km (0.051 R)
• M7: 6,434,504 km (0.099 R)
• M8: 7,026,911 km (0.098 R)
• M9: 9,932,102 km (0.097 R)
• M10: 10,555,027 km (0.117 R)
• M11: 14,121,590 km (0.103 R)
• M12: 15,839,572 km (0.108 R)
• M13: 16,518,597 km (0.101 R)
• M14: 19,049,045 km (0.114 R)
• M15: 21,347,317 km (0.075 R)
• M16: 23,026,553 km (0.049 R)
• M17: 24,045,913 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.4

Radius: 11.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.67 AU - 3.81 AU

Year: 4670 Days

Day: 13.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,164,435 km

• M1: 144,811 km (0.118 R)
• M2: 521,947 km (0.119 R)
• M3: 953,387 km (0.066 R)
• M4: 1,317,808 km (0.101 R)
• M5: 1,871,619 km (0.093 R)
• M6: 2,282,714 km (0.025 R)
• M7: 4,263,839 km (0.036 R)
• M8: 4,942,564 km (0.106 R)
• M9: 5,668,862 km (0.101 R)
• M10: 6,903,493 km (0.034 R)
• M11: 8,704,502 km (0.118 R)
• M12: 10,481,724 km (0.066 R)
• M13: 12,371,744 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 10.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.81 AU - 6.15 AU

Year: 7176 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,164,435 km

• M1: 133,142 km (0.066 R)
• M2: 723,156 km (0.083 R)
• M3: 1,769,294 km (0.104 R)
• M4: 2,402,841 km (0.088 R)
• M5: 2,931,969 km (0.095 R)
• M6: 4,712,183 km (0.073 R)
• M7: 5,996,331 km (0.062 R)
• M8: 8,134,983 km (0.077 R)
• M9: 9,925,071 km (0.118 R)
• M10: 11,963,940 km (0.071 R)
• M11: 16,391,139 km (0.044 R)
• M12: 17,872,308 km (0.106 R)
• M13: 18,645,430 km (0.12 R)
• M14: 21,567,525 km (0.088 R)
• M15: 24,523,729 km (0.115 R)
• M16: 27,554,432 km (0.102 R)
• M17: 28,776,497 km (0.1 R)
• M18: 31,328,487 km (0.119 R)
• M19: 33,602,674 km (0.099 R)
• M20: 34,563,840 km (0.065 R)
• M21: 37,103,862 km (0.11 R)
• M22: 37,672,035 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.4

Radius: 6

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.58 AU - 8.6 AU

Year: 14857 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,164,435 km

• M1: 74,649 km (0.098 R)
• M2: 266,284 km (0.065 R)
• M3: 592,258 km (0.093 R)
• M4: 2,226,465 km (0.063 R)
• M5: 2,639,355 km (0.092 R)
• M6: 2,885,444 km (0.109 R)
• M7: 3,717,058 km (0.106 R)
• M8: 4,106,910 km (0.086 R)
• M9: 5,506,997 km (0.095 R)
• M10: 9,395,793 km (0.045 R)
• M11: 10,069,433 km (0.097 R)
• M12: 10,519,124 km (0.081 R)
• M13: 11,783,824 km (0.068 R)
• M14: 19,653,420 km (0.085 R)
• M15: 23,853,680 km (0.039 R)
• M16: 32,549,056 km (0.106 R)
• M17: 32,983,039 km (0.101 R)
• M18: 34,196,278 km (0.078 R)
• M19: 40,711,565 km (0.045 R)
• M20: 41,341,820 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.3

Radius: 7.2

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.94 AU - 13.1 AU

Year: 23620 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,164,435 km

• M1: 89,609 km (0.106 R)
• M2: 360,531 km (0.078 R)
• M3: 786,137 km (0.032 R)
• M4: 1,234,033 km (0.074 R)
• M5: 1,709,904 km (0.094 R)
• M6: 2,042,310 km (0.071 R)
• M7: 4,829,917 km (0.11 R)
• M8: 7,012,550 km (0.075 R)
• M9: 10,271,240 km (0.067 R)
• M10: 10,650,620 km (0.108 R)
• M11: 11,437,505 km (0.036 R)
• M12: 12,761,746 km (0.115 R)
• M13: 14,030,485 km (0.103 R)
• M14: 14,497,679 km (0.106 R)
• M15: 17,166,954 km (0.101 R)
• M16: 18,710,206 km (0.113 R)
• M17: 20,048,957 km (0.043 R)
• M18: 23,130,374 km (0.081 R)
• M19: 23,782,471 km (0.072 R)
• M20: 25,466,195 km (0.026 R)
• M21: 28,446,484 km (0.088 R)
• M22: 36,971,468 km (0.034 R)
• M23: 38,919,980 km (0.071 R)
• M24: 39,379,246 km (0.104 R)
• M25: 40,152,667 km (0.101 R)
• M26: 40,464,878 km (0.108 R)
• M27: 51,331,368 km (0.119 R)
• M28: 61,061,812 km (0.09 R)
• M29: 67,672,841 km (0.108 R)
• M30: 73,339,758 km (0.082 R)
• M31: 74,274,894 km (0.071 R)
• M32: 77,610,328 km (0.09 R)
• M33: 78,094,876 km (0.051 R)
• M34: 81,542,957 km (0.082 R)
• M35: 83,812,506 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 16,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit