🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 15

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 8.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,614,591 km

• M1: 186,997 km (0.119 R)
• M2: 900,280 km (0.084 R)
• M3: 1,567,786 km (0.093 R)
• M4: 2,053,530 km (0.111 R)
• M5: 2,697,848 km (0.108 R)
• M6: 3,286,964 km (0.105 R)
• M7: 4,685,854 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 8.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.67 AU - 0.69 AU

Year: 380 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,614,591 km

• M1: 105,766 km (0.111 R)
• M2: 419,772 km (0.068 R)
• M3: 1,080,994 km (0.064 R)
• M4: 1,401,882 km (0.119 R)
• M5: 1,907,971 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 11

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.84 AU - 1.08 AU

Year: 638 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,614,591 km

• M1: 137,181 km (0.072 R)
• M2: 497,114 km (0.109 R)
• M3: 968,796 km (0.117 R)
• M4: 1,378,694 km (0.065 R)
• M5: 2,175,153 km (0.109 R)
• M6: 2,645,339 km (0.086 R)
• M7: 3,254,950 km (0.067 R)
• M8: 3,956,116 km (0.107 R)
• M9: 4,492,723 km (0.063 R)
• M10: 5,210,344 km (0.046 R)
• M11: 5,712,095 km (0.027 R)
• M12: 6,399,049 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.9

Radius: 9.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.91 AU - 1.33 AU

Year: 804 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,614,591 km

• M1: 123,717 km (0.112 R)
• M2: 819,796 km (0.107 R)
• M3: 1,430,305 km (0.112 R)
• M4: 2,171,114 km (0.052 R)
• M5: 2,729,712 km (0.079 R)
• M6: 3,331,694 km (0.105 R)
• M7: 3,691,178 km (0.108 R)
• M8: 4,534,611 km (0.071 R)
• M9: 5,431,899 km (0.081 R)
• M10: 5,822,349 km (0.112 R)
• M11: 6,269,647 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.1

Radius: 12.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.34 AU - 1.76 AU

Year: 1309 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,614,591 km

• M1: 155,582 km (0.114 R)
• M2: 556,803 km (0.081 R)
• M3: 951,293 km (0.081 R)
• M4: 1,411,007 km (0.086 R)
• M5: 1,928,017 km (0.029 R)
• M6: 2,722,681 km (0.086 R)
• M7: 3,381,660 km (0.111 R)
• M8: 3,990,074 km (0.079 R)
• M9: 4,576,797 km (0.077 R)
• M10: 5,019,308 km (0.072 R)
• M11: 5,532,728 km (0.078 R)
• M12: 6,380,200 km (0.09 R)
• M13: 6,835,576 km (0.097 R)
• M14: 7,865,557 km (0.115 R)
• M15: 8,305,524 km (0.038 R)
• M16: 10,200,331 km (0.025 R)
• M17: 11,163,292 km (0.098 R)
• M18: 11,933,422 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 9.4

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.53 AU - 3.75 AU

Year: 3774 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,614,591 km

• M1: 116,836 km (0.061 R)
• M2: 578,046 km (0.097 R)
• M3: 1,323,193 km (0.113 R)
• M4: 2,084,646 km (0.087 R)
• M5: 2,432,910 km (0.114 R)
• M6: 3,287,264 km (0.038 R)
• M7: 3,740,545 km (0.077 R)
• M8: 4,050,362 km (0.12 R)
• M9: 4,425,404 km (0.101 R)
• M10: 4,875,095 km (0.107 R)
• M11: 5,466,007 km (0.108 R)
• M12: 6,440,787 km (0.054 R)
• M13: 7,019,282 km (0.059 R)
• M14: 7,951,426 km (0.099 R)
• M15: 8,886,114 km (0.041 R)
• M16: 9,240,062 km (0.029 R)
• M17: 10,972,854 km (0.071 R)
• M18: 11,334,582 km (0.099 R)
• M19: 12,370,996 km (0.083 R)
• M20: 12,812,609 km (0.069 R)
• M21: 15,460,940 km (0.087 R)
• M22: 18,966,168 km (0.091 R)
• M23: 19,487,965 km (0.118 R)
• M24: 20,220,995 km (0.074 R)
• M25: 25,166,251 km (0.058 R)
• M26: 27,006,305 km (0.111 R)
• M27: 27,666,780 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 10.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4 AU - 4.1 AU

Year: 5528 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,614,591 km

• M1: 133,142 km (0.084 R)
• M2: 474,524 km (0.107 R)
• M3: 1,311,824 km (0.034 R)
• M4: 1,882,689 km (0.056 R)
• M5: 2,427,076 km (0.086 R)
• M6: 2,939,748 km (0.116 R)
• M7: 3,675,620 km (0.075 R)
• M8: 5,778,517 km (0.052 R)
• M9: 8,195,121 km (0.066 R)
• M10: 8,780,946 km (0.099 R)
• M11: 9,228,244 km (0.06 R)
• M12: 9,563,044 km (0.038 R)
• M13: 11,551,798 km (0.09 R)
• M14: 12,288,867 km (0.114 R)
• M15: 18,750,148 km (0.025 R)
• M16: 20,466,485 km (0.085 R)
• M17: 23,894,370 km (0.095 R)
• M18: 26,577,259 km (0.079 R)
• M19: 27,514,639 km (0.089 R)
• M20: 28,827,958 km (0.038 R)
• M21: 30,551,027 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.1

Radius: 5.7

Gravity: 30.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.82 AU - 6.92 AU

Year: 10904 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,614,591 km

• M1: 70,909 km (0.112 R)
• M2: 328,816 km (0.051 R)
• M3: 523,293 km (0.052 R)
• M4: 733,478 km (0.036 R)
• M5: 989,440 km (0.077 R)
• M6: 1,175,839 km (0.085 R)
• M7: 1,934,300 km (0.102 R)
• M8: 2,307,248 km (0.052 R)
• M9: 2,511,000 km (0.116 R)
• M10: 3,098,022 km (0.074 R)
• M11: 3,372,235 km (0.112 R)
• M12: 5,301,749 km (0.108 R)
• M13: 7,289,306 km (0.104 R)
• M14: 7,640,711 km (0.108 R)
• M15: 8,142,163 km (0.105 R)
• M16: 8,910,348 km (0.11 R)
• M17: 13,036,258 km (0.083 R)
• M18: 13,619,540 km (0.089 R)
• M19: 15,545,912 km (0.095 R)
• M20: 16,424,350 km (0.118 R)
• M21: 16,875,837 km (0.1 R)
• M22: 17,568,475 km (0.109 R)
• M23: 18,846,340 km (0.103 R)
• M24: 19,591,636 km (0.081 R)
• M25: 20,270,661 km (0.08 R)
• M26: 25,769,879 km (0.088 R)
• M27: 29,350,953 km (0.1 R)
• M28: 29,682,013 km (0.106 R)
• M29: 29,904,166 km (0.096 R)
• M30: 31,031,236 km (0.116 R)
• M31: 31,259,971 km (0.061 R)
• M32: 38,658,184 km (0.075 R)
• M33: 40,401,747 km (0.12 R)
• M34: 42,337,245 km (0.086 R)
• M35: 45,797,743 km (0.114 R)
• M36: 48,976,248 km (0.081 R)
• M37: 50,540,294 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 7.8

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.86 AU - 9.22 AU

Year: 15462 Days

Day: 18.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,614,591 km

• M1: 164,258 km (0.083 R)
• M2: 582,833 km (0.086 R)
• M3: 1,088,923 km (0.087 R)
• M4: 1,382,284 km (0.096 R)
• M5: 1,696,141 km (0.054 R)
• M6: 1,966,763 km (0.056 R)
• M7: 3,151,878 km (0.061 R)
• M8: 3,457,955 km (0.09 R)
• M9: 4,130,248 km (0.119 R)
• M10: 5,333,164 km (0.076 R)
• M11: 6,034,629 km (0.11 R)
• M12: 6,589,637 km (0.11 R)
• M13: 7,893,382 km (0.12 R)
• M14: 8,753,570 km (0.1 R)
• M15: 9,104,526 km (0.044 R)
• M16: 10,213,795 km (0.089 R)
• M17: 10,490,700 km (0.092 R)
• M18: 13,944,616 km (0.09 R)
• M19: 16,075,189 km (0.109 R)
• M20: 25,638,831 km (0.074 R)
• M21: 26,670,009 km (0.077 R)
• M22: 28,486,127 km (0.055 R)
• M23: 29,035,600 km (0.119 R)
• M24: 30,726,355 km (0.077 R)
• M25: 33,202,350 km (0.052 R)
• M26: 36,191,315 km (0.099 R)
• M27: 37,095,784 km (0.036 R)
• M28: 39,490,696 km (0.093 R)
• M29: 39,899,547 km (0.091 R)
• M30: 43,273,278 km (0.089 R)
• M31: 44,145,584 km (0.068 R)
• M32: 52,859,360 km (0.041 R)
• M33: 53,356,025 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.9

Radius: 4.8

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.67 AU - 10.31 AU

Year: 19829 Days

Day: 21.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,614,591 km

• M1: 59,989 km (0.082 R)
• M2: 560,842 km (0.043 R)
• M3: 720,314 km (0.088 R)
• M4: 3,300,129 km (0.111 R)
• M5: 5,993,639 km (0.114 R)
• M6: 7,174,415 km (0.081 R)
• M7: 8,961,810 km (0.029 R)
• M8: 9,764,103 km (0.095 R)
• M9: 11,572,143 km (0.092 R)
• M10: 12,718,362 km (0.089 R)
• M11: 13,868,471 km (0.104 R)
• M12: 18,313,173 km (0.086 R)
• M13: 20,042,225 km (0.12 R)
• M14: 20,310,604 km (0.045 R)
• M15: 29,293,507 km (0.077 R)
• M16: 30,811,327 km (0.088 R)
• M17: 35,286,847 km (0.114 R)
• M18: 39,752,941 km (0.087 R)
• M19: 45,192,021 km (0.066 R)
• M20: 48,168,570 km (0.078 R)
• M21: 57,157,008 km (0.106 R)
• M22: 58,969,386 km (0.048 R)
• M23: 59,889,862 km (0.107 R)
• M24: 63,667,507 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 16,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit