🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 10.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,404,861 km

• M1: 126,859 km (0.046 R)
• M2: 547,229 km (0.061 R)
• M3: 1,120,189 km (0.078 R)
• M4: 1,589,926 km (0.104 R)
• M5: 1,922,931 km (0.07 R)
• M6: 2,241,425 km (0.081 R)
• M7: 2,603,901 km (0.117 R)
• M8: 2,921,946 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 14.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.62 AU - 0.86 AU

Year: 424 Days

Day: 9.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,404,861 km

• M1: 185,352 km (0.091 R)
• M2: 858,841 km (0.1 R)
• M3: 1,485,357 km (0.098 R)
• M4: 2,358,261 km (0.107 R)
• M5: 3,110,140 km (0.065 R)
• M6: 3,881,466 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 13.3

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.92 AU - 1 AU

Year: 627 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,404,861 km

• M1: 166,502 km (0.102 R)
• M2: 707,897 km (0.105 R)
• M3: 1,122,582 km (0.083 R)
• M4: 1,969,755 km (0.06 R)
• M5: 2,546,605 km (0.053 R)
• M6: 3,073,039 km (0.115 R)
• M7: 4,379,328 km (0.076 R)
• M8: 5,053,865 km (0.119 R)
• M9: 6,106,136 km (0.059 R)
• M10: 6,695,103 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.4

Radius: 12.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.04 AU - 3.22 AU

Year: 2844 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,404,861 km

• M1: 160,369 km (0.095 R)
• M2: 711,936 km (0.049 R)
• M3: 1,262,307 km (0.095 R)
• M4: 1,678,189 km (0.063 R)
• M5: 2,457,594 km (0.091 R)
• M6: 3,067,953 km (0.054 R)
• M7: 4,413,885 km (0.102 R)
• M8: 5,144,820 km (0.064 R)
• M9: 6,010,394 km (0.093 R)
• M10: 7,344,208 km (0.059 R)
• M11: 7,963,394 km (0.053 R)
• M12: 11,814,193 km (0.092 R)
• M13: 12,302,181 km (0.118 R)
• M14: 12,896,234 km (0.055 R)
• M15: 14,340,302 km (0.113 R)
• M16: 15,783,024 km (0.093 R)
• M17: 16,539,690 km (0.059 R)
• M18: 17,950,996 km (0.106 R)
• M19: 20,819,236 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 11.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.54 AU - 3.14 AU

Year: 3192 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 124.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,404,861 km

• M1: 144,212 km (0.12 R)
• M2: 824,583 km (0.11 R)
• M3: 1,291,778 km (0.055 R)
• M4: 1,880,296 km (0.096 R)
• M5: 2,869,138 km (0.119 R)
• M6: 3,283,374 km (0.114 R)
• M7: 3,685,044 km (0.093 R)
• M8: 4,448,143 km (0.067 R)
• M9: 6,287,898 km (0.118 R)
• M10: 7,210,767 km (0.116 R)
• M11: 8,191,381 km (0.111 R)
• M12: 9,226,149 km (0.052 R)
• M13: 10,523,462 km (0.097 R)
• M14: 11,215,951 km (0.111 R)
• M15: 11,707,081 km (0.098 R)
• M16: 13,902,878 km (0.111 R)
• M17: 14,781,766 km (0.08 R)
• M18: 15,511,205 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 14.4

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.12 AU - 3.96 AU

Year: 4442 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,404,861 km

• M1: 179,069 km (0.105 R)
• M2: 724,203 km (0.096 R)
• M3: 1,670,410 km (0.099 R)
• M4: 3,050,001 km (0.093 R)
• M5: 3,562,823 km (0.088 R)
• M6: 4,365,415 km (0.063 R)
• M7: 5,535,271 km (0.111 R)
• M8: 7,326,705 km (0.08 R)
• M9: 8,122,566 km (0.03 R)
• M10: 10,819,666 km (0.066 R)
• M11: 13,041,344 km (0.067 R)
• M12: 15,096,370 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.6

Radius: 3.9

Gravity: 65.33 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.77 AU - 7.57 AU

Year: 10220 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,404,861 km

• M1: 48,470 km (0.097 R)
• M2: 175,030 km (0.109 R)
• M3: 402,418 km (0.118 R)
• M4: 543,489 km (0.104 R)
• M5: 790,026 km (0.034 R)
• M6: 960,568 km (0.112 R)
• M7: 1,083,687 km (0.114 R)
• M8: 1,308,383 km (0.103 R)
• M9: 1,735,186 km (0.105 R)
• M10: 1,919,341 km (0.062 R)
• M11: 2,326,845 km (0.068 R)
• M12: 3,066,756 km (0.084 R)
• M13: 4,182,158 km (0.095 R)
• M14: 4,544,933 km (0.061 R)
• M15: 4,670,446 km (0.119 R)
• M16: 5,229,642 km (0.09 R)
• M17: 6,440,787 km (0.051 R)
• M18: 6,760,328 km (0.119 R)
• M19: 7,827,260 km (0.101 R)
• M20: 8,330,357 km (0.119 R)
• M21: 8,518,701 km (0.047 R)
• M22: 13,221,011 km (0.049 R)
• M23: 14,065,790 km (0.1 R)
• M24: 14,467,460 km (0.117 R)
• M25: 14,876,910 km (0.106 R)
• M26: 16,006,224 km (0.083 R)
• M27: 17,191,488 km (0.067 R)
• M28: 18,039,409 km (0.082 R)
• M29: 20,153,975 km (0.118 R)
• M30: 20,408,142 km (0.074 R)
• M31: 23,720,538 km (0.066 R)
• M32: 25,257,656 km (0.105 R)
• M33: 28,849,052 km (0.112 R)
• M34: 35,156,397 km (0.078 R)
• M35: 41,225,433 km (0.064 R)
• M36: 41,909,395 km (0.118 R)
• M37: 47,655,898 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.7

Radius: 4.9

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.73 AU - 7.19 AU

Year: 12245 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,404,861 km

• M1: 80,932 km (0.089 R)
• M2: 267,182 km (0.117 R)
• M3: 424,110 km (0.071 R)
• M4: 872,455 km (0.083 R)
• M5: 1,236,426 km (0.025 R)
• M6: 1,502,711 km (0.073 R)
• M7: 3,649,889 km (0.095 R)
• M8: 3,972,721 km (0.11 R)
• M9: 5,665,720 km (0.1 R)
• M10: 5,915,549 km (0.058 R)
• M11: 7,614,980 km (0.053 R)
• M12: 9,267,887 km (0.112 R)
• M13: 11,766,621 km (0.1 R)
• M14: 14,949,465 km (0.111 R)
• M15: 25,749,384 km (0.11 R)
• M16: 26,632,759 km (0.061 R)
• M17: 29,087,212 km (0.11 R)
• M18: 32,249,112 km (0.102 R)
• M19: 42,549,524 km (0.096 R)
• M20: 43,369,320 km (0.065 R)
• M21: 47,043,145 km (0.042 R)
• M22: 49,855,435 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420

Radius: 4.6

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.22 AU - 8.06 AU

Year: 14082 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,404,861 km

• M1: 57,446 km (0.08 R)
• M2: 565,031 km (0.073 R)
• M3: 818,001 km (0.097 R)
• M4: 1,329,476 km (0.108 R)
• M5: 1,844,093 km (0.069 R)
• M6: 2,795,386 km (0.097 R)
• M7: 4,530,123 km (0.039 R)
• M8: 4,966,799 km (0.082 R)
• M9: 9,274,320 km (0.108 R)
• M10: 13,390,805 km (0.102 R)
• M11: 14,417,794 km (0.059 R)
• M12: 15,565,210 km (0.113 R)
• M13: 16,196,662 km (0.12 R)
• M14: 17,138,680 km (0.108 R)
• M15: 19,451,014 km (0.105 R)
• M16: 21,963,062 km (0.113 R)
• M17: 24,308,308 km (0.083 R)
• M18: 29,382,967 km (0.111 R)
• M19: 29,915,535 km (0.036 R)
• M20: 32,222,633 km (0.09 R)
• M21: 33,361,821 km (0.119 R)
• M22: 34,527,488 km (0.108 R)
• M23: 37,810,263 km (0.046 R)
• M24: 39,462,572 km (0.081 R)
• M25: 44,149,024 km (0.115 R)
• M26: 44,987,969 km (0.088 R)
• M27: 48,302,460 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.5

Radius: 3.7

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.96 AU - 12.1 AU

Year: 21183 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,404,861 km

• M1: 312,510 km (0.103 R)
• M2: 683,064 km (0.102 R)
• M3: 864,077 km (0.105 R)
• M4: 1,245,402 km (0.1 R)
• M5: 1,561,054 km (0.108 R)
• M6: 2,158,847 km (0.097 R)
• M7: 2,368,733 km (0.099 R)
• M8: 2,613,026 km (0.103 R)
• M9: 2,851,485 km (0.105 R)
• M10: 4,151,042 km (0.094 R)
• M11: 5,945,767 km (0.109 R)
• M12: 6,093,570 km (0.097 R)
• M13: 7,450,572 km (0.085 R)
• M14: 11,130,830 km (0.053 R)
• M15: 14,759,476 km (0.102 R)
• M16: 16,582,026 km (0.11 R)
• M17: 17,928,258 km (0.057 R)
• M18: 18,392,759 km (0.072 R)
• M19: 19,184,581 km (0.107 R)
• M20: 24,136,270 km (0.053 R)
• M21: 25,373,893 km (0.109 R)
• M22: 26,354,208 km (0.1 R)
• M23: 28,809,558 km (0.032 R)
• M24: 40,156,108 km (0.072 R)
• M25: 42,707,051 km (0.109 R)
• M26: 44,232,051 km (0.115 R)
• M27: 47,097,299 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit