🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765

Radius: 10.7

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.67 AU - 0.75 AU

Year: 406 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,001,145 km

• M1: 133,142 km (0.102 R)
• M2: 473,477 km (0.049 R)
• M3: 930,798 km (0.069 R)
• M4: 1,288,038 km (0.114 R)
• M5: 1,658,891 km (0.031 R)
• M6: 2,051,436 km (0.116 R)
• M7: 2,753,199 km (0.111 R)
• M8: 3,228,621 km (0.114 R)
• M9: 3,991,122 km (0.118 R)
• M10: 4,779,353 km (0.098 R)
• M11: 5,163,371 km (0.102 R)
• M12: 5,718,678 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 11.1

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.89 AU - 1.21 AU

Year: 730 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,001,145 km

• M1: 138,079 km (0.068 R)
• M2: 511,176 km (0.08 R)
• M3: 994,676 km (0.06 R)
• M4: 2,056,522 km (0.049 R)
• M5: 2,458,491 km (0.112 R)
• M6: 6,687,324 km (0.111 R)
• M7: 7,057,130 km (0.087 R)
• M8: 7,743,186 km (0.081 R)
• M9: 8,175,823 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 14.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.26 AU - 2.64 AU

Year: 2601 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,001,145 km

• M1: 181,612 km (0.076 R)
• M2: 660,774 km (0.1 R)
• M3: 1,326,036 km (0.078 R)
• M4: 1,898,098 km (0.051 R)
• M5: 2,706,225 km (0.102 R)
• M6: 3,315,538 km (0.066 R)
• M7: 4,856,396 km (0.073 R)
• M8: 5,787,343 km (0.12 R)
• M9: 6,295,976 km (0.057 R)
• M10: 8,222,049 km (0.041 R)
• M11: 9,475,529 km (0.11 R)
• M12: 10,664,533 km (0.113 R)
• M13: 11,120,807 km (0.114 R)
• M14: 12,949,491 km (0.071 R)
• M15: 13,823,741 km (0.098 R)
• M16: 15,983,934 km (0.114 R)
• M17: 17,666,611 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 8.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.24 AU - 3.78 AU

Year: 4460 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,001,145 km

• M1: 111,600 km (0.107 R)
• M2: 452,534 km (0.056 R)
• M3: 861,684 km (0.095 R)
• M4: 1,309,430 km (0.077 R)
• M5: 1,722,769 km (0.078 R)
• M6: 3,039,230 km (0.103 R)
• M7: 4,290,766 km (0.043 R)
• M8: 6,092,373 km (0.103 R)
• M9: 8,024,131 km (0.095 R)
• M10: 8,818,196 km (0.105 R)
• M11: 9,627,521 km (0.107 R)
• M12: 10,600,954 km (0.104 R)
• M13: 11,151,474 km (0.106 R)
• M14: 11,721,143 km (0.096 R)
• M15: 15,010,351 km (0.083 R)
• M16: 15,504,174 km (0.057 R)
• M17: 17,157,679 km (0.105 R)
• M18: 18,304,646 km (0.075 R)
• M19: 18,641,690 km (0.083 R)
• M20: 19,097,215 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 9.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.73 AU - 5.81 AU

Year: 7066 Days

Day: 12 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,001,145 km

• M1: 115,789 km (0.11 R)
• M2: 486,193 km (0.114 R)
• M3: 1,018,313 km (0.06 R)
• M4: 1,355,058 km (0.116 R)
• M5: 1,921,884 km (0.092 R)
• M6: 2,532,094 km (0.074 R)
• M7: 2,844,454 km (0.093 R)
• M8: 3,351,142 km (0.105 R)
• M9: 3,988,878 km (0.102 R)
• M10: 4,571,412 km (0.078 R)
• M11: 5,780,911 km (0.105 R)
• M12: 6,766,910 km (0.037 R)
• M13: 7,119,363 km (0.071 R)
• M14: 7,708,928 km (0.069 R)
• M15: 8,211,427 km (0.083 R)
• M16: 9,069,521 km (0.069 R)
• M17: 9,368,417 km (0.116 R)
• M18: 10,167,419 km (0.035 R)
• M19: 10,630,574 km (0.102 R)
• M20: 14,276,574 km (0.115 R)
• M21: 15,758,789 km (0.1 R)
• M22: 17,406,311 km (0.119 R)
• M23: 19,376,066 km (0.111 R)
• M24: 23,034,631 km (0.093 R)
• M25: 23,511,998 km (0.059 R)
• M26: 26,603,588 km (0.071 R)
• M27: 29,674,383 km (0.106 R)
• M28: 33,377,379 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.4

Radius: 11

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.75 AU - 5.09 AU

Year: 7402 Days

Day: 9.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 142.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,001,145 km

• M1: 136,732 km (0.066 R)
• M2: 632,051 km (0.115 R)
• M3: 1,175,091 km (0.053 R)
• M4: 1,871,021 km (0.089 R)
• M5: 2,280,171 km (0.118 R)
• M6: 3,766,276 km (0.042 R)
• M7: 5,102,783 km (0.099 R)
• M8: 5,662,878 km (0.088 R)
• M9: 6,732,802 km (0.065 R)
• M10: 7,118,016 km (0.097 R)
• M11: 8,442,705 km (0.093 R)
• M12: 9,703,367 km (0.072 R)
• M13: 11,673,870 km (0.074 R)
• M14: 12,386,255 km (0.025 R)
• M15: 14,814,827 km (0.111 R)
• M16: 16,141,161 km (0.089 R)
• M17: 19,517,885 km (0.063 R)
• M18: 21,184,405 km (0.117 R)
• M19: 22,090,669 km (0.075 R)
• M20: 23,498,235 km (0.112 R)
• M21: 24,881,567 km (0.12 R)
• M22: 25,805,184 km (0.087 R)
• M23: 30,199,322 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.1

Radius: 6.6

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.48 AU - 8.06 AU

Year: 13295 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,001,145 km

• M1: 82,129 km (0.079 R)
• M2: 685,158 km (0.12 R)
• M3: 976,724 km (0.101 R)
• M4: 1,813,725 km (0.059 R)
• M5: 2,417,053 km (0.114 R)
• M6: 5,483,061 km (0.093 R)
• M7: 6,430,016 km (0.082 R)
• M8: 6,768,705 km (0.096 R)
• M9: 7,440,848 km (0.063 R)
• M10: 7,730,320 km (0.067 R)
• M11: 8,963,456 km (0.096 R)
• M12: 10,120,595 km (0.117 R)
• M13: 10,892,520 km (0.06 R)
• M14: 12,495,013 km (0.079 R)
• M15: 13,142,023 km (0.064 R)
• M16: 15,151,123 km (0.102 R)
• M17: 15,751,160 km (0.076 R)
• M18: 16,645,605 km (0.117 R)
• M19: 21,883,177 km (0.059 R)
• M20: 23,788,006 km (0.092 R)
• M21: 24,055,936 km (0.038 R)
• M22: 25,148,300 km (0.027 R)
• M23: 25,613,100 km (0.109 R)
• M24: 27,236,088 km (0.117 R)
• M25: 29,436,822 km (0.114 R)
• M26: 33,736,713 km (0.103 R)
• M27: 34,302,044 km (0.118 R)
• M28: 38,806,436 km (0.084 R)
• M29: 40,054,231 km (0.059 R)
• M30: 41,975,667 km (0.083 R)
• M31: 44,496,540 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 7.1

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.54 AU - 10.72 AU

Year: 17195 Days

Day: 18.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,001,145 km

• M1: 94,097 km (0.042 R)
• M2: 751,580 km (0.086 R)
• M3: 1,226,254 km (0.086 R)
• M4: 2,466,121 km (0.065 R)
• M5: 3,765,827 km (0.103 R)
• M6: 4,318,143 km (0.109 R)
• M7: 4,888,110 km (0.113 R)
• M8: 5,209,447 km (0.094 R)
• M9: 8,927,253 km (0.097 R)
• M10: 13,618,193 km (0.101 R)
• M11: 13,899,138 km (0.112 R)
• M12: 18,333,967 km (0.08 R)
• M13: 23,327,694 km (0.088 R)
• M14: 23,730,112 km (0.111 R)
• M15: 24,652,383 km (0.061 R)
• M16: 28,012,500 km (0.039 R)
• M17: 35,757,631 km (0.074 R)
• M18: 36,968,925 km (0.083 R)
• M19: 48,308,743 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.7

Radius: 3.3

Gravity: 60.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.99 AU - 11.63 AU

Year: 22453 Days

Day: 16.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,001,145 km

• M1: 67,618 km (0.088 R)
• M2: 174,132 km (0.044 R)
• M3: 570,417 km (0.107 R)
• M4: 926,759 km (0.107 R)
• M5: 1,875,957 km (0.106 R)
• M6: 2,015,532 km (0.075 R)
• M7: 2,161,988 km (0.105 R)
• M8: 3,057,631 km (0.112 R)
• M9: 3,572,098 km (0.063 R)
• M10: 4,075,794 km (0.1 R)
• M11: 4,770,078 km (0.069 R)
• M12: 5,030,528 km (0.104 R)
• M13: 5,620,841 km (0.08 R)
• M14: 6,388,577 km (0.035 R)
• M15: 8,500,301 km (0.119 R)
• M16: 10,529,745 km (0.069 R)
• M17: 13,510,782 km (0.107 R)
• M18: 14,798,820 km (0.1 R)
• M19: 16,416,122 km (0.039 R)
• M20: 17,354,101 km (0.099 R)
• M21: 18,872,968 km (0.111 R)
• M22: 26,637,098 km (0.071 R)
• M23: 37,290,710 km (0.092 R)
• M24: 38,460,865 km (0.095 R)
• M25: 40,566,903 km (0.118 R)
• M26: 47,174,641 km (0.106 R)
• M27: 50,112,444 km (0.051 R)
• M28: 61,453,309 km (0.076 R)
• M29: 77,648,176 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 19,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit