🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.13 AU - 1.41 AU

Year: 648 Days

Day: 39.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.81 AU - 2.49 AU

Year: 1428 Days

Day: 17.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.05 AU - 2.39 AU

Year: 1499 Days

Day: 20.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 73.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,659,942 km

• M1: 2,204,624 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.2

Radius: 9.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.5 AU - 4.22 AU

Year: 3436 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,659,942 km

• M1: 113,096 km (0.093 R)
• M2: 399,127 km (0.117 R)
• M3: 695,929 km (0.11 R)
• M4: 1,003,652 km (0.066 R)
• M5: 2,112,472 km (0.095 R)
• M6: 2,875,421 km (0.05 R)
• M7: 4,797,903 km (0.111 R)
• M8: 7,084,506 km (0.074 R)
• M9: 7,515,647 km (0.033 R)
• M10: 7,899,067 km (0.086 R)
• M11: 9,272,076 km (0.095 R)
• M12: 9,564,839 km (0.109 R)
• M13: 10,401,690 km (0.081 R)
• M14: 12,090,350 km (0.074 R)
• M15: 13,159,676 km (0.09 R)
• M16: 14,880,051 km (0.041 R)
• M17: 15,587,949 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 11.4

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.94 AU - 8.02 AU

Year: 7473 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,659,942 km

• M1: 141,819 km (0.094 R)
• M2: 505,491 km (0.107 R)
• M3: 969,245 km (0.075 R)
• M4: 2,308,445 km (0.09 R)
• M5: 3,845,264 km (0.098 R)
• M6: 5,319,700 km (0.098 R)
• M7: 5,774,328 km (0.073 R)
• M8: 6,541,466 km (0.071 R)
• M9: 7,375,175 km (0.091 R)
• M10: 8,193,326 km (0.094 R)
• M11: 9,071,016 km (0.064 R)
• M12: 9,961,722 km (0.116 R)
• M13: 11,432,419 km (0.113 R)
• M14: 12,527,924 km (0.086 R)
• M15: 13,159,526 km (0.084 R)
• M16: 16,234,511 km (0.055 R)
• M17: 17,475,425 km (0.11 R)
• M18: 18,704,521 km (0.082 R)
• M19: 19,151,819 km (0.105 R)
• M20: 20,615,484 km (0.061 R)
• M21: 24,113,531 km (0.075 R)
• M22: 27,988,864 km (0.116 R)
• M23: 28,476,254 km (0.118 R)
• M24: 29,168,144 km (0.112 R)
• M25: 31,836,372 km (0.05 R)
• M26: 32,581,668 km (0.081 R)
• M27: 35,793,834 km (0.111 R)
• M28: 36,368,290 km (0.118 R)
• M29: 42,711,987 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 9.4

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.88 AU - 8.5 AU

Year: 8734 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,659,942 km

• M1: 116,986 km (0.103 R)
• M2: 544,835 km (0.074 R)
• M3: 872,305 km (0.092 R)
• M4: 1,409,511 km (0.115 R)
• M5: 1,784,104 km (0.044 R)
• M6: 2,087,040 km (0.108 R)
• M7: 2,405,983 km (0.059 R)
• M8: 2,946,180 km (0.106 R)
• M9: 3,256,895 km (0.104 R)
• M10: 5,218,722 km (0.069 R)
• M11: 6,124,986 km (0.071 R)
• M12: 7,821,575 km (0.109 R)
• M13: 8,203,947 km (0.106 R)
• M14: 9,052,167 km (0.045 R)
• M15: 10,611,426 km (0.082 R)
• M16: 11,346,998 km (0.062 R)
• M17: 12,861,228 km (0.057 R)
• M18: 13,575,708 km (0.1 R)
• M19: 15,083,654 km (0.084 R)
• M20: 16,013,405 km (0.12 R)
• M21: 17,122,075 km (0.119 R)
• M22: 19,184,132 km (0.05 R)
• M23: 19,569,047 km (0.109 R)
• M24: 20,354,286 km (0.081 R)
• M25: 22,922,583 km (0.075 R)
• M26: 25,145,308 km (0.106 R)
• M27: 28,793,252 km (0.044 R)
• M28: 32,235,200 km (0.112 R)
• M29: 34,449,398 km (0.062 R)
• M30: 37,837,490 km (0.115 R)
• M31: 38,809,876 km (0.111 R)
• M32: 40,677,755 km (0.113 R)
• M33: 42,085,172 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.7

Radius: 6.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 12.77 AU - 17.79 AU

Year: 27059 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,659,942 km

• M1: 85,869 km (0.047 R)
• M2: 482,304 km (0.114 R)
• M3: 846,874 km (0.098 R)
• M4: 2,479,136 km (0.099 R)
• M5: 4,455,623 km (0.075 R)
• M6: 6,925,035 km (0.044 R)
• M7: 7,490,665 km (0.097 R)
• M8: 8,501,497 km (0.069 R)
• M9: 8,930,245 km (0.096 R)
• M10: 9,205,505 km (0.091 R)
• M11: 9,600,294 km (0.038 R)
• M12: 14,266,850 km (0.096 R)
• M13: 15,337,522 km (0.118 R)
• M14: 15,653,173 km (0.101 R)
• M15: 16,791,763 km (0.086 R)
• M16: 17,724,356 km (0.07 R)
• M17: 19,971,615 km (0.092 R)
• M18: 20,633,436 km (0.089 R)
• M19: 23,740,733 km (0.059 R)
• M20: 25,131,844 km (0.109 R)
• M21: 25,350,556 km (0.097 R)
• M22: 28,075,631 km (0.075 R)
• M23: 28,786,221 km (0.111 R)
• M24: 31,748,707 km (0.108 R)
• M25: 32,132,725 km (0.084 R)
• M26: 36,284,664 km (0.035 R)
• M27: 39,586,589 km (0.038 R)
• M28: 41,538,691 km (0.098 R)
• M29: 42,771,378 km (0.105 R)
• M30: 43,869,875 km (0.072 R)
• M31: 51,560,552 km (0.054 R)
• M32: 55,537,013 km (0.081 R)
• M33: 62,276,696 km (0.079 R)
• M34: 71,716,471 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 18,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit