🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 13.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,802,671 km

• M1: 164,558 km (0.094 R)
• M2: 590,762 km (0.112 R)
• M3: 1,057,358 km (0.112 R)
• M4: 1,539,960 km (0.108 R)
• M5: 2,236,787 km (0.042 R)
• M6: 2,950,968 km (0.108 R)
• M7: 3,406,942 km (0.1 R)
• M8: 4,864,624 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 10.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.95 AU - 1.15 AU

Year: 756 Days

Day: 10.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,802,671 km

• M1: 131,796 km (0.06 R)
• M2: 1,131,409 km (0.073 R)
• M3: 1,501,813 km (0.095 R)
• M4: 2,189,963 km (0.107 R)
• M5: 3,009,012 km (0.079 R)
• M6: 3,441,948 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 14.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.95 AU - 1.17 AU

Year: 767 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,802,671 km

• M1: 175,329 km (0.091 R)
• M2: 626,965 km (0.103 R)
• M3: 1,151,156 km (0.031 R)
• M4: 1,758,224 km (0.113 R)
• M5: 2,459,838 km (0.106 R)
• M6: 2,947,228 km (0.092 R)
• M7: 3,635,378 km (0.112 R)
• M8: 4,663,265 km (0.107 R)
• M9: 5,894,605 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.88 AU - 2.74 AU

Year: 2468 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,802,671 km

• M1: 187,297 km (0.075 R)
• M2: 520,750 km (0.095 R)
• M3: 949,647 km (0.101 R)
• M4: 2,260,125 km (0.074 R)
• M5: 2,595,822 km (0.061 R)
• M6: 3,687,737 km (0.052 R)
• M7: 4,123,217 km (0.106 R)
• M8: 5,060,148 km (0.09 R)
• M9: 5,759,668 km (0.046 R)
• M10: 9,411,052 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397

Radius: 11.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.3 AU - 5.64 AU

Year: 7788 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,802,671 km

• M1: 140,772 km (0.099 R)
• M2: 817,253 km (0.109 R)
• M3: 1,901,688 km (0.102 R)
• M4: 2,279,273 km (0.104 R)
• M5: 5,269,435 km (0.06 R)
• M6: 8,847,368 km (0.094 R)
• M7: 11,206,825 km (0.104 R)
• M8: 13,407,560 km (0.097 R)
• M9: 15,222,331 km (0.112 R)
• M10: 22,171,751 km (0.107 R)
• M11: 23,098,210 km (0.102 R)
• M12: 26,976,834 km (0.086 R)
• M13: 29,575,200 km (0.11 R)
• M14: 31,173,653 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.3

Radius: 5.4

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5 AU - 6.14 AU

Year: 9240 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,802,671 km

• M1: 67,469 km (0.082 R)
• M2: 424,110 km (0.095 R)
• M3: 739,612 km (0.117 R)
• M4: 1,107,772 km (0.091 R)
• M5: 1,683,425 km (0.112 R)
• M6: 3,208,126 km (0.084 R)
• M7: 3,401,257 km (0.061 R)
• M8: 3,930,385 km (0.098 R)
• M9: 4,252,768 km (0.087 R)
• M10: 4,978,916 km (0.088 R)
• M11: 5,238,319 km (0.117 R)
• M12: 7,204,933 km (0.056 R)
• M13: 12,100,224 km (0.092 R)
• M14: 16,836,044 km (0.117 R)
• M15: 20,040,729 km (0.107 R)
• M16: 22,911,512 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.9

Radius: 5.6

Gravity: 19.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.81 AU - 6.57 AU

Year: 9541 Days

Day: 17.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,802,671 km

• M1: 83,027 km (0.102 R)
• M2: 343,626 km (0.112 R)
• M3: 552,315 km (0.07 R)
• M4: 855,550 km (0.095 R)
• M5: 1,467,256 km (0.117 R)
• M6: 2,825,605 km (0.092 R)
• M7: 3,018,287 km (0.087 R)
• M8: 3,219,795 km (0.115 R)
• M9: 3,430,279 km (0.099 R)
• M10: 3,775,850 km (0.103 R)
• M11: 4,624,070 km (0.086 R)
• M12: 5,966,711 km (0.087 R)
• M13: 6,466,667 km (0.028 R)
• M14: 6,764,816 km (0.094 R)
• M15: 11,145,041 km (0.106 R)
• M16: 12,181,007 km (0.074 R)
• M17: 12,463,896 km (0.096 R)
• M18: 12,693,379 km (0.101 R)
• M19: 13,761,359 km (0.062 R)
• M20: 15,016,784 km (0.117 R)
• M21: 17,110,556 km (0.117 R)
• M22: 21,701,116 km (0.098 R)
• M23: 22,033,522 km (0.084 R)
• M24: 22,623,237 km (0.1 R)
• M25: 24,545,420 km (0.118 R)
• M26: 24,906,250 km (0.078 R)
• M27: 31,382,043 km (0.067 R)
• M28: 33,325,020 km (0.11 R)
• M29: 34,213,781 km (0.103 R)
• M30: 35,576,318 km (0.088 R)
• M31: 36,038,576 km (0.082 R)
• M32: 37,092,942 km (0.111 R)
• M33: 39,880,698 km (0.059 R)
• M34: 43,987,010 km (0.098 R)
• M35: 44,252,696 km (0.085 R)
• M36: 44,787,209 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.9

Radius: 5

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.82 AU - 6.98 AU

Year: 11381 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,802,671 km

• M1: 64,028 km (0.081 R)
• M2: 293,361 km (0.107 R)
• M3: 595,699 km (0.106 R)
• M4: 842,535 km (0.081 R)
• M5: 2,047,097 km (0.072 R)
• M6: 2,394,613 km (0.075 R)
• M7: 2,954,708 km (0.112 R)
• M8: 3,277,540 km (0.082 R)
• M9: 3,831,949 km (0.12 R)
• M10: 4,215,967 km (0.118 R)
• M11: 5,556,663 km (0.084 R)
• M12: 6,230,901 km (0.104 R)
• M13: 6,454,699 km (0.087 R)
• M14: 7,077,924 km (0.114 R)
• M15: 8,534,110 km (0.12 R)
• M16: 8,856,942 km (0.102 R)
• M17: 13,330,217 km (0.113 R)
• M18: 13,702,118 km (0.098 R)
• M19: 15,462,137 km (0.081 R)
• M20: 18,262,459 km (0.113 R)
• M21: 18,875,811 km (0.119 R)
• M22: 23,830,791 km (0.073 R)
• M23: 27,145,132 km (0.111 R)
• M24: 27,442,682 km (0.08 R)
• M25: 28,246,920 km (0.074 R)
• M26: 29,692,036 km (0.044 R)
• M27: 32,616,973 km (0.119 R)
• M28: 33,405,354 km (0.109 R)
• M29: 33,861,628 km (0.08 R)
• M30: 35,373,165 km (0.116 R)
• M31: 35,728,160 km (0.108 R)
• M32: 38,405,065 km (0.079 R)
• M33: 38,780,256 km (0.057 R)
• M34: 39,664,828 km (0.101 R)
• M35: 40,692,416 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494

Radius: 6.1

Gravity: 13.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.35 AU - 7.29 AU

Year: 12519 Days

Day: 15.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,802,671 km

• M1: 76,295 km (0.106 R)
• M2: 287,826 km (0.072 R)
• M3: 731,234 km (0.093 R)
• M4: 1,408,464 km (0.096 R)
• M5: 1,634,058 km (0.089 R)
• M6: 1,851,274 km (0.094 R)
• M7: 2,306,350 km (0.098 R)
• M8: 2,965,479 km (0.085 R)
• M9: 4,558,546 km (0.062 R)
• M10: 6,196,194 km (0.108 R)
• M11: 7,045,461 km (0.111 R)
• M12: 7,248,914 km (0.112 R)
• M13: 7,926,294 km (0.075 R)
• M14: 11,281,026 km (0.092 R)
• M15: 12,364,713 km (0.049 R)
• M16: 15,821,172 km (0.081 R)
• M17: 17,619,637 km (0.109 R)
• M18: 18,222,816 km (0.096 R)
• M19: 18,684,176 km (0.119 R)
• M20: 19,470,312 km (0.098 R)
• M21: 21,702,911 km (0.06 R)
• M22: 22,134,202 km (0.118 R)
• M23: 23,014,136 km (0.116 R)
• M24: 26,375,002 km (0.08 R)
• M25: 26,965,315 km (0.097 R)
• M26: 27,363,695 km (0.097 R)
• M27: 27,968,519 km (0.054 R)
• M28: 40,958,251 km (0.073 R)
• M29: 45,718,007 km (0.097 R)
• M30: 46,855,399 km (0.113 R)
• M31: 49,038,780 km (0.07 R)
• M32: 49,483,535 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244

Radius: 7.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.4 AU - 9.12 AU

Year: 16687 Days

Day: 18.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,802,671 km

• M1: 89,160 km (0.044 R)
• M2: 415,583 km (0.056 R)
• M3: 668,852 km (0.104 R)
• M4: 2,706,525 km (0.042 R)
• M5: 4,582,781 km (0.103 R)
• M6: 5,073,761 km (0.119 R)
• M7: 5,299,505 km (0.094 R)
• M8: 5,840,450 km (0.108 R)
• M9: 6,875,069 km (0.045 R)
• M10: 7,727,478 km (0.109 R)
• M11: 8,648,552 km (0.116 R)
• M12: 8,971,235 km (0.114 R)
• M13: 9,838,154 km (0.116 R)
• M14: 10,446,270 km (0.108 R)
• M15: 10,865,443 km (0.081 R)
• M16: 13,743,706 km (0.047 R)
• M17: 14,827,991 km (0.111 R)
• M18: 15,157,555 km (0.099 R)
• M19: 17,897,590 km (0.112 R)
• M20: 21,449,941 km (0.079 R)
• M21: 23,882,402 km (0.107 R)
• M22: 25,258,254 km (0.073 R)
• M23: 30,755,976 km (0.088 R)
• M24: 31,292,135 km (0.03 R)
• M25: 32,715,259 km (0.098 R)
• M26: 33,386,505 km (0.106 R)
• M27: 40,611,035 km (0.086 R)
• M28: 42,171,191 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 18,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit