🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 10

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,429,160 km

• M1: 124,316 km (0.107 R)
• M2: 448,494 km (0.104 R)
• M3: 963,261 km (0.105 R)
• M4: 1,364,632 km (0.057 R)
• M5: 2,140,746 km (0.099 R)
• M6: 2,531,645 km (0.077 R)
• M7: 2,931,669 km (0.104 R)
• M8: 3,779,291 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.8

Radius: 11.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.77 AU - 1.07 AU

Year: 588 Days

Day: 12.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,429,160 km

• M1: 144,512 km (0.119 R)
• M2: 530,923 km (0.106 R)
• M3: 1,044,792 km (0.101 R)
• M4: 1,428,061 km (0.1 R)
• M5: 1,884,634 km (0.113 R)
• M6: 2,264,762 km (0.105 R)
• M7: 2,953,361 km (0.077 R)
• M8: 4,036,899 km (0.041 R)
• M9: 4,497,361 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 9.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,429,160 km

• M1: 115,639 km (0.11 R)
• M2: 464,501 km (0.104 R)
• M3: 1,088,474 km (0.096 R)
• M4: 1,495,380 km (0.09 R)
• M5: 2,164,532 km (0.104 R)
• M6: 2,652,520 km (0.089 R)
• M7: 4,088,659 km (0.054 R)
• M8: 4,474,772 km (0.108 R)
• M9: 5,708,954 km (0.06 R)
• M10: 6,385,436 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.6

Radius: 14.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.86 AU - 2.04 AU

Year: 1816 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,429,160 km

• M1: 184,155 km (0.094 R)
• M2: 716,125 km (0.078 R)
• M3: 1,476,531 km (0.12 R)
• M4: 3,055,836 km (0.075 R)
• M5: 4,635,589 km (0.115 R)
• M6: 5,138,687 km (0.118 R)
• M7: 5,699,080 km (0.11 R)
• M8: 6,456,943 km (0.093 R)
• M9: 6,967,222 km (0.105 R)
• M10: 7,732,116 km (0.041 R)
• M11: 9,198,175 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 12.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.15 AU - 3.81 AU

Year: 4329 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,429,160 km

• M1: 155,731 km (0.068 R)
• M2: 663,616 km (0.111 R)
• M3: 1,103,434 km (0.07 R)
• M4: 3,691,028 km (0.097 R)
• M5: 4,626,015 km (0.057 R)
• M6: 6,423,882 km (0.055 R)
• M7: 7,497,247 km (0.107 R)
• M8: 8,167,445 km (0.058 R)
• M9: 10,549,343 km (0.077 R)
• M10: 13,412,646 km (0.049 R)
• M11: 15,215,749 km (0.106 R)
• M12: 20,897,925 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 13.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.86 AU - 4.32 AU

Year: 4536 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,429,160 km

• M1: 165,904 km (0.03 R)
• M2: 679,922 km (0.119 R)
• M3: 2,195,648 km (0.104 R)
• M4: 2,689,919 km (0.102 R)
• M5: 3,196,458 km (0.088 R)
• M6: 4,141,019 km (0.099 R)
• M7: 6,015,031 km (0.04 R)
• M8: 7,989,125 km (0.108 R)
• M9: 9,755,427 km (0.092 R)
• M10: 10,329,434 km (0.098 R)
• M11: 11,656,816 km (0.025 R)
• M12: 12,110,995 km (0.108 R)
• M13: 14,046,941 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 8.6

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.26 AU - 6.62 AU

Year: 8461 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,429,160 km

• M1: 110,852 km (0.118 R)
• M2: 388,954 km (0.075 R)
• M3: 918,381 km (0.032 R)
• M4: 1,282,802 km (0.083 R)
• M5: 1,642,435 km (0.11 R)
• M6: 3,324,214 km (0.05 R)
• M7: 3,656,022 km (0.064 R)
• M8: 4,009,821 km (0.115 R)
• M9: 4,358,684 km (0.072 R)
• M10: 5,210,643 km (0.093 R)
• M11: 5,528,838 km (0.047 R)
• M12: 6,381,696 km (0.051 R)
• M13: 6,896,163 km (0.101 R)
• M14: 7,966,386 km (0.117 R)
• M15: 9,281,052 km (0.068 R)
• M16: 15,408,730 km (0.085 R)
• M17: 16,674,029 km (0.093 R)
• M18: 18,007,245 km (0.093 R)
• M19: 19,334,478 km (0.102 R)
• M20: 20,332,744 km (0.108 R)
• M21: 20,804,875 km (0.074 R)
• M22: 28,303,917 km (0.041 R)
• M23: 29,791,070 km (0.098 R)
• M24: 34,676,188 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.8

Radius: 7.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.3 AU - 6.74 AU

Year: 9850 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,429,160 km

• M1: 95,294 km (0.072 R)
• M2: 339,587 km (0.082 R)
• M3: 828,473 km (0.061 R)
• M4: 1,219,821 km (0.072 R)
• M5: 1,705,715 km (0.111 R)
• M6: 2,299,768 km (0.045 R)
• M7: 2,611,979 km (0.056 R)
• M8: 3,579,279 km (0.076 R)
• M9: 4,501,400 km (0.066 R)
• M10: 5,120,735 km (0.069 R)
• M11: 5,795,422 km (0.112 R)
• M12: 7,689,181 km (0.095 R)
• M13: 9,680,777 km (0.09 R)
• M14: 18,036,267 km (0.097 R)
• M15: 19,020,322 km (0.116 R)
• M16: 22,325,986 km (0.107 R)
• M17: 23,316,025 km (0.112 R)
• M18: 23,749,111 km (0.077 R)
• M19: 25,459,463 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.3

Radius: 7.9

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.94 AU - 8.28 AU

Year: 12643 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,429,160 km

• M1: 100,380 km (0.072 R)
• M2: 379,679 km (0.078 R)
• M3: 805,136 km (0.099 R)
• M4: 1,697,637 km (0.098 R)
• M5: 2,558,572 km (0.094 R)
• M6: 3,110,289 km (0.088 R)
• M7: 4,836,798 km (0.075 R)
• M8: 5,904,628 km (0.092 R)
• M9: 7,036,037 km (0.076 R)
• M10: 8,115,385 km (0.063 R)
• M11: 8,793,961 km (0.056 R)
• M12: 9,721,169 km (0.077 R)
• M13: 10,712,105 km (0.083 R)
• M14: 12,074,343 km (0.11 R)
• M15: 12,322,526 km (0.028 R)
• M16: 14,642,041 km (0.074 R)
• M17: 16,543,131 km (0.12 R)
• M18: 17,552,917 km (0.115 R)
• M19: 20,387,347 km (0.098 R)
• M20: 22,939,637 km (0.09 R)
• M21: 23,320,812 km (0.065 R)
• M22: 23,900,653 km (0.068 R)
• M23: 25,290,717 km (0.108 R)
• M24: 28,889,593 km (0.084 R)
• M25: 31,861,803 km (0.117 R)
• M26: 34,158,430 km (0.105 R)
• M27: 35,410,564 km (0.071 R)
• M28: 35,792,188 km (0.098 R)
• M29: 37,345,762 km (0.113 R)
• M30: 40,309,745 km (0.109 R)
• M31: 41,425,446 km (0.12 R)
• M32: 42,418,327 km (0.052 R)
• M33: 49,499,991 km (0.081 R)
• M34: 53,904,601 km (0.08 R)
• M35: 57,330,691 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.9

Radius: 4.7

Gravity: 39.47 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.05 AU - 9.61 AU

Year: 17497 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,429,160 km

• M1: 58,493 km (0.104 R)
• M2: 807,529 km (0.085 R)
• M3: 1,308,233 km (0.045 R)
• M4: 1,803,253 km (0.107 R)
• M5: 2,282,116 km (0.09 R)
• M6: 2,528,204 km (0.036 R)
• M7: 2,693,809 km (0.078 R)
• M8: 4,292,860 km (0.093 R)
• M9: 5,215,131 km (0.081 R)
• M10: 5,367,871 km (0.081 R)
• M11: 6,566,748 km (0.054 R)
• M12: 6,926,681 km (0.111 R)
• M13: 7,784,176 km (0.114 R)
• M14: 8,034,453 km (0.083 R)
• M15: 9,881,089 km (0.098 R)
• M16: 13,508,688 km (0.028 R)
• M17: 14,164,076 km (0.112 R)
• M18: 15,854,981 km (0.112 R)
• M19: 16,501,842 km (0.083 R)
• M20: 18,636,753 km (0.116 R)
• M21: 19,724,030 km (0.104 R)
• M22: 20,002,282 km (0.081 R)
• M23: 21,628,860 km (0.106 R)
• M24: 23,967,075 km (0.087 R)
• M25: 29,378,927 km (0.071 R)
• M26: 31,098,405 km (0.06 R)
• M27: 31,728,512 km (0.049 R)
• M28: 34,601,838 km (0.117 R)
• M29: 35,688,367 km (0.109 R)
• M30: 39,670,064 km (0.078 R)
• M31: 44,730,960 km (0.081 R)
• M32: 45,211,319 km (0.117 R)
• M33: 45,857,133 km (0.11 R)
• M34: 49,008,861 km (0.11 R)
• M35: 55,924,621 km (0.117 R)
• M36: 58,557,543 km (0.082 R)
• M37: 62,261,437 km (0.069 R)
• M38: 63,261,499 km (0.08 R)
• M39: 75,429,191 km (0.11 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: 367 - 13,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit