🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 8.7

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.47 AU - 0.57 AU

Year: 250 Days

Day: 11.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,879,888 km

• M1: 108,159 km (0.11 R)
• M2: 391,498 km (0.08 R)
• M3: 699,220 km (0.04 R)
• M4: 1,033,721 km (0.057 R)
• M5: 1,567,187 km (0.081 R)
• M6: 2,003,564 km (0.108 R)
• M7: 2,502,922 km (0.111 R)
• M8: 2,773,844 km (0.078 R)
• M9: 3,073,787 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 9.5

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.14 AU - 1.5 AU

Year: 1011 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,879,888 km

• M1: 118,182 km (0.069 R)
• M2: 420,520 km (0.104 R)
• M3: 845,677 km (0.09 R)
• M4: 1,278,463 km (0.027 R)
• M5: 1,595,611 km (0.1 R)
• M6: 2,177,547 km (0.071 R)
• M7: 2,548,998 km (0.102 R)
• M8: 3,059,127 km (0.095 R)
• M9: 3,925,747 km (0.045 R)
• M10: 4,231,077 km (0.095 R)
• M11: 5,025,740 km (0.117 R)
• M12: 5,636,848 km (0.102 R)
• M13: 6,228,507 km (0.078 R)
• M14: 7,331,193 km (0.117 R)
• M15: 7,849,251 km (0.087 R)
• M16: 8,419,368 km (0.088 R)
• M17: 9,611,962 km (0.119 R)
• M18: 11,349,691 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 12.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.2 AU - 1.48 AU

Year: 1034 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,879,888 km

• M1: 161,416 km (0.076 R)
• M2: 561,590 km (0.086 R)
• M3: 1,039,406 km (0.119 R)
• M4: 1,477,279 km (0.084 R)
• M5: 2,767,710 km (0.106 R)
• M6: 3,326,608 km (0.048 R)
• M7: 3,902,111 km (0.107 R)
• M8: 4,527,280 km (0.052 R)
• M9: 5,253,877 km (0.088 R)
• M10: 6,254,986 km (0.115 R)
• M11: 7,245,773 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 15

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.42 AU - 2.08 AU

Year: 1544 Days

Day: 8.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,879,888 km

• M1: 186,549 km (0.09 R)
• M2: 1,182,272 km (0.105 R)
• M3: 1,739,225 km (0.05 R)
• M4: 2,408,526 km (0.045 R)
• M5: 2,884,097 km (0.046 R)
• M6: 3,691,926 km (0.095 R)
• M7: 4,349,857 km (0.053 R)
• M8: 4,873,001 km (0.107 R)
• M9: 5,506,249 km (0.085 R)
• M10: 6,023,109 km (0.085 R)
• M11: 6,859,212 km (0.099 R)
• M12: 8,242,693 km (0.09 R)
• M13: 10,251,194 km (0.073 R)
• M14: 12,728,984 km (0.098 R)
• M15: 15,080,513 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.2

Radius: 9.7

Gravity: 8.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.45 AU - 2.15 AU

Year: 1610 Days

Day: 5.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,879,888 km

• M1: 120,576 km (0.059 R)
• M2: 723,605 km (0.036 R)
• M3: 1,229,395 km (0.12 R)
• M4: 1,695,542 km (0.05 R)
• M5: 2,203,577 km (0.064 R)
• M6: 2,628,435 km (0.105 R)
• M7: 4,071,904 km (0.091 R)
• M8: 4,513,368 km (0.108 R)
• M9: 5,050,723 km (0.105 R)
• M10: 5,584,040 km (0.098 R)
• M11: 5,936,193 km (0.031 R)
• M12: 6,454,101 km (0.067 R)
• M13: 7,665,694 km (0.107 R)
• M14: 8,801,591 km (0.078 R)
• M15: 12,962,356 km (0.106 R)
• M16: 13,581,691 km (0.1 R)
• M17: 14,746,012 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 12.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.86 AU - 2.9 AU

Year: 3259 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,879,888 km

• M1: 160,369 km (0.052 R)
• M2: 568,472 km (0.104 R)
• M3: 1,074,562 km (0.103 R)
• M4: 1,532,331 km (0.034 R)
• M5: 2,364,544 km (0.082 R)
• M6: 3,040,128 km (0.095 R)
• M7: 3,628,796 km (0.081 R)
• M8: 4,103,769 km (0.047 R)
• M9: 5,351,864 km (0.068 R)
• M10: 6,131,867 km (0.114 R)
• M11: 6,722,031 km (0.082 R)
• M12: 7,822,024 km (0.069 R)
• M13: 9,917,292 km (0.112 R)
• M14: 11,217,447 km (0.086 R)
• M15: 11,633,179 km (0.101 R)
• M16: 12,987,489 km (0.11 R)
• M17: 13,726,502 km (0.101 R)
• M18: 18,474,290 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 8.7

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.73 AU - 3.65 AU

Year: 3799 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,879,888 km

• M1: 109,057 km (0.093 R)
• M2: 396,883 km (0.091 R)
• M3: 731,833 km (0.081 R)
• M4: 1,073,664 km (0.079 R)
• M5: 1,370,167 km (0.075 R)
• M6: 1,796,670 km (0.05 R)
• M7: 2,162,138 km (0.054 R)
• M8: 2,576,973 km (0.099 R)
• M9: 3,136,619 km (0.051 R)
• M10: 3,607,852 km (0.116 R)
• M11: 4,917,282 km (0.071 R)
• M12: 5,282,450 km (0.115 R)
• M13: 6,008,598 km (0.078 R)
• M14: 6,335,171 km (0.061 R)
• M15: 7,386,993 km (0.079 R)
• M16: 8,625,215 km (0.08 R)
• M17: 9,157,334 km (0.114 R)
• M18: 10,455,994 km (0.086 R)
• M19: 11,689,428 km (0.079 R)
• M20: 15,357,418 km (0.061 R)
• M21: 15,969,573 km (0.036 R)
• M22: 16,655,778 km (0.093 R)
• M23: 16,947,494 km (0.07 R)
• M24: 17,421,270 km (0.118 R)
• M25: 18,271,585 km (0.058 R)
• M26: 19,213,004 km (0.073 R)
• M27: 23,376,762 km (0.03 R)
• M28: 24,335,983 km (0.11 R)
• M29: 25,397,978 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.5

Radius: 6.2

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.91 AU - 7.95 AU

Year: 13506 Days

Day: 17.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,879,888 km

• M1: 77,043 km (0.085 R)
• M2: 372,349 km (0.112 R)
• M3: 697,276 km (0.051 R)
• M4: 1,163,423 km (0.059 R)
• M5: 1,443,769 km (0.074 R)
• M6: 1,975,589 km (0.052 R)
• M7: 2,218,088 km (0.083 R)
• M8: 2,808,700 km (0.099 R)
• M9: 4,513,966 km (0.068 R)
• M10: 5,638,344 km (0.108 R)
• M11: 6,013,086 km (0.114 R)
• M12: 7,412,724 km (0.118 R)
• M13: 11,536,838 km (0.093 R)
• M14: 13,150,999 km (0.115 R)
• M15: 14,215,986 km (0.046 R)
• M16: 15,337,222 km (0.084 R)
• M17: 15,772,403 km (0.117 R)
• M18: 16,591,900 km (0.057 R)
• M19: 17,050,567 km (0.029 R)
• M20: 20,852,597 km (0.08 R)
• M21: 25,083,973 km (0.05 R)
• M22: 25,688,049 km (0.036 R)
• M23: 26,508,743 km (0.106 R)
• M24: 28,636,473 km (0.043 R)
• M25: 41,838,186 km (0.094 R)
• M26: 42,687,603 km (0.117 R)
• M27: 49,427,585 km (0.045 R)
• M28: 51,337,651 km (0.082 R)
• M29: 51,822,797 km (0.078 R)
• M30: 53,461,941 km (0.057 R)
• M31: 55,644,125 km (0.094 R)
• M32: 55,985,058 km (0.089 R)
• M33: 56,498,927 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.4

Radius: 5.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.02 AU - 9.34 AU

Year: 15601 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,879,888 km

• M1: 119,080 km (0.098 R)
• M2: 325,076 km (0.112 R)
• M3: 671,395 km (0.109 R)
• M4: 924,964 km (0.093 R)
• M5: 1,314,816 km (0.057 R)
• M6: 1,867,281 km (0.104 R)
• M7: 2,169,618 km (0.088 R)
• M8: 4,581,734 km (0.1 R)
• M9: 4,990,884 km (0.114 R)
• M10: 9,762,607 km (0.112 R)
• M11: 14,730,753 km (0.045 R)
• M12: 19,072,083 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.3

Radius: 3.9

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.9 AU - 11.48 AU

Year: 18578 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,879,888 km

• M1: 63,429 km (0.108 R)
• M2: 1,698,385 km (0.08 R)
• M3: 2,522,071 km (0.068 R)
• M4: 3,372,534 km (0.035 R)
• M5: 3,850,200 km (0.051 R)
• M6: 4,001,893 km (0.058 R)
• M7: 4,210,432 km (0.101 R)
• M8: 4,649,053 km (0.097 R)
• M9: 5,178,330 km (0.082 R)
• M10: 5,301,150 km (0.102 R)
• M11: 5,779,415 km (0.099 R)
• M12: 7,194,461 km (0.103 R)
• M13: 7,424,991 km (0.076 R)
• M14: 7,739,895 km (0.034 R)
• M15: 11,396,067 km (0.115 R)
• M16: 13,362,381 km (0.052 R)
• M17: 14,791,938 km (0.042 R)
• M18: 16,386,203 km (0.088 R)
• M19: 18,021,158 km (0.082 R)
• M20: 19,464,029 km (0.095 R)
• M21: 20,289,660 km (0.105 R)
• M22: 23,321,111 km (0.103 R)
• M23: 23,995,648 km (0.114 R)
• M24: 25,560,591 km (0.109 R)
• M25: 29,376,983 km (0.113 R)
• M26: 30,163,269 km (0.073 R)
• M27: 30,561,798 km (0.054 R)
• M28: 31,267,451 km (0.111 R)
• M29: 32,921,106 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 17,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit