🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.43 AU - 0.71 AU

Year: 150 Days

Day: 12 Hours

Environment

Temp: 245 °C

Axial Tilt: 41.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.65 AU - 0.69 AU

Year: 191 Days

Day: 26.6 Hours

Environment

Temp: 215 °C

Axial Tilt: 13.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,490,256 km

• M1: 34,108 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.68 AU - 0.94 AU

Year: 254 Days

Day: 26.3 Hours

Environment

Temp: 201 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.71 AU - 1.11 AU

Year: 302 Days

Day: 44.3 Hours

Environment

Temp: 166 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,490,256 km

• M1: 52,359 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 11.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.77 AU - 6.23 AU

Year: 5118 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,490,256 km

• M1: 285,732 km (0.079 R)
• M2: 759,359 km (0.103 R)
• M3: 1,931,309 km (0.088 R)
• M4: 2,457,594 km (0.103 R)
• M5: 2,851,036 km (0.049 R)
• M6: 3,585,412 km (0.068 R)
• M7: 4,006,381 km (0.08 R)
• M8: 5,195,534 km (0.106 R)
• M9: 6,957,647 km (0.079 R)
• M10: 8,696,124 km (0.111 R)
• M11: 10,948,619 km (0.108 R)
• M12: 11,334,881 km (0.109 R)
• M13: 12,322,077 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 8.3

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.88 AU - 6.44 AU

Year: 5324 Days

Day: 7.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,490,256 km

• M1: 103,671 km (0.087 R)
• M2: 440,566 km (0.101 R)
• M3: 916,437 km (0.115 R)
• M4: 1,190,649 km (0.074 R)
• M5: 1,508,545 km (0.108 R)
• M6: 1,814,173 km (0.118 R)
• M7: 2,115,463 km (0.113 R)
• M8: 2,801,819 km (0.08 R)
• M9: 3,606,655 km (0.106 R)
• M10: 4,134,885 km (0.115 R)
• M11: 4,981,459 km (0.097 R)
• M12: 5,259,712 km (0.093 R)
• M13: 6,445,424 km (0.092 R)
• M14: 9,005,493 km (0.107 R)
• M15: 9,419,430 km (0.106 R)
• M16: 10,241,021 km (0.114 R)
• M17: 10,830,138 km (0.108 R)
• M18: 11,585,906 km (0.107 R)
• M19: 13,414,441 km (0.038 R)
• M20: 18,021,307 km (0.093 R)
• M21: 20,606,359 km (0.104 R)
• M22: 22,814,573 km (0.099 R)
• M23: 24,851,946 km (0.044 R)
• M24: 31,028,094 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 9.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 11.12 AU - 12.14 AU

Year: 13812 Days

Day: 11 Hours

Environment

Temp: -172 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,490,256 km

• M1: 115,340 km (0.092 R)
• M2: 698,173 km (0.066 R)
• M3: 1,399,937 km (0.097 R)
• M4: 1,899,444 km (0.09 R)
• M5: 2,389,377 km (0.109 R)
• M6: 3,357,275 km (0.107 R)
• M7: 4,566,774 km (0.065 R)
• M8: 4,926,707 km (0.108 R)
• M9: 6,200,533 km (0.079 R)
• M10: 7,910,436 km (0.065 R)
• M11: 9,075,804 km (0.117 R)
• M12: 9,806,290 km (0.087 R)
• M13: 10,186,119 km (0.057 R)
• M14: 10,575,522 km (0.086 R)
• M15: 13,060,193 km (0.112 R)
• M16: 16,816,745 km (0.05 R)
• M17: 17,204,503 km (0.081 R)
• M18: 19,829,647 km (0.091 R)
• M19: 20,262,732 km (0.046 R)
• M20: 21,965,904 km (0.037 R)
• M21: 23,184,828 km (0.081 R)
• M22: 33,494,814 km (0.101 R)
• M23: 36,642,054 km (0.111 R)
• M24: 44,102,200 km (0.083 R)
• M25: 44,544,112 km (0.116 R)
• M26: 46,950,693 km (0.109 R)
• M27: 50,399,373 km (0.103 R)
• M28: 52,845,298 km (0.095 R)
• M29: 53,343,908 km (0.068 R)
• M30: 58,858,235 km (0.063 R)
• M31: 59,752,830 km (0.109 R)
• M32: 60,293,776 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.5

Radius: 6.3

Gravity: 20.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 13.46 AU - 16.76 AU

Year: 20455 Days

Day: 15 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,490,256 km

• M1: 80,334 km (0.1 R)
• M2: 358,586 km (0.12 R)
• M3: 1,716,636 km (0.052 R)
• M4: 2,043,507 km (0.11 R)
• M5: 2,503,670 km (0.039 R)
• M6: 3,539,037 km (0.105 R)
• M7: 3,908,394 km (0.116 R)
• M8: 4,135,633 km (0.111 R)
• M9: 4,724,301 km (0.111 R)
• M10: 5,567,135 km (0.098 R)
• M11: 6,372,271 km (0.049 R)
• M12: 6,919,201 km (0.087 R)
• M13: 8,476,963 km (0.034 R)
• M14: 9,597,900 km (0.096 R)
• M15: 11,328,598 km (0.112 R)
• M16: 12,685,301 km (0.112 R)
• M17: 15,474,853 km (0.087 R)
• M18: 17,055,055 km (0.047 R)
• M19: 17,400,925 km (0.111 R)
• M20: 17,663,320 km (0.105 R)
• M21: 19,669,427 km (0.066 R)
• M22: 25,005,284 km (0.093 R)
• M23: 27,056,121 km (0.054 R)
• M24: 28,970,974 km (0.039 R)
• M25: 32,934,869 km (0.083 R)
• M26: 34,013,469 km (0.116 R)
• M27: 34,976,431 km (0.11 R)
• M28: 36,669,280 km (0.114 R)
• M29: 38,268,482 km (0.099 R)
• M30: 39,460,328 km (0.114 R)
• M31: 40,065,302 km (0.065 R)
• M32: 42,074,700 km (0.112 R)
• M33: 44,312,535 km (0.105 R)
• M34: 48,159,444 km (0.109 R)
• M35: 48,850,287 km (0.039 R)
• M36: 63,060,290 km (0.091 R)
• M37: 67,052,458 km (0.091 R)
• M38: 68,130,311 km (0.045 R)
• M39: 68,564,743 km (0.09 R)
• M40: 77,881,399 km (0.093 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 19,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit