🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 8.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,209,986 km

• M1: 109,506 km (0.092 R)
• M2: 561,441 km (0.074 R)
• M3: 1,012,778 km (0.086 R)
• M4: 1,335,909 km (0.081 R)
• M5: 2,253,393 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 8.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.58 AU

Year: 954 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,209,986 km

• M1: 108,010 km (0.076 R)
• M2: 552,615 km (0.055 R)
• M3: 1,246,898 km (0.104 R)
• M4: 2,134,462 km (0.116 R)
• M5: 3,381,361 km (0.114 R)
• M6: 4,155,230 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370

Radius: 10.3

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.3 AU - 1.76 AU

Year: 1262 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,209,986 km

• M1: 128,056 km (0.104 R)
• M2: 448,644 km (0.1 R)
• M3: 815,907 km (0.119 R)
• M4: 1,193,492 km (0.045 R)
• M5: 1,697,188 km (0.025 R)
• M6: 2,232,299 km (0.104 R)
• M7: 2,645,489 km (0.102 R)
• M8: 3,243,731 km (0.08 R)
• M9: 3,868,152 km (0.106 R)
• M10: 4,233,919 km (0.104 R)
• M11: 4,835,153 km (0.118 R)
• M12: 5,690,703 km (0.05 R)
• M13: 6,123,190 km (0.088 R)
• M14: 6,869,983 km (0.101 R)
• M15: 7,289,306 km (0.083 R)
• M16: 7,825,016 km (0.115 R)
• M17: 8,153,682 km (0.066 R)
• M18: 9,363,630 km (0.106 R)
• M19: 9,763,505 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 13.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.55 AU - 1.61 AU

Year: 1324 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,209,986 km

• M1: 171,589 km (0.038 R)
• M2: 656,884 km (0.069 R)
• M3: 1,102,836 km (0.094 R)
• M4: 1,926,970 km (0.064 R)
• M5: 2,441,736 km (0.083 R)
• M6: 3,048,655 km (0.082 R)
• M7: 4,332,354 km (0.098 R)
• M8: 5,330,172 km (0.034 R)
• M9: 5,861,843 km (0.087 R)
• M10: 6,594,274 km (0.052 R)
• M11: 7,107,544 km (0.083 R)
• M12: 8,926,505 km (0.105 R)
• M13: 12,013,158 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 11.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.68 AU - 3.26 AU

Year: 3413 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,209,986 km

• M1: 148,102 km (0.119 R)
• M2: 560,842 km (0.11 R)
• M3: 941,270 km (0.109 R)
• M4: 1,492,987 km (0.104 R)
• M5: 2,417,202 km (0.103 R)
• M6: 2,800,023 km (0.039 R)
• M7: 3,223,685 km (0.058 R)
• M8: 3,918,716 km (0.052 R)
• M9: 4,906,960 km (0.061 R)
• M10: 6,494,193 km (0.11 R)
• M11: 7,050,248 km (0.116 R)
• M12: 7,909,239 km (0.096 R)
• M13: 8,293,257 km (0.118 R)
• M14: 8,873,996 km (0.101 R)
• M15: 11,209,668 km (0.051 R)
• M16: 13,529,931 km (0.087 R)
• M17: 13,928,759 km (0.096 R)
• M18: 14,697,991 km (0.08 R)
• M19: 16,888,104 km (0.075 R)
• M20: 17,467,945 km (0.11 R)
• M21: 17,881,733 km (0.093 R)
• M22: 20,243,285 km (0.095 R)
• M23: 20,897,775 km (0.108 R)
• M24: 21,297,202 km (0.108 R)
• M25: 22,249,243 km (0.057 R)
• M26: 24,019,285 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 13.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.17 AU - 3.93 AU

Year: 4460 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,209,986 km

• M1: 170,392 km (0.094 R)
• M2: 712,385 km (0.093 R)
• M3: 1,401,582 km (0.057 R)
• M4: 2,174,405 km (0.048 R)
• M5: 2,689,471 km (0.08 R)
• M6: 3,149,783 km (0.105 R)
• M7: 3,625,804 km (0.091 R)
• M8: 4,129,799 km (0.054 R)
• M9: 4,905,314 km (0.12 R)
• M10: 5,401,231 km (0.054 R)
• M11: 5,904,628 km (0.058 R)
• M12: 7,006,416 km (0.085 R)
• M13: 8,672,039 km (0.059 R)
• M14: 9,153,146 km (0.117 R)
• M15: 9,615,852 km (0.062 R)
• M16: 11,218,793 km (0.095 R)
• M17: 12,168,889 km (0.112 R)
• M18: 12,729,283 km (0.079 R)
• M19: 13,808,931 km (0.051 R)
• M20: 14,610,177 km (0.085 R)
• M21: 15,442,091 km (0.045 R)
• M22: 17,093,501 km (0.119 R)
• M23: 18,183,920 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 10

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.78 AU - 4.12 AU

Year: 5235 Days

Day: 7 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,209,986 km

• M1: 128,654 km (0.072 R)
• M2: 473,328 km (0.113 R)
• M3: 826,379 km (0.085 R)
• M4: 1,451,847 km (0.082 R)
• M5: 1,775,128 km (0.059 R)
• M6: 2,536,581 km (0.097 R)
• M7: 2,878,113 km (0.106 R)
• M8: 3,950,880 km (0.115 R)
• M9: 5,591,220 km (0.04 R)
• M10: 6,431,811 km (0.079 R)
• M11: 7,037,383 km (0.116 R)
• M12: 7,354,231 km (0.109 R)
• M13: 8,362,521 km (0.1 R)
• M14: 10,606,190 km (0.114 R)
• M15: 11,500,037 km (0.111 R)
• M16: 13,545,190 km (0.044 R)
• M17: 14,882,744 km (0.089 R)
• M18: 16,306,168 km (0.117 R)
• M19: 19,148,228 km (0.108 R)
• M20: 19,837,426 km (0.114 R)
• M21: 20,471,721 km (0.09 R)
• M22: 21,265,337 km (0.092 R)
• M23: 21,632,750 km (0.113 R)
• M24: 22,531,982 km (0.063 R)
• M25: 23,848,145 km (0.112 R)
• M26: 26,294,967 km (0.109 R)
• M27: 28,369,142 km (0.072 R)
• M28: 30,457,229 km (0.096 R)
• M29: 31,681,687 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 14.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.93 AU - 4.21 AU

Year: 5475 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,209,986 km

• M1: 177,872 km (0.101 R)
• M2: 980,464 km (0.099 R)
• M3: 1,761,515 km (0.104 R)
• M4: 2,531,794 km (0.101 R)
• M5: 3,944,746 km (0.105 R)
• M6: 4,510,825 km (0.106 R)
• M7: 5,584,040 km (0.092 R)
• M8: 7,459,847 km (0.061 R)
• M9: 8,857,690 km (0.093 R)
• M10: 9,407,163 km (0.119 R)
• M11: 13,597,998 km (0.102 R)
• M12: 17,474,527 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.4

Radius: 4.4

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.27 AU - 6.41 AU

Year: 9411 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,209,986 km

• M1: 54,753 km (0.093 R)
• M2: 200,910 km (0.091 R)
• M3: 366,664 km (0.117 R)
• M4: 721,959 km (0.115 R)
• M5: 860,637 km (0.086 R)
• M6: 1,054,665 km (0.096 R)
• M7: 1,723,517 km (0.08 R)
• M8: 2,413,911 km (0.072 R)
• M9: 2,896,364 km (0.101 R)
• M10: 3,110,439 km (0.11 R)
• M11: 3,931,881 km (0.083 R)
• M12: 4,728,340 km (0.098 R)
• M13: 5,053,117 km (0.088 R)
• M14: 5,392,554 km (0.118 R)
• M15: 5,686,813 km (0.117 R)
• M16: 6,869,534 km (0.111 R)
• M17: 7,500,388 km (0.073 R)
• M18: 7,829,953 km (0.069 R)
• M19: 8,207,238 km (0.068 R)
• M20: 8,636,285 km (0.116 R)
• M21: 10,013,034 km (0.077 R)
• M22: 11,577,828 km (0.09 R)
• M23: 12,931,240 km (0.092 R)
• M24: 13,511,530 km (0.098 R)
• M25: 20,513,907 km (0.05 R)
• M26: 21,667,606 km (0.111 R)
• M27: 22,711,949 km (0.082 R)
• M28: 24,261,633 km (0.065 R)
• M29: 25,062,131 km (0.113 R)
• M30: 30,792,927 km (0.117 R)
• M31: 31,447,567 km (0.106 R)

Asteroid Belt

Center: 7.11 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.2

Radius: 6

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.36 AU - 9.4 AU

Year: 16177 Days

Day: 16.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,209,986 km

• M1: 93,648 km (0.036 R)
• M2: 308,471 km (0.111 R)
• M3: 626,516 km (0.091 R)
• M4: 835,803 km (0.077 R)
• M5: 1,173,296 km (0.066 R)
• M6: 1,703,471 km (0.058 R)
• M7: 2,362,300 km (0.112 R)
• M8: 3,836,138 km (0.079 R)
• M9: 4,703,357 km (0.037 R)
• M10: 5,451,646 km (0.048 R)
• M11: 9,795,968 km (0.06 R)
• M12: 10,103,391 km (0.039 R)
• M13: 10,364,589 km (0.099 R)
• M14: 12,983,001 km (0.118 R)
• M15: 13,988,448 km (0.113 R)
• M16: 15,044,759 km (0.085 R)
• M17: 15,523,173 km (0.063 R)
• M18: 17,019,600 km (0.096 R)
• M19: 17,992,585 km (0.056 R)
• M20: 18,765,856 km (0.03 R)
• M21: 20,295,943 km (0.102 R)
• M22: 22,345,135 km (0.096 R)
• M23: 25,095,342 km (0.108 R)
• M24: 26,551,528 km (0.105 R)
• M25: 27,350,829 km (0.067 R)
• M26: 28,997,303 km (0.111 R)
• M27: 29,525,085 km (0.103 R)
• M28: 33,400,268 km (0.064 R)
• M29: 33,980,109 km (0.077 R)
• M30: 36,245,171 km (0.079 R)
• M31: 36,857,475 km (0.069 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: 310 - 13,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit