🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 25.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,880,785 km

• M1: 39,195 km (0.044 R)
• M2: 438,322 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.6

Radius: 12.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 452 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,880,785 km

• M1: 151,692 km (0.104 R)
• M2: 601,084 km (0.059 R)
• M3: 983,905 km (0.085 R)
• M4: 1,483,263 km (0.087 R)
• M5: 1,894,507 km (0.037 R)
• M6: 2,363,497 km (0.092 R)
• M7: 3,304,019 km (0.055 R)
• M8: 3,773,606 km (0.079 R)
• M9: 4,539,248 km (0.114 R)
• M10: 5,440,127 km (0.098 R)
• M11: 6,418,048 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 14.7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.82 AU - 1.3 AU

Year: 716 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,880,785 km

• M1: 185,801 km (0.101 R)
• M2: 659,128 km (0.032 R)
• M3: 1,565,542 km (0.038 R)
• M4: 2,038,570 km (0.039 R)
• M5: 2,588,342 km (0.058 R)
• M6: 3,237,298 km (0.111 R)
• M7: 3,830,603 km (0.107 R)
• M8: 4,881,079 km (0.116 R)
• M9: 5,423,372 km (0.054 R)
• M10: 6,005,756 km (0.111 R)
• M11: 6,767,658 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 9.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.55 AU - 1.85 AU

Year: 1454 Days

Day: 7.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,880,785 km

• M1: 123,119 km (0.057 R)
• M2: 574,456 km (0.076 R)
• M3: 910,153 km (0.112 R)
• M4: 1,284,447 km (0.108 R)
• M5: 1,636,750 km (0.041 R)
• M6: 2,076,119 km (0.068 R)
• M7: 2,946,180 km (0.071 R)
• M8: 4,060,236 km (0.09 R)
• M9: 4,634,991 km (0.093 R)
• M10: 5,116,696 km (0.118 R)
• M11: 6,016,527 km (0.101 R)
• M12: 7,465,383 km (0.12 R)
• M13: 8,474,121 km (0.106 R)
• M14: 9,413,596 km (0.049 R)
• M15: 9,957,384 km (0.109 R)
• M16: 10,589,884 km (0.07 R)
• M17: 11,037,929 km (0.106 R)
• M18: 11,570,498 km (0.068 R)
• M19: 12,232,169 km (0.04 R)
• M20: 13,271,874 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 12.9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.12 AU - 2.22 AU

Year: 2097 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,880,785 km

• M1: 160,369 km (0.081 R)
• M2: 620,083 km (0.113 R)
• M3: 1,084,435 km (0.106 R)
• M4: 1,556,865 km (0.062 R)
• M5: 2,337,317 km (0.089 R)
• M6: 2,810,495 km (0.085 R)
• M7: 4,313,505 km (0.053 R)
• M8: 4,895,740 km (0.073 R)
• M9: 5,408,412 km (0.112 R)
• M10: 6,542,364 km (0.11 R)
• M11: 6,963,332 km (0.11 R)
• M12: 8,631,498 km (0.116 R)
• M13: 9,594,908 km (0.073 R)
• M14: 11,532,051 km (0.099 R)
• M15: 12,358,878 km (0.116 R)
• M16: 13,992,038 km (0.097 R)
• M17: 15,814,888 km (0.053 R)
• M18: 17,308,922 km (0.071 R)
• M19: 17,953,988 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.6

Radius: 8.7

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.98 AU - 2.68 AU

Year: 2333 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,880,785 km

• M1: 108,309 km (0.1 R)
• M2: 380,876 km (0.082 R)
• M3: 739,013 km (0.1 R)
• M4: 1,216,829 km (0.063 R)
• M5: 1,531,882 km (0.051 R)
• M6: 2,083,150 km (0.053 R)
• M7: 3,143,350 km (0.071 R)
• M8: 3,560,729 km (0.103 R)
• M9: 3,936,369 km (0.066 R)
• M10: 4,464,150 km (0.078 R)
• M11: 5,084,532 km (0.1 R)
• M12: 7,322,517 km (0.084 R)
• M13: 11,537,437 km (0.067 R)
• M14: 13,094,002 km (0.071 R)
• M15: 15,659,456 km (0.102 R)
• M16: 17,402,870 km (0.086 R)
• M17: 17,777,313 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 14

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.4 AU - 2.86 AU

Year: 2798 Days

Day: 10 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,880,785 km

• M1: 174,132 km (0.052 R)
• M2: 758,611 km (0.103 R)
• M3: 1,358,648 km (0.102 R)
• M4: 1,843,794 km (0.081 R)
• M5: 2,589,539 km (0.101 R)
• M6: 3,116,722 km (0.085 R)
• M7: 4,070,408 km (0.115 R)
• M8: 4,526,981 km (0.119 R)
• M9: 5,254,476 km (0.052 R)
• M10: 6,180,337 km (0.06 R)
• M11: 7,543,473 km (0.095 R)
• M12: 8,236,560 km (0.101 R)
• M13: 9,323,388 km (0.113 R)
• M14: 10,294,428 km (0.114 R)
• M15: 11,743,433 km (0.101 R)
• M16: 12,635,934 km (0.055 R)
• M17: 13,119,284 km (0.089 R)
• M18: 13,910,059 km (0.112 R)
• M19: 14,600,303 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 13.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.12 AU - 4.66 AU

Year: 5033 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,880,785 km

• M1: 172,935 km (0.08 R)
• M2: 706,252 km (0.11 R)
• M3: 1,317,808 km (0.116 R)
• M4: 1,874,611 km (0.114 R)
• M5: 2,507,111 km (0.034 R)
• M6: 3,036,089 km (0.118 R)
• M7: 4,416,428 km (0.042 R)
• M8: 5,519,563 km (0.061 R)
• M9: 6,091,924 km (0.083 R)
• M10: 6,799,074 km (0.032 R)
• M11: 7,255,946 km (0.055 R)
• M12: 8,195,271 km (0.102 R)
• M13: 8,865,619 km (0.119 R)
• M14: 10,443,727 km (0.058 R)
• M15: 11,232,407 km (0.119 R)
• M16: 15,898,364 km (0.051 R)
• M17: 17,663,769 km (0.09 R)
• M18: 18,974,994 km (0.034 R)
• M19: 20,417,417 km (0.118 R)
• M20: 21,096,741 km (0.099 R)
• M21: 22,572,374 km (0.086 R)
• M22: 25,183,156 km (0.092 R)
• M23: 25,885,668 km (0.058 R)
• M24: 26,923,727 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 12.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.52 AU - 6.22 AU

Year: 8163 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,880,785 km

• M1: 151,692 km (0.101 R)
• M2: 537,804 km (0.115 R)
• M3: 1,168,509 km (0.096 R)
• M4: 1,662,332 km (0.1 R)
• M5: 3,403,651 km (0.071 R)
• M6: 4,282,239 km (0.117 R)
• M7: 5,391,358 km (0.109 R)
• M8: 5,861,245 km (0.046 R)
• M9: 7,544,669 km (0.067 R)
• M10: 8,753,570 km (0.072 R)
• M11: 10,486,063 km (0.091 R)
• M12: 11,127,090 km (0.087 R)
• M13: 13,793,073 km (0.048 R)
• M14: 14,174,548 km (0.084 R)
• M15: 14,901,593 km (0.094 R)
• M16: 15,361,308 km (0.027 R)
• M17: 15,771,356 km (0.097 R)
• M18: 17,045,331 km (0.111 R)
• M19: 18,982,923 km (0.095 R)
• M20: 20,004,826 km (0.118 R)
• M21: 20,777,349 km (0.115 R)
• M22: 21,862,682 km (0.119 R)
• M23: 25,754,321 km (0.057 R)
• M24: 26,584,589 km (0.098 R)
• M25: 28,915,623 km (0.095 R)
• M26: 29,994,223 km (0.109 R)
• M27: 30,543,397 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 6.9

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.87 AU - 9.57 AU

Year: 14071 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,880,785 km

• M1: 86,168 km (0.058 R)
• M2: 395,387 km (0.113 R)
• M3: 803,939 km (0.101 R)
• M4: 1,441,076 km (0.093 R)
• M5: 1,749,248 km (0.053 R)
• M6: 2,234,693 km (0.07 R)
• M7: 2,498,733 km (0.118 R)
• M8: 4,028,671 km (0.109 R)
• M9: 5,144,671 km (0.101 R)
• M10: 7,470,918 km (0.084 R)
• M11: 8,017,698 km (0.095 R)
• M12: 8,253,315 km (0.073 R)
• M13: 13,591,565 km (0.103 R)
• M14: 16,431,381 km (0.106 R)
• M15: 23,828,398 km (0.05 R)
• M16: 24,120,263 km (0.104 R)
• M17: 24,611,991 km (0.079 R)
• M18: 25,615,793 km (0.083 R)
• M19: 26,855,810 km (0.091 R)
• M20: 27,597,516 km (0.084 R)
• M21: 37,854,096 km (0.104 R)
• M22: 40,973,510 km (0.037 R)
• M23: 42,381,675 km (0.08 R)
• M24: 43,097,651 km (0.052 R)
• M25: 44,553,986 km (0.037 R)
• M26: 48,805,557 km (0.047 R)
• M27: 49,276,491 km (0.102 R)
• M28: 50,868,362 km (0.089 R)
• M29: 55,337,000 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 17,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit