🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.8

Radius: 8.4

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,905,056 km

• M1: 108,758 km (0.082 R)
• M2: 377,585 km (0.103 R)
• M3: 788,979 km (0.073 R)
• M4: 1,182,870 km (0.079 R)
• M5: 1,472,791 km (0.046 R)
• M6: 1,928,915 km (0.082 R)
• M7: 2,419,297 km (0.105 R)
• M8: 2,714,902 km (0.075 R)
• M9: 3,101,613 km (0.102 R)
• M10: 3,415,469 km (0.095 R)
• M11: 4,093,746 km (0.039 R)
• M12: 4,429,144 km (0.064 R)
• M13: 4,813,012 km (0.118 R)
• M14: 5,123,428 km (0.113 R)
• M15: 5,414,097 km (0.037 R)
• M16: 5,784,501 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 13.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.77 AU - 0.87 AU

Year: 504 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,905,056 km

• M1: 175,030 km (0.053 R)
• M2: 1,352,664 km (0.094 R)
• M3: 2,324,751 km (0.066 R)
• M4: 2,811,393 km (0.1 R)
• M5: 3,290,854 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.9

Radius: 11.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.85 AU - 0.91 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,905,056 km

• M1: 147,952 km (0.065 R)
• M2: 539,300 km (0.096 R)
• M3: 938,427 km (0.107 R)
• M4: 1,455,288 km (0.111 R)
• M5: 2,343,600 km (0.056 R)
• M6: 2,788,953 km (0.109 R)
• M7: 3,513,156 km (0.081 R)
• M8: 3,920,212 km (0.085 R)
• M9: 4,613,299 km (0.114 R)
• M10: 5,135,844 km (0.11 R)
• M11: 5,858,103 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 8.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.9 AU - 1.2 AU

Year: 730 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,905,056 km

• M1: 105,317 km (0.094 R)
• M2: 528,529 km (0.099 R)
• M3: 810,671 km (0.096 R)
• M4: 1,196,334 km (0.094 R)
• M5: 1,528,441 km (0.084 R)
• M6: 2,596,570 km (0.05 R)
• M7: 2,914,167 km (0.08 R)
• M8: 3,257,643 km (0.065 R)
• M9: 3,899,568 km (0.117 R)
• M10: 4,607,614 km (0.042 R)
• M11: 5,592,118 km (0.107 R)
• M12: 6,143,536 km (0.091 R)
• M13: 6,610,431 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.5

Radius: 10.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.87 AU - 1.31 AU

Year: 772 Days

Day: 12.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,905,056 km

• M1: 134,488 km (0.073 R)
• M2: 535,560 km (0.119 R)
• M3: 881,879 km (0.085 R)
• M4: 1,436,439 km (0.119 R)
• M5: 2,134,612 km (0.083 R)
• M6: 2,767,261 km (0.078 R)
• M7: 3,384,203 km (0.114 R)
• M8: 3,805,770 km (0.098 R)
• M9: 4,230,777 km (0.096 R)
• M10: 4,738,213 km (0.076 R)
• M11: 6,135,457 km (0.104 R)
• M12: 6,571,834 km (0.098 R)
• M13: 6,940,144 km (0.096 R)
• M14: 7,624,106 km (0.113 R)
• M15: 8,055,696 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.2

Radius: 10.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.74 AU - 1.82 AU

Year: 1611 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,905,056 km

• M1: 128,205 km (0.1 R)
• M2: 911,201 km (0.109 R)
• M3: 1,580,801 km (0.1 R)
• M4: 2,463,877 km (0.045 R)
• M5: 4,253,067 km (0.103 R)
• M6: 5,030,976 km (0.104 R)
• M7: 5,416,490 km (0.105 R)
• M8: 6,393,215 km (0.113 R)
• M9: 7,114,725 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 10.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.29 AU - 5.91 AU

Year: 7812 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,905,056 km

• M1: 128,205 km (0.087 R)
• M2: 454,628 km (0.093 R)
• M3: 838,646 km (0.107 R)
• M4: 1,939,985 km (0.093 R)
• M5: 2,780,426 km (0.088 R)
• M6: 4,923,864 km (0.118 R)
• M7: 5,646,871 km (0.096 R)
• M8: 6,403,088 km (0.111 R)
• M9: 7,866,754 km (0.098 R)
• M10: 8,589,162 km (0.052 R)
• M11: 9,826,635 km (0.091 R)
• M12: 10,817,123 km (0.074 R)
• M13: 11,336,826 km (0.108 R)
• M14: 12,426,048 km (0.095 R)
• M15: 13,524,246 km (0.06 R)
• M16: 14,560,510 km (0.118 R)
• M17: 16,722,050 km (0.075 R)
• M18: 18,939,689 km (0.119 R)
• M19: 21,589,965 km (0.107 R)
• M20: 23,863,553 km (0.083 R)
• M21: 26,947,962 km (0.12 R)
• M22: 27,518,678 km (0.085 R)
• M23: 28,684,045 km (0.112 R)
• M24: 31,113,066 km (0.094 R)
• M25: 31,741,078 km (0.04 R)
• M26: 32,806,663 km (0.11 R)
• M27: 34,005,990 km (0.101 R)
• M28: 40,942,843 km (0.116 R)
• M29: 42,845,728 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.4

Radius: 7.4

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.97 AU - 6.49 AU

Year: 9303 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,905,056 km

• M1: 92,003 km (0.027 R)
• M2: 331,060 km (0.099 R)
• M3: 572,511 km (0.072 R)
• M4: 1,271,582 km (0.037 R)
• M5: 1,594,115 km (0.05 R)
• M6: 2,424,981 km (0.099 R)
• M7: 2,924,938 km (0.102 R)
• M8: 3,319,128 km (0.095 R)
• M9: 4,810,469 km (0.059 R)
• M10: 5,738,425 km (0.087 R)
• M11: 6,319,463 km (0.041 R)
• M12: 8,344,569 km (0.072 R)
• M13: 9,429,902 km (0.103 R)
• M14: 9,828,730 km (0.053 R)
• M15: 10,290,688 km (0.069 R)
• M16: 10,606,639 km (0.115 R)
• M17: 19,227,665 km (0.085 R)
• M18: 20,113,135 km (0.116 R)
• M19: 22,932,755 km (0.117 R)
• M20: 25,715,276 km (0.091 R)
• M21: 26,199,973 km (0.083 R)
• M22: 27,791,844 km (0.099 R)
• M23: 29,131,941 km (0.075 R)
• M24: 30,299,104 km (0.091 R)
• M25: 30,839,751 km (0.064 R)
• M26: 39,612,170 km (0.045 R)
• M27: 42,240,156 km (0.063 R)
• M28: 45,262,781 km (0.101 R)
• M29: 45,827,363 km (0.111 R)
• M30: 46,254,016 km (0.107 R)
• M31: 47,986,659 km (0.081 R)
• M32: 49,165,490 km (0.119 R)
• M33: 49,612,638 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.8

Radius: 4.5

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.24 AU - 8.88 AU

Year: 14099 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,905,056 km

• M1: 64,925 km (0.1 R)
• M2: 239,805 km (0.106 R)
• M3: 530,025 km (0.096 R)
• M4: 720,613 km (0.1 R)
• M5: 1,730,249 km (0.115 R)
• M6: 2,017,626 km (0.103 R)
• M7: 2,190,562 km (0.111 R)
• M8: 2,507,560 km (0.117 R)
• M9: 2,918,654 km (0.064 R)
• M10: 3,926,795 km (0.052 R)
• M11: 5,243,405 km (0.084 R)
• M12: 6,125,135 km (0.086 R)
• M13: 6,269,048 km (0.071 R)
• M14: 7,462,241 km (0.12 R)
• M15: 7,877,525 km (0.055 R)
• M16: 9,693,493 km (0.111 R)
• M17: 17,275,712 km (0.106 R)
• M18: 18,671,161 km (0.098 R)
• M19: 20,219,499 km (0.11 R)
• M20: 28,552,250 km (0.114 R)
• M21: 35,335,466 km (0.07 R)
• M22: 42,331,709 km (0.102 R)
• M23: 44,315,078 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.6

Radius: 5.2

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.51 AU - 11.83 AU

Year: 20395 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,905,056 km

• M1: 64,626 km (0.117 R)
• M2: 363,523 km (0.112 R)
• M3: 626,067 km (0.111 R)
• M4: 866,770 km (0.092 R)
• M5: 1,453,942 km (0.091 R)
• M6: 1,939,387 km (0.062 R)
• M7: 2,671,668 km (0.06 R)
• M8: 2,874,074 km (0.081 R)
• M9: 4,415,082 km (0.094 R)
• M10: 5,032,323 km (0.106 R)
• M11: 7,227,971 km (0.091 R)
• M12: 7,672,576 km (0.069 R)
• M13: 8,030,713 km (0.082 R)
• M14: 9,930,905 km (0.067 R)
• M15: 13,829,874 km (0.063 R)
• M16: 18,098,051 km (0.092 R)
• M17: 19,949,474 km (0.117 R)
• M18: 20,141,259 km (0.113 R)
• M19: 21,019,698 km (0.106 R)
• M20: 22,540,061 km (0.101 R)
• M21: 24,023,772 km (0.079 R)
• M22: 26,600,745 km (0.097 R)
• M23: 35,146,524 km (0.081 R)
• M24: 39,957,292 km (0.102 R)
• M25: 46,186,697 km (0.111 R)
• M26: 46,522,544 km (0.094 R)
• M27: 47,369,119 km (0.11 R)
• M28: 50,324,873 km (0.117 R)
• M29: 50,502,446 km (0.12 R)
• M30: 50,680,467 km (0.056 R)
• M31: 61,737,246 km (0.036 R)
• M32: 62,759,448 km (0.065 R)
• M33: 66,319,130 km (0.086 R)
• M34: 72,471,791 km (0.096 R)
• M35: 76,621,486 km (0.11 R)
• M36: 80,683,517 km (0.065 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: 254 - 18,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit