🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.99 AU - 1.31 AU

Year: 568 Days

Day: 42 Hours

Environment

Temp: -87 °C

Axial Tilt: 46.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.04 AU - 1.42 AU

Year: 628 Days

Day: 17 Hours

Environment

Temp: -91 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.85 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 15

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.21 AU - 2.73 AU

Year: 1786 Days

Day: 8.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,318,436 km

• M1: 186,549 km (0.045 R)
• M2: 703,409 km (0.107 R)
• M3: 1,930,860 km (0.073 R)
• M4: 2,734,350 km (0.074 R)
• M5: 3,272,154 km (0.1 R)
• M6: 3,789,164 km (0.095 R)
• M7: 4,903,220 km (0.06 R)
• M8: 6,073,674 km (0.043 R)
• M9: 7,194,760 km (0.076 R)
• M10: 8,293,257 km (0.113 R)
• M11: 8,997,714 km (0.042 R)
• M12: 9,672,699 km (0.107 R)
• M13: 10,308,789 km (0.063 R)
• M14: 11,048,252 km (0.044 R)
• M15: 11,586,804 km (0.075 R)
• M16: 12,062,226 km (0.117 R)
• M17: 13,052,564 km (0.1 R)
• M18: 15,336,624 km (0.057 R)
• M19: 15,959,101 km (0.104 R)
• M20: 16,648,298 km (0.095 R)
• M21: 17,152,742 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 12.5

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.13 AU - 4.17 AU

Year: 3890 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,318,436 km

• M1: 158,125 km (0.12 R)
• M2: 578,794 km (0.029 R)
• M3: 1,134,700 km (0.071 R)
• M4: 1,998,927 km (0.1 R)
• M5: 3,420,256 km (0.079 R)
• M6: 3,858,279 km (0.096 R)
• M7: 5,055,062 km (0.084 R)
• M8: 5,711,198 km (0.07 R)
• M9: 8,061,380 km (0.06 R)
• M10: 8,727,989 km (0.11 R)
• M11: 9,232,133 km (0.042 R)
• M12: 11,722,788 km (0.108 R)
• M13: 12,677,073 km (0.119 R)
• M14: 14,099,001 km (0.065 R)
• M15: 15,178,050 km (0.112 R)
• M16: 15,965,534 km (0.092 R)
• M17: 18,429,261 km (0.103 R)
• M18: 23,574,380 km (0.102 R)
• M19: 26,354,058 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 12.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.78 AU - 4.74 AU

Year: 4046 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,318,436 km

• M1: 161,267 km (0.114 R)
• M2: 702,362 km (0.067 R)
• M3: 1,175,241 km (0.103 R)
• M4: 2,239,331 km (0.089 R)
• M5: 3,017,389 km (0.089 R)
• M6: 3,524,975 km (0.103 R)
• M7: 4,542,539 km (0.107 R)
• M8: 5,659,138 km (0.081 R)
• M9: 6,484,021 km (0.099 R)
• M10: 8,459,012 km (0.067 R)
• M11: 9,981,320 km (0.077 R)
• M12: 11,325,008 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.3

Radius: 4.3

Gravity: 24.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.71 AU - 11.65 AU

Year: 14947 Days

Day: 18.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,318,436 km

• M1: 56,398 km (0.095 R)
• M2: 232,924 km (0.105 R)
• M3: 431,291 km (0.038 R)
• M4: 646,712 km (0.068 R)
• M5: 1,700,479 km (0.049 R)
• M6: 2,358,560 km (0.084 R)
• M7: 2,913,119 km (0.12 R)
• M8: 3,196,607 km (0.095 R)
• M9: 3,446,585 km (0.052 R)
• M10: 4,425,404 km (0.115 R)
• M11: 4,610,158 km (0.09 R)
• M12: 5,061,195 km (0.072 R)
• M13: 5,683,522 km (0.082 R)
• M14: 5,865,134 km (0.093 R)
• M15: 8,545,030 km (0.08 R)
• M16: 8,880,130 km (0.109 R)
• M17: 10,799,021 km (0.051 R)
• M18: 11,134,121 km (0.11 R)
• M19: 11,304,363 km (0.048 R)
• M20: 13,165,959 km (0.055 R)
• M21: 14,136,101 km (0.083 R)
• M22: 15,432,068 km (0.044 R)
• M23: 16,363,165 km (0.088 R)
• M24: 16,583,223 km (0.06 R)
• M25: 25,491,477 km (0.088 R)
• M26: 28,236,598 km (0.061 R)
• M27: 40,114,819 km (0.098 R)
• M28: 44,095,319 km (0.073 R)
• M29: 52,035,226 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 3.5

Gravity: 60.91 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.55 AU - 12.45 AU

Year: 15657 Days

Day: 16.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,318,436 km

• M1: 47,423 km (0.053 R)
• M2: 222,003 km (0.06 R)
• M3: 405,859 km (0.041 R)
• M4: 536,308 km (0.115 R)
• M5: 713,283 km (0.106 R)
• M6: 928,255 km (0.057 R)
• M7: 1,631,066 km (0.076 R)
• M8: 1,855,911 km (0.088 R)
• M9: 2,475,546 km (0.114 R)
• M10: 2,609,735 km (0.106 R)
• M11: 2,725,374 km (0.115 R)
• M12: 3,955,368 km (0.096 R)
• M13: 4,393,241 km (0.099 R)
• M14: 5,666,019 km (0.087 R)
• M15: 6,099,404 km (0.104 R)
• M16: 7,347,350 km (0.063 R)
• M17: 11,404,594 km (0.078 R)
• M18: 13,623,130 km (0.079 R)
• M19: 16,899,323 km (0.108 R)
• M20: 18,210,100 km (0.106 R)
• M21: 18,548,191 km (0.086 R)
• M22: 19,149,575 km (0.079 R)
• M23: 22,449,704 km (0.102 R)
• M24: 24,642,360 km (0.07 R)
• M25: 25,684,458 km (0.097 R)
• M26: 28,531,007 km (0.076 R)
• M27: 28,758,246 km (0.086 R)
• M28: 29,331,804 km (0.053 R)
• M29: 31,098,106 km (0.113 R)
• M30: 32,685,040 km (0.076 R)
• M31: 38,042,739 km (0.084 R)
• M32: 38,733,581 km (0.068 R)
• M33: 39,432,802 km (0.092 R)
• M34: 39,856,314 km (0.09 R)
• M35: 42,906,315 km (0.094 R)
• M36: 43,055,464 km (0.075 R)
• M37: 44,259,876 km (0.083 R)
• M38: 45,952,427 km (0.099 R)
• M39: 49,794,100 km (0.063 R)
• M40: 51,792,728 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951

Radius: 3.3

Gravity: 87.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 12.86 AU - 14.64 AU

Year: 23462 Days

Day: 16.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 67,318,436 km

• M1: 41,439 km (0.082 R)
• M2: 147,204 km (0.091 R)
• M3: 316,998 km (0.079 R)
• M4: 698,622 km (0.086 R)
• M5: 940,223 km (0.06 R)
• M6: 1,587,533 km (0.117 R)
• M7: 2,135,061 km (0.095 R)
• M8: 2,990,761 km (0.107 R)
• M9: 3,280,831 km (0.091 R)
• M10: 3,525,872 km (0.096 R)
• M11: 4,592,655 km (0.118 R)
• M12: 4,978,168 km (0.084 R)
• M13: 6,310,337 km (0.079 R)
• M14: 6,545,505 km (0.092 R)
• M15: 11,280,727 km (0.091 R)
• M16: 11,908,888 km (0.1 R)
• M17: 12,782,240 km (0.084 R)
• M18: 12,931,838 km (0.101 R)
• M19: 16,262,186 km (0.063 R)
• M20: 19,720,889 km (0.053 R)
• M21: 20,021,132 km (0.096 R)
• M22: 20,630,594 km (0.087 R)
• M23: 20,836,440 km (0.059 R)
• M24: 22,533,329 km (0.108 R)
• M25: 23,639,306 km (0.044 R)
• M26: 24,896,975 km (0.068 R)
• M27: 29,715,523 km (0.087 R)
• M28: 30,374,950 km (0.089 R)
• M29: 33,392,489 km (0.069 R)
• M30: 37,057,188 km (0.116 R)
• M31: 40,657,111 km (0.077 R)
• M32: 54,003,485 km (0.059 R)
• M33: 58,203,894 km (0.114 R)
• M34: 62,616,882 km (0.118 R)
• M35: 66,124,952 km (0.094 R)
• M36: 66,348,600 km (0.096 R)
• M37: 69,993,553 km (0.106 R)
• M38: 78,427,432 km (0.114 R)
• M39: 79,938,071 km (0.087 R)
• M40: 82,757,692 km (0.11 R)
• M41: 86,441,240 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.7

Radius: 7.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 14.1 AU - 16.2 AU

Year: 27136 Days

Day: 19.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,318,436 km

• M1: 95,443 km (0.028 R)
• M2: 369,806 km (0.09 R)
• M3: 1,012,179 km (0.083 R)
• M4: 1,523,355 km (0.119 R)
• M5: 2,136,258 km (0.113 R)
• M6: 6,637,807 km (0.109 R)
• M7: 9,601,341 km (0.096 R)
• M8: 11,462,937 km (0.098 R)
• M9: 12,283,631 km (0.083 R)
• M10: 14,980,880 km (0.109 R)
• M11: 23,951,965 km (0.112 R)
• M12: 27,891,177 km (0.09 R)
• M13: 28,341,317 km (0.088 R)
• M14: 32,737,549 km (0.109 R)
• M15: 40,080,860 km (0.076 R)
• M16: 53,644,899 km (0.047 R)
• M17: 65,124,291 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 12,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit