🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.62 AU

Year: 239 Days

Day: 31.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.56 AU - 0.78 AU

Year: 360 Days

Day: 44.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 10.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.67 AU - 0.79 AU

Year: 409 Days

Day: 10.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,893,882 km

• M1: 134,339 km (0.103 R)
• M2: 489,634 km (0.105 R)
• M3: 924,066 km (0.104 R)
• M4: 1,503,758 km (0.046 R)
• M5: 2,031,240 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 14.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 487 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,893,882 km

• M1: 176,525 km (0.099 R)
• M2: 641,176 km (0.119 R)
• M3: 1,111,213 km (0.101 R)
• M4: 1,721,423 km (0.118 R)
• M5: 2,572,784 km (0.118 R)
• M6: 3,990,972 km (0.1 R)
• M7: 4,816,453 km (0.09 R)
• M8: 6,236,885 km (0.083 R)
• M9: 6,951,514 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 10.1

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 532 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,893,882 km

• M1: 125,812 km (0.069 R)
• M2: 468,241 km (0.047 R)
• M3: 891,005 km (0.096 R)
• M4: 1,206,208 km (0.117 R)
• M5: 2,055,774 km (0.072 R)
• M6: 2,442,784 km (0.059 R)
• M7: 2,936,307 km (0.073 R)
• M8: 3,377,920 km (0.098 R)
• M9: 3,849,602 km (0.102 R)
• M10: 4,551,814 km (0.092 R)
• M11: 5,301,898 km (0.115 R)
• M12: 6,712,008 km (0.113 R)
• M13: 7,570,999 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 9.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.88 AU - 2.34 AU

Year: 2011 Days

Day: 11.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,893,882 km

• M1: 123,119 km (0.103 R)
• M2: 447,148 km (0.092 R)
• M3: 854,802 km (0.102 R)
• M4: 1,266,496 km (0.1 R)
• M5: 2,223,473 km (0.033 R)
• M6: 2,585,500 km (0.105 R)
• M7: 3,049,852 km (0.076 R)
• M8: 4,468,189 km (0.113 R)
• M9: 4,850,113 km (0.118 R)
• M10: 6,154,456 km (0.116 R)
• M11: 7,240,537 km (0.071 R)
• M12: 7,560,377 km (0.097 R)
• M13: 7,889,792 km (0.066 R)
• M14: 8,577,493 km (0.094 R)
• M15: 9,102,282 km (0.107 R)
• M16: 9,509,937 km (0.054 R)
• M17: 10,434,900 km (0.055 R)
• M18: 11,340,865 km (0.106 R)
• M19: 12,339,580 km (0.096 R)
• M20: 13,094,152 km (0.057 R)
• M21: 13,879,092 km (0.108 R)
• M22: 15,304,311 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 12.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.46 AU - 5.22 AU

Year: 6985 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,893,882 km

• M1: 156,779 km (0.114 R)
• M2: 563,386 km (0.115 R)
• M3: 999,763 km (0.091 R)
• M4: 2,793,291 km (0.11 R)
• M5: 3,878,474 km (0.109 R)
• M6: 5,057,006 km (0.11 R)
• M7: 6,232,247 km (0.117 R)
• M8: 6,628,382 km (0.076 R)
• M9: 8,034,004 km (0.092 R)
• M10: 8,868,760 km (0.087 R)
• M11: 9,629,615 km (0.12 R)
• M12: 10,946,525 km (0.083 R)
• M13: 11,427,333 km (0.065 R)
• M14: 12,796,751 km (0.078 R)
• M15: 13,768,689 km (0.091 R)
• M16: 15,677,558 km (0.106 R)
• M17: 16,351,346 km (0.102 R)
• M18: 21,027,477 km (0.027 R)
• M19: 24,926,745 km (0.114 R)
• M20: 25,592,306 km (0.087 R)
• M21: 26,441,124 km (0.047 R)
• M22: 29,931,392 km (0.099 R)
• M23: 33,818,992 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.1

Radius: 6.3

Gravity: 21.75 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.93 AU - 9.71 AU

Year: 15743 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,893,882 km

• M1: 96,640 km (0.104 R)
• M2: 434,432 km (0.096 R)
• M3: 717,322 km (0.096 R)
• M4: 1,107,473 km (0.082 R)
• M5: 1,395,599 km (0.073 R)
• M6: 2,025,106 km (0.035 R)
• M7: 2,436,650 km (0.099 R)
• M8: 3,182,994 km (0.086 R)
• M9: 5,080,344 km (0.029 R)
• M10: 5,375,201 km (0.083 R)
• M11: 6,287,150 km (0.116 R)
• M12: 9,749,293 km (0.119 R)
• M13: 10,032,632 km (0.054 R)
• M14: 10,556,523 km (0.094 R)
• M15: 10,915,708 km (0.059 R)
• M16: 12,500,847 km (0.033 R)
• M17: 16,120,218 km (0.078 R)
• M18: 20,381,962 km (0.026 R)
• M19: 21,127,109 km (0.11 R)
• M20: 24,083,013 km (0.081 R)
• M21: 24,392,980 km (0.107 R)
• M22: 24,705,490 km (0.096 R)
• M23: 26,969,205 km (0.109 R)
• M24: 27,191,657 km (0.111 R)
• M25: 33,803,135 km (0.092 R)
• M26: 38,948,554 km (0.09 R)
• M27: 41,115,479 km (0.077 R)
• M28: 42,303,435 km (0.086 R)
• M29: 43,514,131 km (0.114 R)
• M30: 47,933,402 km (0.115 R)
• M31: 48,752,899 km (0.115 R)
• M32: 59,138,731 km (0.088 R)
• M33: 59,514,521 km (0.032 R)
• M34: 60,842,202 km (0.084 R)
• M35: 62,383,808 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.1

Radius: 5.4

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.81 AU - 9.47 AU

Year: 16660 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,893,882 km

• M1: 73,153 km (0.089 R)
• M2: 251,324 km (0.048 R)
• M3: 422,913 km (0.071 R)
• M4: 598,092 km (0.074 R)
• M5: 797,357 km (0.083 R)
• M6: 1,051,523 km (0.109 R)
• M7: 1,434,494 km (0.082 R)
• M8: 1,680,134 km (0.108 R)
• M9: 1,859,202 km (0.043 R)
• M10: 2,531,645 km (0.107 R)
• M11: 4,098,982 km (0.088 R)
• M12: 5,446,260 km (0.103 R)
• M13: 6,290,740 km (0.085 R)
• M14: 6,469,510 km (0.108 R)
• M15: 10,851,979 km (0.104 R)
• M16: 11,852,639 km (0.081 R)
• M17: 12,347,359 km (0.114 R)
• M18: 13,914,547 km (0.084 R)
• M19: 15,093,827 km (0.1 R)
• M20: 15,544,565 km (0.1 R)
• M21: 15,938,008 km (0.07 R)
• M22: 17,649,258 km (0.098 R)
• M23: 21,512,922 km (0.084 R)
• M24: 24,117,421 km (0.042 R)
• M25: 24,468,078 km (0.114 R)
• M26: 25,450,039 km (0.081 R)
• M27: 28,748,672 km (0.086 R)
• M28: 32,640,909 km (0.111 R)
• M29: 35,951,061 km (0.116 R)
• M30: 36,985,979 km (0.094 R)
• M31: 37,218,753 km (0.098 R)
• M32: 40,333,082 km (0.071 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.6

Radius: 7

Gravity: 18.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.36 AU - 12.76 AU

Year: 22512 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,893,882 km

• M1: 87,066 km (0.045 R)
• M2: 576,700 km (0.119 R)
• M3: 849,417 km (0.078 R)
• M4: 1,375,702 km (0.102 R)
• M5: 1,702,274 km (0.046 R)
• M6: 2,660,299 km (0.052 R)
• M7: 2,893,971 km (0.12 R)
• M8: 3,871,892 km (0.103 R)
• M9: 7,530,458 km (0.117 R)
• M10: 9,292,571 km (0.083 R)
• M11: 9,711,894 km (0.067 R)
• M12: 10,019,018 km (0.11 R)
• M13: 10,459,883 km (0.106 R)
• M14: 13,008,283 km (0.119 R)
• M15: 13,381,679 km (0.091 R)
• M16: 17,609,465 km (0.107 R)
• M17: 20,073,042 km (0.108 R)
• M18: 20,471,571 km (0.113 R)
• M19: 24,410,333 km (0.102 R)
• M20: 26,616,752 km (0.04 R)
• M21: 36,038,127 km (0.115 R)
• M22: 38,430,795 km (0.075 R)
• M23: 39,510,144 km (0.115 R)
• M24: 40,293,289 km (0.115 R)
• M25: 42,052,709 km (0.113 R)
• M26: 43,198,629 km (0.069 R)
• M27: 44,029,945 km (0.11 R)
• M28: 44,702,537 km (0.099 R)
• M29: 45,211,319 km (0.074 R)
• M30: 48,168,420 km (0.073 R)
• M31: 51,067,178 km (0.111 R)
• M32: 51,623,233 km (0.071 R)
• M33: 54,079,929 km (0.116 R)
• M34: 62,126,201 km (0.097 R)
• M35: 67,095,692 km (0.097 R)
• M36: 73,730,956 km (0.107 R)
• M37: 83,581,677 km (0.097 R)
• M38: 84,871,510 km (0.073 R)
• M39: 89,624,683 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 11,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit