🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.53 AU - 0.59 AU

Year: 275 Days

Day: 28.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.75 AU

Year: 305 Days

Day: 12.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 13.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.61 AU - 0.75 AU

Year: 368 Days

Day: 11.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 6,269,050 km

• M1: 184,604 km (0.099 R)
• M2: 275,410 km (0.08 R)
• M3: 377,585 km (0.116 R)
• M4: 477,965 km (0.067 R)
• M5: 573,857 km (0.027 R)
• M6: 808,427 km (0.104 R)
• M7: 965,205 km (0.027 R)
• M8: 1,093,261 km (0.097 R)
• M9: 1,245,851 km (0.108 R)
• M10: 1,420,581 km (0.107 R)
• M11: 1,508,695 km (0.103 R)
• M12: 1,664,875 km (0.094 R)
• M13: 1,923,230 km (0.093 R)
• M14: 2,005,060 km (0.079 R)
• M15: 2,361,702 km (0.12 R)
• M16: 2,497,088 km (0.081 R)
• M17: 2,665,535 km (0.075 R)
• M18: 2,763,521 km (0.109 R)
• M19: 2,862,705 km (0.086 R)
• M20: 2,963,085 km (0.062 R)
• M21: 3,090,393 km (0.08 R)
• M22: 3,193,615 km (0.096 R)
• M23: 3,317,632 km (0.079 R)
• M24: 3,416,666 km (0.095 R)
• M25: 3,618,025 km (0.099 R)
• M26: 3,720,050 km (0.109 R)
• M27: 3,850,799 km (0.054 R)
• M28: 3,948,187 km (0.111 R)
• M29: 4,095,840 km (0.084 R)
• M30: 4,195,173 km (0.115 R)
• M31: 4,331,457 km (0.111 R)
• M32: 4,432,884 km (0.058 R)
• M33: 4,726,994 km (0.055 R)
• M34: 4,808,973 km (0.118 R)
• M35: 4,906,511 km (0.093 R)
• M36: 5,012,277 km (0.102 R)
• M37: 5,280,206 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 9.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.91 AU - 1.17 AU

Year: 696 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 6,269,050 km

• M1: 121,773 km (0.102 R)
• M2: 181,612 km (0.113 R)
• M3: 289,921 km (0.106 R)
• M4: 407,056 km (0.057 R)
• M5: 523,443 km (0.108 R)
• M6: 652,097 km (0.117 R)
• M7: 725,101 km (0.101 R)
• M8: 894,296 km (0.114 R)
• M9: 976,425 km (0.043 R)
• M10: 1,046,138 km (0.072 R)
• M11: 1,287,738 km (0.051 R)
• M12: 1,348,176 km (0.109 R)
• M13: 1,437,785 km (0.109 R)
• M14: 1,500,766 km (0.054 R)
• M15: 1,605,634 km (0.112 R)
• M16: 1,743,414 km (0.074 R)
• M17: 1,960,779 km (0.08 R)
• M18: 2,063,104 km (0.032 R)
• M19: 2,160,642 km (0.114 R)
• M20: 2,246,511 km (0.05 R)
• M21: 2,306,650 km (0.082 R)
• M22: 2,531,794 km (0.1 R)
• M23: 2,756,939 km (0.085 R)
• M24: 2,835,927 km (0.12 R)
• M25: 2,937,504 km (0.074 R)
• M26: 3,099,668 km (0.117 R)
• M27: 3,189,427 km (0.104 R)
• M28: 3,348,449 km (0.074 R)
• M29: 3,432,822 km (0.082 R)
• M30: 3,706,138 km (0.116 R)
• M31: 3,769,717 km (0.073 R)
• M32: 3,849,602 km (0.118 R)
• M33: 3,921,858 km (0.106 R)
• M34: 4,019,096 km (0.047 R)
• M35: 4,117,083 km (0.11 R)
• M36: 4,323,977 km (0.065 R)
• M37: 4,382,470 km (0.056 R)
• M38: 4,610,756 km (0.091 R)
• M39: 4,722,057 km (0.096 R)
• M40: 4,834,255 km (0.036 R)
• M41: 4,912,345 km (0.036 R)
• M42: 5,070,021 km (0.118 R)
• M43: 5,211,691 km (0.108 R)
• M44: 5,408,561 km (0.084 R)
• M45: 5,489,793 km (0.038 R)
• M46: 5,635,202 km (0.089 R)
• M47: 5,772,683 km (0.081 R)
• M48: 6,060,509 km (0.109 R)
• M49: 6,229,704 km (0.116 R)
• M50: 6,496,138 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 12.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1 AU - 1.24 AU

Year: 778 Days

Day: 14.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 6,269,050 km

• M1: 180,864 km (0.12 R)
• M2: 278,252 km (0.111 R)
• M3: 441,912 km (0.076 R)
• M4: 535,560 km (0.113 R)
• M5: 647,011 km (0.111 R)
• M6: 742,903 km (0.114 R)
• M7: 839,244 km (0.041 R)
• M8: 1,126,622 km (0.102 R)
• M9: 1,251,835 km (0.073 R)
• M10: 1,382,135 km (0.048 R)
• M11: 1,471,594 km (0.107 R)
• M12: 1,583,194 km (0.05 R)
• M13: 1,718,132 km (0.083 R)
• M14: 1,815,071 km (0.048 R)
• M15: 2,021,815 km (0.116 R)
• M16: 2,191,609 km (0.074 R)
• M17: 2,297,375 km (0.111 R)
• M18: 2,474,798 km (0.117 R)
• M19: 2,664,936 km (0.096 R)
• M20: 2,769,954 km (0.1 R)
• M21: 3,085,306 km (0.051 R)
• M22: 3,316,435 km (0.111 R)
• M23: 3,403,651 km (0.074 R)
• M24: 3,526,919 km (0.107 R)
• M25: 3,615,781 km (0.108 R)
• M26: 3,732,616 km (0.119 R)
• M27: 3,850,799 km (0.115 R)
• M28: 3,979,303 km (0.052 R)
• M29: 4,062,779 km (0.094 R)
• M30: 4,184,402 km (0.079 R)
• M31: 4,278,798 km (0.063 R)
• M32: 4,440,962 km (0.118 R)
• M33: 4,566,325 km (0.084 R)
• M34: 4,663,564 km (0.116 R)
• M35: 4,860,136 km (0.094 R)
• M36: 5,130,010 km (0.099 R)
• M37: 5,221,115 km (0.111 R)
• M38: 5,333,164 km (0.047 R)
• M39: 5,476,928 km (0.077 R)
• M40: 5,715,985 km (0.112 R)
• M41: 5,884,283 km (0.097 R)
• M42: 6,000,969 km (0.082 R)
• M43: 6,247,506 km (0.108 R)
• M44: 6,344,894 km (0.094 R)
• M45: 6,442,881 km (0.119 R)
• M46: 6,806,254 km (0.106 R)
• M47: 6,895,265 km (0.106 R)
• M48: 7,029,754 km (0.097 R)
• M49: 7,438,156 km (0.059 R)
• M50: 7,622,161 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 12.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.36 AU - 1.4 AU

Year: 1063 Days

Day: 11.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 147.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 6,269,050 km

• M1: 158,275 km (0.08 R)
• M2: 254,316 km (0.064 R)
• M3: 343,626 km (0.098 R)
• M4: 512,223 km (0.11 R)
• M5: 623,674 km (0.108 R)
• M6: 854,802 km (0.052 R)
• M7: 999,164 km (0.096 R)
• M8: 1,115,103 km (0.112 R)
• M9: 1,235,978 km (0.103 R)
• M10: 1,353,562 km (0.103 R)
• M11: 1,475,035 km (0.083 R)
• M12: 1,703,471 km (0.103 R)
• M13: 1,826,590 km (0.085 R)
• M14: 2,044,853 km (0.097 R)
• M15: 2,129,077 km (0.108 R)
• M16: 2,243,070 km (0.12 R)
• M17: 2,349,435 km (0.101 R)
• M18: 2,447,720 km (0.113 R)
• M19: 2,567,548 km (0.08 R)
• M20: 2,813,188 km (0.118 R)
• M21: 3,002,579 km (0.083 R)
• M22: 3,109,691 km (0.073 R)
• M23: 3,196,159 km (0.085 R)
• M24: 3,294,594 km (0.069 R)
• M25: 3,539,635 km (0.059 R)
• M26: 3,790,511 km (0.117 R)
• M27: 3,871,742 km (0.075 R)
• M28: 4,249,926 km (0.069 R)
• M29: 4,480,307 km (0.11 R)
• M30: 4,566,176 km (0.12 R)
• M31: 4,752,276 km (0.107 R)
• M32: 4,890,205 km (0.062 R)
• M33: 5,208,848 km (0.069 R)
• M34: 5,377,295 km (0.095 R)
• M35: 5,534,373 km (0.068 R)
• M36: 5,719,725 km (0.072 R)
• M37: 5,853,166 km (0.092 R)
• M38: 6,191,856 km (0.046 R)
• M39: 6,301,511 km (0.091 R)
• M40: 6,959,143 km (0.066 R)
• M41: 7,303,518 km (0.117 R)
• M42: 7,419,456 km (0.106 R)
• M43: 7,550,803 km (0.096 R)
• M44: 8,233,867 km (0.104 R)
• M45: 8,339,483 km (0.081 R)
• M46: 8,628,805 km (0.101 R)
• M47: 8,720,808 km (0.047 R)
• M48: 8,874,894 km (0.111 R)
• M49: 9,232,732 km (0.07 R)
• M50: 9,326,829 km (0.096 R)
• M51: 9,516,220 km (0.12 R)
• M52: 9,898,592 km (0.087 R)
• M53: 10,156,199 km (0.117 R)
• M54: 10,237,281 km (0.03 R)
• M55: 10,448,813 km (0.114 R)
• M56: 10,547,099 km (0.117 R)
• M57: 10,826,847 km (0.096 R)
• M58: 10,909,574 km (0.043 R)
• M59: 11,075,778 km (0.101 R)
• M60: 11,293,143 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 13.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.28 AU - 1.84 AU

Year: 1278 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 6,269,050 km

• M1: 169,345 km (0.102 R)
• M2: 260,749 km (0.106 R)
• M3: 508,184 km (0.116 R)
• M4: 611,107 km (0.072 R)
• M5: 922,720 km (0.088 R)
• M6: 1,025,344 km (0.07 R)
• M7: 1,264,102 km (0.12 R)
• M8: 1,358,498 km (0.108 R)
• M9: 1,566,140 km (0.116 R)
• M10: 1,685,519 km (0.098 R)
• M11: 1,861,596 km (0.11 R)
• M12: 1,951,953 km (0.119 R)
• M13: 2,062,655 km (0.085 R)
• M14: 2,219,733 km (0.09 R)
• M15: 2,381,149 km (0.086 R)
• M16: 2,493,049 km (0.101 R)
• M17: 2,819,022 km (0.117 R)
• M18: 2,952,015 km (0.056 R)
• M19: 3,058,379 km (0.079 R)
• M20: 3,482,190 km (0.114 R)
• M21: 4,265,035 km (0.118 R)
• M22: 4,581,734 km (0.102 R)
• M23: 4,664,162 km (0.096 R)
• M24: 4,755,417 km (0.11 R)
• M25: 4,897,685 km (0.069 R)
• M26: 4,999,112 km (0.12 R)
• M27: 5,126,719 km (0.111 R)
• M28: 5,394,050 km (0.098 R)
• M29: 5,710,151 km (0.103 R)
• M30: 5,861,693 km (0.065 R)
• M31: 6,195,895 km (0.037 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 17,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit