🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.48 AU - 0.68 AU

Year: 169 Days

Day: 15 Hours

Environment

Temp: 142 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,164,001 km

• M1: 404,363 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.83 AU - 2.41 AU

Year: 1182 Days

Day: 12.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.44 AU - 3.46 AU

Year: 1940 Days

Day: 16.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 12.8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.19 AU - 6.63 AU

Year: 5501 Days

Day: 7.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,164,001 km

• M1: 159,322 km (0.105 R)
• M2: 660,175 km (0.051 R)
• M3: 1,111,363 km (0.045 R)
• M4: 1,605,484 km (0.102 R)
• M5: 2,393,865 km (0.091 R)
• M6: 2,839,667 km (0.109 R)
• M7: 3,277,839 km (0.118 R)
• M8: 3,761,339 km (0.081 R)
• M9: 5,211,840 km (0.104 R)
• M10: 6,557,772 km (0.089 R)
• M11: 8,561,636 km (0.095 R)
• M12: 9,184,262 km (0.1 R)
• M13: 9,616,151 km (0.042 R)
• M14: 11,041,669 km (0.073 R)
• M15: 12,762,194 km (0.116 R)
• M16: 16,538,643 km (0.074 R)
• M17: 21,077,143 km (0.034 R)
• M18: 22,059,852 km (0.088 R)
• M19: 24,608,999 km (0.076 R)
• M20: 27,883,996 km (0.119 R)
• M21: 28,792,055 km (0.047 R)
• M22: 31,245,011 km (0.101 R)
• M23: 34,244,748 km (0.044 R)
• M24: 34,867,075 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 8.2

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.3 AU - 10.1 AU

Year: 9825 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,164,001 km

• M1: 107,561 km (0.081 R)
• M2: 366,814 km (0.117 R)
• M3: 639,232 km (0.097 R)
• M4: 1,032,525 km (0.059 R)
• M5: 1,716,037 km (0.062 R)
• M6: 2,352,127 km (0.096 R)
• M7: 3,525,423 km (0.091 R)
• M8: 4,341,629 km (0.078 R)
• M9: 5,688,758 km (0.116 R)
• M10: 7,129,835 km (0.077 R)
• M11: 7,979,102 km (0.082 R)
• M12: 8,246,732 km (0.039 R)
• M13: 11,041,071 km (0.098 R)
• M14: 16,615,835 km (0.09 R)
• M15: 18,487,903 km (0.089 R)
• M16: 20,496,404 km (0.12 R)
• M17: 23,364,495 km (0.12 R)
• M18: 25,514,814 km (0.076 R)
• M19: 30,312,867 km (0.052 R)
• M20: 30,965,562 km (0.074 R)
• M21: 37,021,434 km (0.111 R)
• M22: 38,269,978 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.4

Radius: 8.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.6 AU - 9.56 AU

Year: 10476 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,164,001 km

• M1: 102,026 km (0.117 R)
• M2: 370,853 km (0.085 R)
• M3: 743,651 km (0.117 R)
• M4: 1,005,148 km (0.096 R)
• M5: 1,982,321 km (0.07 R)
• M6: 2,596,421 km (0.061 R)
• M7: 3,178,207 km (0.097 R)
• M8: 3,887,151 km (0.067 R)
• M9: 4,431,388 km (0.112 R)
• M10: 5,956,688 km (0.106 R)
• M11: 7,873,635 km (0.063 R)
• M12: 8,933,686 km (0.061 R)
• M13: 9,799,109 km (0.063 R)
• M14: 10,252,391 km (0.073 R)
• M15: 13,774,822 km (0.114 R)
• M16: 15,090,236 km (0.097 R)
• M17: 17,011,073 km (0.076 R)
• M18: 17,545,736 km (0.119 R)
• M19: 18,523,657 km (0.075 R)
• M20: 19,089,436 km (0.111 R)
• M21: 23,160,144 km (0.106 R)
• M22: 24,560,978 km (0.094 R)
• M23: 26,017,314 km (0.082 R)
• M24: 26,410,008 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 10.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.53 AU - 10.83 AU

Year: 10650 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,164,001 km

• M1: 135,685 km (0.099 R)
• M2: 569,669 km (0.106 R)
• M3: 1,010,384 km (0.116 R)
• M4: 1,524,701 km (0.088 R)
• M5: 2,104,992 km (0.104 R)
• M6: 3,533,801 km (0.111 R)
• M7: 4,382,021 km (0.112 R)
• M8: 7,334,784 km (0.101 R)
• M9: 8,848,265 km (0.103 R)
• M10: 9,605,380 km (0.097 R)
• M11: 10,150,664 km (0.081 R)
• M12: 10,508,353 km (0.11 R)
• M13: 12,424,851 km (0.067 R)
• M14: 13,619,091 km (0.112 R)
• M15: 14,953,803 km (0.109 R)
• M16: 18,707,513 km (0.05 R)
• M17: 19,324,006 km (0.104 R)
• M18: 20,760,594 km (0.054 R)
• M19: 21,841,439 km (0.029 R)
• M20: 22,352,914 km (0.1 R)
• M21: 23,311,088 km (0.077 R)
• M22: 24,025,119 km (0.102 R)
• M23: 24,570,104 km (0.077 R)
• M24: 26,832,921 km (0.11 R)
• M25: 29,026,176 km (0.073 R)
• M26: 31,121,443 km (0.115 R)
• M27: 31,877,960 km (0.108 R)
• M28: 34,565,486 km (0.091 R)
• M29: 41,546,620 km (0.086 R)
• M30: 42,463,954 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.1

Radius: 6

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.86 AU - 11.94 AU

Year: 15718 Days

Day: 24.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,164,001 km

• M1: 75,397 km (0.112 R)
• M2: 548,875 km (0.06 R)
• M3: 761,154 km (0.093 R)
• M4: 962,064 km (0.119 R)
• M5: 1,198,578 km (0.095 R)
• M6: 1,824,944 km (0.065 R)
• M7: 2,133,266 km (0.056 R)
• M8: 2,518,331 km (0.071 R)
• M9: 3,168,932 km (0.095 R)
• M10: 4,378,131 km (0.068 R)
• M11: 4,665,509 km (0.094 R)
• M12: 4,864,175 km (0.037 R)
• M13: 5,678,586 km (0.089 R)
• M14: 6,256,482 km (0.085 R)
• M15: 6,539,372 km (0.077 R)
• M16: 7,394,473 km (0.1 R)
• M17: 7,802,726 km (0.06 R)
• M18: 8,713,926 km (0.1 R)
• M19: 10,127,925 km (0.085 R)
• M20: 11,092,832 km (0.082 R)
• M21: 13,072,909 km (0.064 R)
• M22: 16,851,303 km (0.116 R)
• M23: 17,557,853 km (0.086 R)
• M24: 18,284,001 km (0.115 R)
• M25: 19,283,016 km (0.101 R)
• M26: 19,624,099 km (0.078 R)
• M27: 21,298,847 km (0.049 R)
• M28: 22,217,528 km (0.078 R)
• M29: 22,404,376 km (0.119 R)
• M30: 28,072,788 km (0.105 R)
• M31: 29,965,949 km (0.086 R)
• M32: 30,885,528 km (0.079 R)
• M33: 36,541,823 km (0.046 R)
• M34: 37,063,920 km (0.109 R)
• M35: 47,799,512 km (0.112 R)
• M36: 53,617,522 km (0.111 R)
• M37: 56,001,813 km (0.055 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: 442 - 13,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit