🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.1

Radius: 9.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.74 AU - 0.82 AU

Year: 476 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,388,043 km

• M1: 121,922 km (0.085 R)
• M2: 547,678 km (0.105 R)
• M3: 869,313 km (0.078 R)
• M4: 1,422,676 km (0.074 R)
• M5: 2,245,015 km (0.057 R)
• M6: 2,739,137 km (0.071 R)
• M7: 3,201,843 km (0.09 R)
• M8: 3,516,896 km (0.036 R)
• M9: 4,173,481 km (0.108 R)

Asteroid Belt

Center: 1.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 10

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.51 AU - 2.43 AU

Year: 1909 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,388,043 km

• M1: 124,316 km (0.038 R)
• M2: 463,305 km (0.06 R)
• M3: 885,919 km (0.071 R)
• M4: 1,251,536 km (0.111 R)
• M5: 1,849,778 km (0.08 R)
• M6: 2,365,591 km (0.034 R)
• M7: 3,368,645 km (0.117 R)
• M8: 3,704,642 km (0.08 R)
• M9: 4,676,429 km (0.086 R)
• M10: 5,421,128 km (0.076 R)
• M11: 5,834,766 km (0.051 R)
• M12: 6,190,958 km (0.102 R)
• M13: 7,377,269 km (0.086 R)
• M14: 9,345,678 km (0.093 R)
• M15: 10,414,256 km (0.058 R)
• M16: 10,825,800 km (0.108 R)
• M17: 13,483,406 km (0.115 R)
• M18: 14,566,045 km (0.112 R)
• M19: 16,497,803 km (0.045 R)
• M20: 17,212,581 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.82 AU - 2.92 AU

Year: 3356 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,388,043 km

• M1: 171,589 km (0.025 R)
• M2: 764,146 km (0.076 R)
• M3: 1,286,392 km (0.111 R)
• M4: 1,812,528 km (0.037 R)
• M5: 2,401,644 km (0.075 R)
• M6: 2,945,133 km (0.085 R)
• M7: 3,397,517 km (0.108 R)
• M8: 4,506,486 km (0.115 R)
• M9: 5,294,269 km (0.065 R)
• M10: 5,819,656 km (0.088 R)
• M11: 6,592,479 km (0.076 R)
• M12: 7,088,246 km (0.078 R)
• M13: 7,638,617 km (0.091 R)
• M14: 8,186,295 km (0.073 R)
• M15: 9,023,594 km (0.09 R)
• M16: 10,793,935 km (0.053 R)
• M17: 11,328,748 km (0.072 R)
• M18: 12,286,922 km (0.089 R)
• M19: 13,126,016 km (0.09 R)
• M20: 15,295,933 km (0.094 R)
• M21: 16,020,586 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.9

Radius: 8.1

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.9 AU - 3.14 AU

Year: 3623 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,388,043 km

• M1: 100,829 km (0.117 R)
• M2: 364,570 km (0.026 R)
• M3: 638,933 km (0.055 R)
• M4: 897,587 km (0.107 R)
• M5: 1,325,587 km (0.049 R)
• M6: 1,910,365 km (0.059 R)
• M7: 2,434,855 km (0.104 R)
• M8: 2,998,091 km (0.059 R)
• M9: 4,762,448 km (0.12 R)
• M10: 5,669,909 km (0.098 R)
• M11: 6,034,778 km (0.079 R)
• M12: 6,326,045 km (0.084 R)
• M13: 7,322,068 km (0.119 R)
• M14: 7,857,628 km (0.111 R)
• M15: 8,783,190 km (0.052 R)
• M16: 9,119,935 km (0.106 R)
• M17: 11,194,109 km (0.113 R)
• M18: 12,882,770 km (0.113 R)
• M19: 13,220,413 km (0.076 R)
• M20: 14,115,756 km (0.109 R)
• M21: 16,305,270 km (0.076 R)
• M22: 16,929,093 km (0.083 R)
• M23: 19,648,334 km (0.118 R)
• M24: 20,031,604 km (0.058 R)
• M25: 20,485,035 km (0.08 R)
• M26: 21,078,041 km (0.062 R)
• M27: 21,479,711 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 10.2

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.22 AU - 3.44 AU

Year: 4194 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,388,043 km

• M1: 127,607 km (0.109 R)
• M2: 689,646 km (0.092 R)
• M3: 2,040,665 km (0.048 R)
• M4: 2,358,111 km (0.073 R)
• M5: 3,191,970 km (0.09 R)
• M6: 3,559,382 km (0.107 R)
• M7: 4,047,071 km (0.037 R)
• M8: 4,380,076 km (0.066 R)
• M9: 7,568,455 km (0.068 R)
• M10: 8,491,474 km (0.117 R)
• M11: 9,160,925 km (0.06 R)
• M12: 9,529,235 km (0.073 R)
• M13: 11,759,589 km (0.105 R)
• M14: 13,566,881 km (0.094 R)
• M15: 16,018,491 km (0.103 R)
• M16: 17,163,214 km (0.111 R)
• M17: 17,535,862 km (0.116 R)
• M18: 19,346,595 km (0.103 R)
• M19: 21,853,556 km (0.088 R)
• M20: 23,034,332 km (0.064 R)
• M21: 27,250,000 km (0.107 R)
• M22: 29,053,851 km (0.099 R)
• M23: 29,850,759 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 10.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.24 AU - 5.08 AU

Year: 6944 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,388,043 km

• M1: 126,859 km (0.119 R)
• M2: 551,119 km (0.085 R)
• M3: 984,055 km (0.062 R)
• M4: 1,317,508 km (0.106 R)
• M5: 1,843,495 km (0.049 R)
• M6: 3,181,049 km (0.098 R)
• M7: 3,667,841 km (0.057 R)
• M8: 4,297,947 km (0.04 R)
• M9: 4,740,158 km (0.12 R)
• M10: 6,190,659 km (0.082 R)
• M11: 7,252,804 km (0.083 R)
• M12: 8,813,858 km (0.088 R)
• M13: 9,776,670 km (0.087 R)
• M14: 11,122,452 km (0.118 R)
• M15: 12,985,993 km (0.098 R)
• M16: 13,650,955 km (0.069 R)
• M17: 16,245,880 km (0.115 R)
• M18: 20,014,998 km (0.105 R)
• M19: 21,815,708 km (0.113 R)
• M20: 24,177,110 km (0.117 R)
• M21: 25,340,683 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 11.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.18 AU - 5.92 AU

Year: 7833 Days

Day: 11.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,388,043 km

• M1: 141,071 km (0.092 R)
• M2: 517,160 km (0.079 R)
• M3: 878,140 km (0.067 R)
• M4: 1,559,707 km (0.092 R)
• M5: 1,960,630 km (0.046 R)
• M6: 2,447,421 km (0.106 R)
• M7: 3,277,241 km (0.054 R)
• M8: 3,757,899 km (0.083 R)
• M9: 4,185,898 km (0.117 R)
• M10: 4,999,710 km (0.068 R)
• M11: 6,332,179 km (0.078 R)
• M12: 8,674,433 km (0.07 R)
• M13: 9,340,143 km (0.09 R)
• M14: 9,905,922 km (0.104 R)
• M15: 10,448,214 km (0.088 R)
• M16: 12,660,767 km (0.058 R)
• M17: 13,572,716 km (0.116 R)
• M18: 14,642,939 km (0.093 R)
• M19: 15,587,201 km (0.117 R)
• M20: 16,634,386 km (0.089 R)
• M21: 18,191,999 km (0.071 R)
• M22: 18,663,980 km (0.1 R)
• M23: 21,148,053 km (0.088 R)
• M24: 22,430,854 km (0.119 R)
• M25: 24,573,694 km (0.115 R)
• M26: 25,652,744 km (0.102 R)
• M27: 29,171,136 km (0.051 R)
• M28: 31,045,448 km (0.1 R)
• M29: 31,720,134 km (0.099 R)
• M30: 33,701,558 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.3

Radius: 6.8

Gravity: 17.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.82 AU - 6.16 AU

Year: 10119 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,388,043 km

• M1: 84,672 km (0.116 R)
• M2: 447,746 km (0.104 R)
• M3: 1,003,652 km (0.03 R)
• M4: 1,851,124 km (0.078 R)
• M5: 3,081,567 km (0.111 R)
• M6: 3,318,081 km (0.099 R)
• M7: 3,566,712 km (0.071 R)
• M8: 3,881,466 km (0.08 R)
• M9: 4,566,774 km (0.101 R)
• M10: 5,330,023 km (0.093 R)
• M11: 5,672,003 km (0.073 R)
• M12: 6,101,648 km (0.083 R)
• M13: 7,395,371 km (0.077 R)
• M14: 8,399,023 km (0.096 R)
• M15: 10,096,061 km (0.102 R)
• M16: 10,566,846 km (0.04 R)
• M17: 10,888,780 km (0.11 R)
• M18: 11,836,632 km (0.067 R)
• M19: 13,516,018 km (0.112 R)
• M20: 14,675,850 km (0.119 R)
• M21: 15,485,175 km (0.092 R)
• M22: 15,900,758 km (0.112 R)
• M23: 16,681,958 km (0.108 R)
• M24: 23,876,568 km (0.086 R)
• M25: 27,034,280 km (0.067 R)
• M26: 29,287,523 km (0.085 R)
• M27: 30,244,351 km (0.116 R)
• M28: 30,459,772 km (0.098 R)
• M29: 43,951,406 km (0.119 R)
• M30: 48,662,991 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.8

Radius: 6.9

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.9 AU - 6.96 AU

Year: 12592 Days

Day: 22.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,388,043 km

• M1: 86,318 km (0.115 R)
• M2: 311,463 km (0.117 R)
• M3: 538,403 km (0.097 R)
• M4: 932,743 km (0.088 R)
• M5: 1,597,855 km (0.069 R)
• M6: 2,014,186 km (0.06 R)
• M7: 3,259,738 km (0.118 R)
• M8: 4,283,137 km (0.089 R)
• M9: 5,052,219 km (0.057 R)
• M10: 5,363,233 km (0.107 R)
• M11: 7,029,305 km (0.088 R)
• M12: 10,160,987 km (0.094 R)
• M13: 10,997,089 km (0.117 R)
• M14: 11,344,007 km (0.1 R)
• M15: 14,525,654 km (0.087 R)
• M16: 15,297,878 km (0.118 R)
• M17: 15,585,256 km (0.082 R)
• M18: 22,487,851 km (0.052 R)
• M19: 24,290,655 km (0.108 R)
• M20: 27,540,968 km (0.111 R)
• M21: 29,380,274 km (0.096 R)
• M22: 31,415,553 km (0.115 R)
• M23: 32,349,492 km (0.076 R)
• M24: 35,137,847 km (0.041 R)
• M25: 37,169,237 km (0.098 R)
• M26: 38,876,597 km (0.034 R)
• M27: 52,968,268 km (0.076 R)
• M28: 55,464,907 km (0.12 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 12,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit