🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.4 AU - 0.6 AU

Year: 228 Days

Day: 31.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,300,815 km

• M1: 20,495 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 10.8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.93 AU - 0.95 AU

Year: 588 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,300,815 km

• M1: 134,339 km (0.057 R)
• M2: 587,620 km (0.068 R)
• M3: 1,097,749 km (0.067 R)
• M4: 1,633,310 km (0.104 R)
• M5: 1,971,700 km (0.071 R)
• M6: 2,737,791 km (0.106 R)
• M7: 3,733,215 km (0.077 R)
• M8: 4,563,184 km (0.112 R)
• M9: 4,988,341 km (0.091 R)
• M10: 6,129,324 km (0.101 R)
• M11: 6,505,563 km (0.08 R)
• M12: 7,174,265 km (0.102 R)

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 11.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.24 AU - 2 AU

Year: 1331 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 102.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,300,815 km

• M1: 141,819 km (0.098 R)
• M2: 707,299 km (0.119 R)
• M3: 1,089,222 km (0.109 R)
• M4: 1,539,960 km (0.076 R)
• M5: 2,196,396 km (0.065 R)
• M6: 2,590,138 km (0.108 R)
• M7: 3,437,161 km (0.116 R)
• M8: 3,910,040 km (0.091 R)
• M9: 4,342,677 km (0.119 R)
• M10: 5,060,896 km (0.097 R)
• M11: 6,689,119 km (0.05 R)
• M12: 7,216,003 km (0.099 R)
• M13: 8,070,955 km (0.07 R)
• M14: 8,457,366 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 9.9

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.76 AU - 2.34 AU

Year: 1895 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,300,815 km

• M1: 123,119 km (0.085 R)
• M2: 508,932 km (0.082 R)
• M3: 824,883 km (0.113 R)
• M4: 1,286,691 km (0.101 R)
• M5: 1,916,648 km (0.094 R)
• M6: 2,334,475 km (0.101 R)
• M7: 3,209,473 km (0.12 R)
• M8: 3,695,965 km (0.114 R)
• M9: 4,387,556 km (0.106 R)
• M10: 5,595,409 km (0.044 R)
• M11: 6,455,447 km (0.053 R)
• M12: 7,232,758 km (0.029 R)
• M13: 8,131,392 km (0.114 R)
• M14: 10,866,191 km (0.068 R)
• M15: 13,136,189 km (0.12 R)
• M16: 14,426,620 km (0.038 R)
• M17: 14,739,579 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 12

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.64 AU - 2.88 AU

Year: 2961 Days

Day: 11.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,300,815 km

• M1: 149,598 km (0.093 R)
• M2: 528,529 km (0.084 R)
• M3: 975,079 km (0.101 R)
• M4: 1,449,005 km (0.083 R)
• M5: 1,876,855 km (0.093 R)
• M6: 2,290,942 km (0.115 R)
• M7: 3,218,449 km (0.093 R)
• M8: 5,267,191 km (0.11 R)
• M9: 6,381,247 km (0.103 R)
• M10: 6,904,241 km (0.083 R)
• M11: 7,362,010 km (0.093 R)
• M12: 9,035,861 km (0.105 R)
• M13: 9,847,729 km (0.114 R)
• M14: 12,134,182 km (0.038 R)
• M15: 12,847,764 km (0.05 R)
• M16: 14,605,091 km (0.068 R)
• M17: 16,037,789 km (0.085 R)
• M18: 18,533,381 km (0.081 R)
• M19: 18,943,728 km (0.045 R)
• M20: 19,782,374 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 10.1

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.37 AU - 3.55 AU

Year: 3288 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,300,815 km

• M1: 134,040 km (0.091 R)
• M2: 499,358 km (0.054 R)
• M3: 1,079,199 km (0.033 R)
• M4: 1,570,927 km (0.052 R)
• M5: 2,180,090 km (0.106 R)
• M6: 2,855,075 km (0.109 R)
• M7: 3,334,686 km (0.062 R)
• M8: 4,122,020 km (0.047 R)
• M9: 6,408,025 km (0.076 R)
• M10: 7,169,777 km (0.104 R)
• M11: 8,162,060 km (0.087 R)
• M12: 12,179,810 km (0.096 R)
• M13: 13,637,940 km (0.104 R)
• M14: 18,407,569 km (0.107 R)
• M15: 18,889,723 km (0.081 R)
• M16: 20,131,984 km (0.093 R)
• M17: 22,504,157 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 3.8

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.68 AU - 10.98 AU

Year: 16942 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,300,815 km

• M1: 47,273 km (0.118 R)
• M2: 511,924 km (0.114 R)
• M3: 823,237 km (0.094 R)
• M4: 1,167,611 km (0.093 R)
• M5: 1,966,913 km (0.076 R)
• M6: 2,330,286 km (0.065 R)
• M7: 2,479,884 km (0.058 R)
• M8: 2,635,914 km (0.069 R)
• M9: 2,840,265 km (0.098 R)
• M10: 3,011,256 km (0.072 R)
• M11: 4,024,033 km (0.076 R)
• M12: 5,802,303 km (0.113 R)
• M13: 6,880,904 km (0.114 R)
• M14: 8,430,588 km (0.115 R)
• M15: 9,101,534 km (0.119 R)
• M16: 9,759,316 km (0.115 R)
• M17: 10,498,479 km (0.095 R)
• M18: 10,701,633 km (0.103 R)
• M19: 11,116,019 km (0.051 R)
• M20: 13,951,647 km (0.092 R)
• M21: 14,135,652 km (0.113 R)
• M22: 14,760,822 km (0.086 R)
• M23: 15,666,637 km (0.116 R)
• M24: 17,659,879 km (0.111 R)
• M25: 21,319,492 km (0.091 R)
• M26: 29,182,954 km (0.064 R)
• M27: 39,386,127 km (0.085 R)
• M28: 40,371,529 km (0.089 R)
• M29: 42,263,493 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.8

Radius: 4.8

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.35 AU - 12.11 AU

Year: 24299 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,300,815 km

• M1: 59,690 km (0.117 R)
• M2: 257,458 km (0.111 R)
• M3: 536,159 km (0.066 R)
• M4: 860,936 km (0.061 R)
• M5: 1,783,207 km (0.06 R)
• M6: 1,952,252 km (0.115 R)
• M7: 2,690,518 km (0.088 R)
• M8: 3,964,344 km (0.112 R)
• M9: 4,522,942 km (0.088 R)
• M10: 5,437,434 km (0.081 R)
• M11: 7,624,854 km (0.091 R)
• M12: 8,965,999 km (0.054 R)
• M13: 9,692,296 km (0.064 R)
• M14: 10,578,215 km (0.097 R)
• M15: 17,905,070 km (0.077 R)
• M16: 23,509,754 km (0.078 R)
• M17: 29,935,282 km (0.114 R)
• M18: 31,422,584 km (0.074 R)
• M19: 32,312,691 km (0.054 R)
• M20: 33,877,186 km (0.05 R)
• M21: 37,297,592 km (0.08 R)
• M22: 37,865,315 km (0.074 R)
• M23: 40,641,254 km (0.071 R)
• M24: 42,926,211 km (0.119 R)
• M25: 48,925,984 km (0.087 R)
• M26: 49,265,272 km (0.109 R)
• M27: 54,363,717 km (0.084 R)
• M28: 58,077,783 km (0.079 R)
• M29: 59,224,151 km (0.088 R)
• M30: 59,996,675 km (0.099 R)
• M31: 63,758,164 km (0.103 R)
• M32: 63,960,270 km (0.078 R)
• M33: 70,876,030 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 11,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit