🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 8.4

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.77 AU - 0.93 AU

Year: 498 Days

Day: 6.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,796,570 km

• M1: 105,167 km (0.104 R)
• M2: 414,087 km (0.107 R)
• M3: 813,663 km (0.103 R)
• M4: 1,099,993 km (0.099 R)
• M5: 1,428,061 km (0.087 R)
• M6: 1,737,280 km (0.061 R)
• M7: 2,108,582 km (0.102 R)
• M8: 2,702,486 km (0.089 R)
• M9: 2,967,423 km (0.115 R)
• M10: 3,261,533 km (0.107 R)
• M11: 4,137,728 km (0.12 R)
• M12: 4,433,482 km (0.059 R)
• M13: 5,590,173 km (0.103 R)

Asteroid Belt

Center: 1.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 8.5

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.85 AU - 2.01 AU

Year: 1705 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,796,570 km

• M1: 107,860 km (0.045 R)
• M2: 426,803 km (0.108 R)
• M3: 741,108 km (0.11 R)
• M4: 1,031,627 km (0.098 R)
• M5: 1,399,338 km (0.047 R)
• M6: 1,736,532 km (0.041 R)
• M7: 2,115,763 km (0.111 R)
• M8: 2,442,484 km (0.073 R)
• M9: 2,861,358 km (0.091 R)
• M10: 3,182,695 km (0.073 R)
• M11: 3,771,811 km (0.088 R)
• M12: 4,863,427 km (0.096 R)
• M13: 5,528,389 km (0.089 R)
• M14: 6,202,477 km (0.091 R)
• M15: 7,011,503 km (0.071 R)
• M16: 7,801,080 km (0.117 R)
• M17: 9,998,673 km (0.113 R)
• M18: 10,490,251 km (0.082 R)
• M19: 13,785,593 km (0.114 R)
• M20: 14,661,339 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 11.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.77 AU - 2.61 AU

Year: 2061 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,796,570 km

• M1: 142,417 km (0.086 R)
• M2: 517,758 km (0.111 R)
• M3: 1,291,179 km (0.089 R)
• M4: 1,860,698 km (0.064 R)
• M5: 2,329,239 km (0.095 R)
• M6: 3,010,657 km (0.1 R)
• M7: 3,524,227 km (0.062 R)
• M8: 4,039,741 km (0.049 R)
• M9: 4,483,897 km (0.106 R)
• M10: 5,633,108 km (0.112 R)
• M11: 7,160,203 km (0.106 R)
• M12: 9,469,844 km (0.096 R)
• M13: 10,187,166 km (0.07 R)
• M14: 11,462,638 km (0.107 R)
• M15: 13,006,188 km (0.062 R)
• M16: 14,065,940 km (0.068 R)
• M17: 14,909,223 km (0.093 R)
• M18: 15,598,420 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 12.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.82 AU - 2.76 AU

Year: 2203 Days

Day: 11.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,796,570 km

• M1: 151,692 km (0.082 R)
• M2: 792,719 km (0.074 R)
• M3: 1,338,303 km (0.104 R)
• M4: 1,796,970 km (0.074 R)
• M5: 2,224,969 km (0.1 R)
• M6: 2,640,402 km (0.04 R)
• M7: 3,074,386 km (0.108 R)
• M8: 4,568,719 km (0.047 R)
• M9: 5,328,377 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.8

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.14 AU - 5.76 AU

Year: 8090 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,796,570 km

• M1: 192,832 km (0.065 R)
• M2: 700,716 km (0.044 R)
• M3: 1,384,079 km (0.083 R)
• M4: 1,901,688 km (0.086 R)
• M5: 3,071,095 km (0.049 R)
• M6: 3,720,050 km (0.106 R)
• M7: 5,294,867 km (0.103 R)
• M8: 5,891,015 km (0.088 R)
• M9: 7,042,619 km (0.101 R)
• M10: 8,872,949 km (0.107 R)
• M11: 11,281,026 km (0.095 R)
• M12: 11,810,602 km (0.071 R)
• M13: 13,773,027 km (0.082 R)
• M14: 15,995,304 km (0.072 R)
• M15: 18,280,261 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.7

Radius: 3.6

Gravity: 72.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.17 AU - 8.37 AU

Year: 11200 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,796,570 km

• M1: 45,777 km (0.09 R)
• M2: 358,137 km (0.067 R)
• M3: 640,279 km (0.063 R)
• M4: 1,505,403 km (0.11 R)
• M5: 2,129,077 km (0.117 R)
• M6: 3,100,117 km (0.074 R)
• M7: 3,480,544 km (0.066 R)
• M8: 3,948,337 km (0.11 R)
• M9: 4,488,235 km (0.054 R)
• M10: 4,940,769 km (0.112 R)
• M11: 9,196,080 km (0.083 R)
• M12: 9,451,743 km (0.101 R)
• M13: 9,607,325 km (0.047 R)
• M14: 10,030,687 km (0.067 R)
• M15: 11,849,199 km (0.045 R)
• M16: 15,756,396 km (0.098 R)
• M17: 19,674,663 km (0.108 R)
• M18: 20,270,362 km (0.068 R)
• M19: 21,230,631 km (0.09 R)
• M20: 23,335,473 km (0.117 R)
• M21: 23,715,152 km (0.106 R)
• M22: 27,954,457 km (0.071 R)
• M23: 29,362,322 km (0.082 R)
• M24: 31,503,965 km (0.097 R)
• M25: 48,088,834 km (0.119 R)
• M26: 49,323,316 km (0.101 R)
• M27: 54,472,624 km (0.092 R)
• M28: 54,639,126 km (0.052 R)
• M29: 55,476,426 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.5

Radius: 4.2

Gravity: 28.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.63 AU - 9.05 AU

Year: 16711 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,796,570 km

• M1: 58,493 km (0.109 R)
• M2: 296,353 km (0.097 R)
• M3: 575,503 km (0.071 R)
• M4: 830,567 km (0.104 R)
• M5: 1,095,356 km (0.054 R)
• M6: 1,414,448 km (0.11 R)
• M7: 1,692,401 km (0.085 R)
• M8: 1,844,392 km (0.062 R)
• M9: 3,518,692 km (0.117 R)
• M10: 4,983,554 km (0.068 R)
• M11: 5,964,916 km (0.027 R)
• M12: 6,521,270 km (0.069 R)
• M13: 8,495,214 km (0.115 R)
• M14: 8,792,016 km (0.078 R)
• M15: 10,950,115 km (0.091 R)
• M16: 11,420,451 km (0.107 R)
• M17: 12,912,391 km (0.111 R)
• M18: 13,304,636 km (0.103 R)
• M19: 14,044,398 km (0.091 R)
• M20: 16,966,194 km (0.113 R)
• M21: 17,357,691 km (0.06 R)
• M22: 18,900,494 km (0.063 R)
• M23: 19,236,641 km (0.047 R)
• M24: 21,427,950 km (0.105 R)
• M25: 22,819,510 km (0.086 R)
• M26: 23,780,078 km (0.11 R)
• M27: 23,975,303 km (0.113 R)
• M28: 29,212,425 km (0.105 R)
• M29: 31,622,148 km (0.094 R)
• M30: 33,300,187 km (0.057 R)
• M31: 35,416,548 km (0.064 R)
• M32: 37,356,832 km (0.095 R)
• M33: 38,554,363 km (0.09 R)
• M34: 39,094,711 km (0.085 R)
• M35: 39,777,326 km (0.119 R)
• M36: 44,482,628 km (0.059 R)
• M37: 45,076,980 km (0.114 R)
• M38: 49,386,745 km (0.099 R)
• M39: 55,491,984 km (0.063 R)
• M40: 59,709,746 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 16,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit