🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 11.7

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 9.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,805,333 km

• M1: 145,559 km (0.049 R)
• M2: 688,150 km (0.104 R)
• M3: 1,213,987 km (0.046 R)
• M4: 1,659,788 km (0.116 R)
• M5: 2,061,309 km (0.055 R)
• M6: 2,624,695 km (0.035 R)
• M7: 2,997,044 km (0.104 R)
• M8: 3,534,250 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 15

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.74 AU - 0.84 AU

Year: 468 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,805,333 km

• M1: 189,989 km (0.101 R)
• M2: 672,143 km (0.098 R)
• M3: 1,180,178 km (0.113 R)
• M4: 1,662,631 km (0.074 R)
• M5: 2,248,755 km (0.078 R)
• M6: 2,877,515 km (0.116 R)
• M7: 3,524,077 km (0.09 R)
• M8: 4,119,776 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.58 AU

Year: 954 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,805,333 km

• M1: 99,483 km (0.11 R)
• M2: 968,048 km (0.107 R)
• M3: 1,227,750 km (0.097 R)
• M4: 1,573,470 km (0.088 R)
• M5: 2,184,578 km (0.047 R)
• M6: 2,452,657 km (0.044 R)
• M7: 2,708,170 km (0.106 R)
• M8: 3,208,276 km (0.112 R)
• M9: 3,598,128 km (0.086 R)
• M10: 3,944,447 km (0.112 R)
• M11: 4,265,484 km (0.12 R)
• M12: 4,703,955 km (0.11 R)
• M13: 5,262,255 km (0.084 R)
• M14: 5,652,107 km (0.061 R)
• M15: 5,942,177 km (0.099 R)
• M16: 7,070,145 km (0.097 R)
• M17: 8,041,484 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 8.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.19 AU - 1.71 AU

Year: 1164 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,805,333 km

• M1: 109,206 km (0.078 R)
• M2: 440,267 km (0.073 R)
• M3: 804,388 km (0.049 R)
• M4: 1,169,556 km (0.096 R)
• M5: 1,438,683 km (0.063 R)
• M6: 1,917,546 km (0.101 R)
• M7: 2,296,327 km (0.093 R)
• M8: 3,397,966 km (0.1 R)
• M9: 5,268,538 km (0.044 R)
• M10: 5,943,075 km (0.111 R)
• M11: 6,254,537 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 11.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.5 AU - 3.02 AU

Year: 3058 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,805,333 km

• M1: 148,102 km (0.081 R)
• M2: 572,810 km (0.036 R)
• M3: 1,248,394 km (0.104 R)
• M4: 2,079,560 km (0.051 R)
• M5: 2,543,762 km (0.11 R)
• M6: 3,897,773 km (0.087 R)
• M7: 4,508,880 km (0.097 R)
• M8: 5,249,539 km (0.082 R)
• M9: 5,803,051 km (0.084 R)
• M10: 8,386,307 km (0.097 R)
• M11: 11,848,750 km (0.119 R)
• M12: 14,155,399 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 12.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.01 AU - 4.75 AU

Year: 5097 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,805,333 km

• M1: 157,078 km (0.093 R)
• M2: 835,355 km (0.115 R)
• M3: 1,401,283 km (0.061 R)
• M4: 1,877,603 km (0.061 R)
• M5: 2,344,647 km (0.071 R)
• M6: 2,790,299 km (0.075 R)
• M7: 3,556,390 km (0.082 R)
• M8: 4,435,726 km (0.057 R)
• M9: 4,878,835 km (0.1 R)
• M10: 5,325,834 km (0.097 R)
• M11: 5,882,039 km (0.112 R)
• M12: 6,302,857 km (0.06 R)
• M13: 6,895,415 km (0.115 R)
• M14: 8,826,274 km (0.105 R)
• M15: 9,683,919 km (0.058 R)
• M16: 11,221,785 km (0.058 R)
• M17: 13,582,439 km (0.053 R)
• M18: 14,370,970 km (0.104 R)
• M19: 15,770,757 km (0.117 R)
• M20: 16,421,209 km (0.032 R)
• M21: 17,660,328 km (0.111 R)
• M22: 19,510,704 km (0.111 R)
• M23: 20,324,068 km (0.1 R)
• M24: 22,219,622 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.7

Radius: 14.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.77 AU - 4.47 AU

Year: 5577 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,805,333 km

• M1: 186,399 km (0.041 R)
• M2: 680,820 km (0.041 R)
• M3: 1,680,882 km (0.026 R)
• M4: 2,264,463 km (0.091 R)
• M5: 2,982,533 km (0.068 R)
• M6: 4,536,555 km (0.086 R)
• M7: 5,282,002 km (0.076 R)
• M8: 6,082,649 km (0.078 R)
• M9: 9,727,901 km (0.074 R)
• M10: 10,520,321 km (0.045 R)
• M11: 11,008,459 km (0.109 R)
• M12: 14,583,698 km (0.073 R)
• M13: 16,061,276 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 9.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.69 AU - 4.85 AU

Year: 6947 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 93,805,333 km

• M1: 115,639 km (0.092 R)
• M2: 1,003,353 km (0.114 R)
• M3: 1,304,793 km (0.109 R)
• M4: 2,021,516 km (0.061 R)
• M5: 10,032,033 km (0.097 R)
• M6: 10,587,041 km (0.117 R)
• M7: 11,408,334 km (0.083 R)
• M8: 13,341,737 km (0.118 R)
• M9: 14,824,850 km (0.111 R)
• M10: 17,448,048 km (0.059 R)
• M11: 18,455,441 km (0.069 R)
• M12: 18,869,079 km (0.033 R)
• M13: 23,113,320 km (0.075 R)
• M14: 26,271,780 km (0.097 R)
• M15: 27,683,684 km (0.11 R)
• M16: 32,123,300 km (0.109 R)
• M17: 32,722,141 km (0.107 R)
• M18: 33,634,388 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.8

Radius: 6

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.17 AU - 7.93 AU

Year: 12483 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 118.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 93,805,333 km

• M1: 74,649 km (0.089 R)
• M2: 319,691 km (0.079 R)
• M3: 627,862 km (0.084 R)
• M4: 921,373 km (0.075 R)
• M5: 1,648,718 km (0.097 R)
• M6: 1,851,124 km (0.086 R)
• M7: 2,141,045 km (0.104 R)
• M8: 2,421,541 km (0.105 R)
• M9: 2,769,057 km (0.117 R)
• M10: 3,056,584 km (0.085 R)
• M11: 3,563,421 km (0.082 R)
• M12: 4,152,687 km (0.098 R)
• M13: 5,090,367 km (0.07 R)
• M14: 5,907,770 km (0.112 R)
• M15: 6,692,111 km (0.101 R)
• M16: 7,376,073 km (0.12 R)
• M17: 9,608,073 km (0.1 R)
• M18: 10,164,727 km (0.095 R)
• M19: 13,585,880 km (0.098 R)
• M20: 14,351,672 km (0.119 R)
• M21: 15,011,548 km (0.052 R)
• M22: 17,332,708 km (0.112 R)
• M23: 19,481,233 km (0.077 R)
• M24: 21,036,303 km (0.057 R)
• M25: 23,295,979 km (0.048 R)
• M26: 27,379,552 km (0.081 R)
• M27: 30,066,778 km (0.098 R)
• M28: 32,924,846 km (0.077 R)
• M29: 37,915,880 km (0.052 R)
• M30: 42,441,963 km (0.032 R)
• M31: 46,740,359 km (0.118 R)
• M32: 49,364,605 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.2

Radius: 7.7

Gravity: 16.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.24 AU - 11.02 AU

Year: 23112 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,805,333 km

• M1: 96,491 km (0.091 R)
• M2: 405,709 km (0.118 R)
• M3: 708,496 km (0.083 R)
• M4: 988,692 km (0.029 R)
• M5: 1,440,328 km (0.095 R)
• M6: 2,651,323 km (0.075 R)
• M7: 2,914,615 km (0.108 R)
• M8: 4,323,678 km (0.107 R)
• M9: 4,652,643 km (0.106 R)
• M10: 5,959,231 km (0.077 R)
• M11: 7,703,393 km (0.085 R)
• M12: 8,242,693 km (0.03 R)
• M13: 9,157,783 km (0.078 R)
• M14: 10,786,605 km (0.107 R)
• M15: 11,669,382 km (0.091 R)
• M16: 12,236,208 km (0.066 R)
• M17: 13,424,763 km (0.107 R)
• M18: 14,851,628 km (0.096 R)
• M19: 20,847,361 km (0.103 R)
• M20: 22,864,389 km (0.075 R)
• M21: 23,305,104 km (0.041 R)
• M22: 25,358,634 km (0.109 R)
• M23: 27,405,881 km (0.109 R)
• M24: 33,919,672 km (0.084 R)
• M25: 37,609,204 km (0.027 R)
• M26: 41,557,690 km (0.078 R)
• M27: 43,044,244 km (0.058 R)
• M28: 45,948,238 km (0.05 R)
• M29: 47,003,651 km (0.094 R)
• M30: 47,895,404 km (0.091 R)
• M31: 51,387,018 km (0.061 R)
• M32: 55,242,006 km (0.03 R)
• M33: 60,956,495 km (0.091 R)
• M34: 63,089,312 km (0.111 R)
• M35: 71,179,265 km (0.119 R)
• M36: 79,933,583 km (0.042 R)
• M37: 81,459,182 km (0.102 R)
• M38: 82,229,162 km (0.104 R)
• M39: 87,218,850 km (0.063 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: 330 - 18,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit