🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.4

Radius: 13.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.73 AU - 0.79 AU

Year: 457 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,730,368 km

• M1: 169,195 km (0.065 R)
• M2: 684,709 km (0.109 R)
• M3: 1,230,143 km (0.107 R)
• M4: 1,701,077 km (0.06 R)
• M5: 2,182,035 km (0.102 R)
• M6: 2,690,219 km (0.059 R)
• M7: 3,426,539 km (0.097 R)
• M8: 3,878,325 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.5

Radius: 8.4

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.67 AU - 0.87 AU

Year: 466 Days

Day: 13.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,730,368 km

• M1: 104,419 km (0.084 R)
• M2: 395,238 km (0.072 R)
• M3: 665,711 km (0.05 R)
• M4: 1,121,685 km (0.091 R)
• M5: 1,798,466 km (0.082 R)
• M6: 2,080,308 km (0.092 R)
• M7: 2,430,367 km (0.084 R)
• M8: 2,755,443 km (0.059 R)
• M9: 3,285,768 km (0.117 R)
• M10: 3,963,446 km (0.084 R)
• M11: 4,624,519 km (0.112 R)
• M12: 5,061,644 km (0.057 R)
• M13: 5,716,284 km (0.119 R)
• M14: 6,018,771 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.2

Radius: 10.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.71 AU - 0.97 AU

Year: 531 Days

Day: 5.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,730,368 km

• M1: 139,126 km (0.115 R)
• M2: 529,576 km (0.108 R)
• M3: 1,017,415 km (0.112 R)
• M4: 1,353,562 km (0.077 R)
• M5: 1,904,830 km (0.096 R)
• M6: 2,290,643 km (0.11 R)
• M7: 2,664,488 km (0.114 R)
• M8: 3,114,628 km (0.118 R)
• M9: 5,206,006 km (0.115 R)
• M10: 6,544,458 km (0.105 R)
• M11: 6,989,661 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 10.6

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.93 AU - 1.47 AU

Year: 907 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,730,368 km

• M1: 131,796 km (0.095 R)
• M2: 549,174 km (0.108 R)
• M3: 949,946 km (0.1 R)
• M4: 1,349,822 km (0.097 R)
• M5: 2,081,355 km (0.113 R)
• M6: 2,561,265 km (0.113 R)
• M7: 3,267,666 km (0.063 R)
• M8: 3,636,575 km (0.064 R)
• M9: 4,116,036 km (0.081 R)
• M10: 4,802,241 km (0.096 R)
• M11: 5,420,679 km (0.066 R)
• M12: 5,961,625 km (0.099 R)
• M13: 7,348,247 km (0.075 R)
• M14: 8,493,868 km (0.116 R)
• M15: 8,938,772 km (0.086 R)
• M16: 9,724,909 km (0.084 R)
• M17: 10,336,315 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 13.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.09 AU - 1.77 AU

Year: 1180 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,730,368 km

• M1: 166,652 km (0.098 R)
• M2: 611,706 km (0.115 R)
• M3: 1,170,603 km (0.058 R)
• M4: 1,736,532 km (0.111 R)
• M5: 2,445,776 km (0.049 R)
• M6: 3,148,586 km (0.101 R)
• M7: 4,142,365 km (0.12 R)
• M8: 4,824,232 km (0.08 R)
• M9: 5,579,851 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 9.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.51 AU - 2.21 AU

Year: 1751 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,730,368 km

• M1: 114,442 km (0.104 R)
• M2: 880,533 km (0.107 R)
• M3: 1,223,411 km (0.12 R)
• M4: 1,984,565 km (0.057 R)
• M5: 2,381,598 km (0.099 R)
• M6: 3,121,509 km (0.087 R)
• M7: 4,060,685 km (0.101 R)
• M8: 4,605,819 km (0.074 R)
• M9: 5,958,184 km (0.084 R)
• M10: 6,487,760 km (0.083 R)
• M11: 7,640,711 km (0.104 R)
• M12: 8,501,797 km (0.051 R)
• M13: 11,509,911 km (0.098 R)
• M14: 12,446,543 km (0.102 R)
• M15: 12,953,380 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 8

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.1 AU - 3.96 AU

Year: 4578 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,730,368 km

• M1: 99,632 km (0.115 R)
• M2: 350,807 km (0.068 R)
• M3: 873,801 km (0.101 R)
• M4: 1,627,326 km (0.049 R)
• M5: 1,977,684 km (0.107 R)
• M6: 2,296,776 km (0.093 R)
• M7: 2,597,617 km (0.035 R)
• M8: 3,137,815 km (0.088 R)
• M9: 3,509,416 km (0.072 R)
• M10: 4,291,813 km (0.063 R)
• M11: 4,777,109 km (0.043 R)
• M12: 5,241,760 km (0.111 R)
• M13: 5,796,469 km (0.114 R)
• M14: 6,487,012 km (0.092 R)
• M15: 6,818,372 km (0.088 R)
• M16: 11,973,963 km (0.08 R)
• M17: 15,473,057 km (0.092 R)
• M18: 15,827,006 km (0.062 R)
• M19: 17,296,655 km (0.078 R)
• M20: 17,550,224 km (0.107 R)
• M21: 26,112,757 km (0.092 R)
• M22: 27,465,271 km (0.105 R)
• M23: 28,686,588 km (0.082 R)
• M24: 28,952,873 km (0.092 R)
• M25: 29,400,470 km (0.094 R)
• M26: 31,330,731 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.6

Radius: 7.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.63 AU - 6.61 AU

Year: 9196 Days

Day: 22.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,730,368 km

• M1: 92,003 km (0.116 R)
• M2: 412,441 km (0.03 R)
• M3: 714,031 km (0.056 R)
• M4: 1,643,781 km (0.042 R)
• M5: 2,049,940 km (0.077 R)
• M6: 2,356,765 km (0.108 R)
• M7: 2,793,441 km (0.066 R)
• M8: 6,377,058 km (0.119 R)
• M9: 8,397,676 km (0.102 R)
• M10: 9,007,288 km (0.081 R)
• M11: 10,962,682 km (0.087 R)
• M12: 11,479,393 km (0.107 R)
• M13: 12,842,379 km (0.107 R)
• M14: 13,888,218 km (0.118 R)
• M15: 14,128,173 km (0.05 R)
• M16: 16,413,878 km (0.097 R)
• M17: 16,682,107 km (0.088 R)
• M18: 19,156,307 km (0.052 R)
• M19: 19,678,852 km (0.071 R)
• M20: 23,352,676 km (0.067 R)
• M21: 27,365,190 km (0.058 R)
• M22: 28,028,059 km (0.096 R)
• M23: 30,584,088 km (0.109 R)
• M24: 32,022,771 km (0.056 R)
• M25: 36,723,285 km (0.117 R)
• M26: 40,262,023 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.5

Radius: 7.2

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.25 AU - 6.19 AU

Year: 9443 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,730,368 km

• M1: 90,507 km (0.081 R)
• M2: 537,655 km (0.095 R)
• M3: 1,169,855 km (0.075 R)
• M4: 2,432,013 km (0.094 R)
• M5: 2,656,709 km (0.098 R)
• M6: 2,895,317 km (0.113 R)
• M7: 3,325,112 km (0.104 R)
• M8: 3,603,065 km (0.063 R)
• M9: 4,179,166 km (0.119 R)
• M10: 5,263,451 km (0.107 R)
• M11: 5,545,593 km (0.066 R)
• M12: 6,312,881 km (0.09 R)
• M13: 6,595,770 km (0.113 R)
• M14: 7,340,020 km (0.034 R)
• M15: 7,974,763 km (0.092 R)
• M16: 8,222,049 km (0.086 R)
• M17: 13,597,998 km (0.088 R)
• M18: 14,130,416 km (0.078 R)
• M19: 14,861,800 km (0.062 R)
• M20: 17,830,121 km (0.051 R)
• M21: 18,182,574 km (0.047 R)
• M22: 25,526,932 km (0.119 R)
• M23: 28,292,847 km (0.12 R)
• M24: 29,160,066 km (0.112 R)
• M25: 33,871,202 km (0.075 R)
• M26: 34,848,824 km (0.073 R)
• M27: 39,780,168 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.9

Radius: 3.2

Gravity: 56.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.1 AU - 6.88 AU

Year: 10119 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,730,368 km

• M1: 39,793 km (0.113 R)
• M2: 149,747 km (0.074 R)
• M3: 526,285 km (0.088 R)
• M4: 949,198 km (0.108 R)
• M5: 1,165,667 km (0.077 R)
• M6: 1,273,377 km (0.028 R)
• M7: 1,637,349 km (0.088 R)
• M8: 2,153,761 km (0.111 R)
• M9: 2,546,904 km (0.097 R)
• M10: 2,771,001 km (0.081 R)
• M11: 5,415,293 km (0.107 R)
• M12: 5,924,225 km (0.059 R)
• M13: 7,075,680 km (0.106 R)
• M14: 7,354,979 km (0.088 R)
• M15: 7,641,609 km (0.119 R)
• M16: 8,106,858 km (0.117 R)
• M17: 9,376,047 km (0.116 R)
• M18: 9,519,361 km (0.069 R)
• M19: 10,007,948 km (0.068 R)
• M20: 13,415,937 km (0.083 R)
• M21: 14,217,034 km (0.095 R)
• M22: 14,725,666 km (0.078 R)
• M23: 15,981,840 km (0.079 R)
• M24: 20,575,691 km (0.111 R)
• M25: 22,910,914 km (0.076 R)
• M26: 24,142,254 km (0.105 R)
• M27: 24,321,622 km (0.066 R)
• M28: 24,774,155 km (0.091 R)
• M29: 25,509,579 km (0.027 R)
• M30: 29,304,727 km (0.117 R)
• M31: 31,603,149 km (0.099 R)
• M32: 34,812,472 km (0.109 R)
• M33: 37,028,914 km (0.099 R)
• M34: 39,461,674 km (0.069 R)
• M35: 39,835,519 km (0.118 R)
• M36: 42,388,557 km (0.102 R)
• M37: 43,307,237 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 17,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit