🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.48 AU - 0.66 AU

Year: 278 Days

Day: 35.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,117,490 km

• M1: 422,614 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 10.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.64 AU - 0.96 AU

Year: 462 Days

Day: 13.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,117,490 km

• M1: 126,859 km (0.08 R)
• M2: 528,230 km (0.083 R)
• M3: 1,044,492 km (0.072 R)
• M4: 1,430,754 km (0.116 R)
• M5: 2,192,656 km (0.107 R)
• M6: 2,652,969 km (0.107 R)
• M7: 3,308,955 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.3 AU - 1.74 AU

Year: 1210 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,117,490 km

• M1: 174,132 km (0.093 R)
• M2: 628,161 km (0.114 R)
• M3: 1,081,593 km (0.11 R)
• M4: 1,720,226 km (0.069 R)
• M5: 2,519,527 km (0.097 R)
• M6: 3,130,335 km (0.111 R)
• M7: 3,586,310 km (0.119 R)
• M8: 4,189,040 km (0.086 R)
• M9: 4,993,577 km (0.119 R)
• M10: 5,495,179 km (0.113 R)
• M11: 5,986,458 km (0.112 R)
• M12: 6,624,194 km (0.1 R)
• M13: 7,156,613 km (0.084 R)
• M14: 7,849,251 km (0.093 R)
• M15: 9,044,538 km (0.07 R)
• M16: 9,579,500 km (0.088 R)
• M17: 10,293,979 km (0.082 R)
• M18: 10,943,982 km (0.034 R)
• M19: 11,552,097 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.18 AU - 2.22 AU

Year: 2107 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,117,490 km

• M1: 115,340 km (0.049 R)
• M2: 589,715 km (0.103 R)
• M3: 904,319 km (0.107 R)
• M4: 1,746,555 km (0.081 R)
• M5: 2,178,444 km (0.108 R)
• M6: 3,089,196 km (0.025 R)
• M7: 5,395,696 km (0.051 R)
• M8: 7,247,718 km (0.041 R)
• M9: 8,662,614 km (0.101 R)
• M10: 9,277,312 km (0.078 R)
• M11: 9,595,357 km (0.03 R)
• M12: 10,067,638 km (0.097 R)
• M13: 12,281,387 km (0.04 R)
• M14: 14,897,255 km (0.053 R)
• M15: 15,679,502 km (0.093 R)
• M16: 16,131,438 km (0.085 R)
• M17: 17,863,332 km (0.114 R)
• M18: 18,190,951 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 11.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.54 AU - 4.14 AU

Year: 3941 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,117,490 km

• M1: 141,071 km (0.068 R)
• M2: 1,387,969 km (0.115 R)
• M3: 2,983,879 km (0.096 R)
• M4: 4,442,608 km (0.107 R)
• M5: 5,082,139 km (0.112 R)
• M6: 10,614,418 km (0.027 R)
• M7: 12,378,177 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.6

Radius: 12.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.42 AU - 4.5 AU

Year: 6082 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,117,490 km

• M1: 341,233 km (0.07 R)
• M2: 778,059 km (0.068 R)
• M3: 1,231,789 km (0.113 R)
• M4: 1,633,010 km (0.078 R)
• M5: 2,171,563 km (0.118 R)
• M6: 2,582,957 km (0.116 R)
• M7: 3,321,222 km (0.1 R)
• M8: 4,592,505 km (0.115 R)
• M9: 5,071,966 km (0.091 R)
• M10: 6,232,546 km (0.108 R)
• M11: 6,821,962 km (0.073 R)
• M12: 7,717,455 km (0.09 R)
• M13: 8,153,234 km (0.044 R)
• M14: 9,118,140 km (0.09 R)
• M15: 9,833,218 km (0.049 R)
• M16: 10,730,655 km (0.118 R)
• M17: 13,018,306 km (0.109 R)
• M18: 19,178,297 km (0.062 R)
• M19: 22,764,158 km (0.051 R)
• M20: 25,796,657 km (0.083 R)
• M21: 27,045,500 km (0.072 R)
• M22: 27,869,335 km (0.087 R)
• M23: 28,804,322 km (0.11 R)
• M24: 31,533,735 km (0.103 R)
• M25: 32,961,048 km (0.094 R)
• M26: 36,940,501 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47

Radius: 12.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.86 AU - 5.48 AU

Year: 7590 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,117,490 km

• M1: 153,039 km (0.108 R)
• M2: 625,618 km (0.114 R)
• M3: 1,149,809 km (0.047 R)
• M4: 2,349,435 km (0.1 R)
• M5: 2,963,235 km (0.09 R)
• M6: 3,897,174 km (0.043 R)
• M7: 4,513,517 km (0.09 R)
• M8: 5,796,768 km (0.109 R)
• M9: 9,705,910 km (0.103 R)
• M10: 11,594,433 km (0.091 R)
• M11: 12,422,607 km (0.092 R)
• M12: 13,416,984 km (0.059 R)
• M13: 14,733,745 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 8.1

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.34 AU - 6.9 AU

Year: 8602 Days

Day: 7.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,117,490 km

• M1: 109,356 km (0.106 R)
• M2: 423,512 km (0.1 R)
• M3: 1,106,875 km (0.102 R)
• M4: 1,389,615 km (0.065 R)
• M5: 1,874,013 km (0.117 R)
• M6: 2,849,091 km (0.054 R)
• M7: 3,657,369 km (0.105 R)
• M8: 4,047,370 km (0.118 R)
• M9: 4,551,814 km (0.094 R)
• M10: 4,941,816 km (0.045 R)
• M11: 5,452,094 km (0.108 R)
• M12: 6,103,144 km (0.076 R)
• M13: 6,503,169 km (0.094 R)
• M14: 7,559,629 km (0.12 R)
• M15: 8,021,288 km (0.076 R)
• M16: 8,635,836 km (0.098 R)
• M17: 8,908,703 km (0.084 R)
• M18: 11,796,390 km (0.115 R)
• M19: 12,076,139 km (0.119 R)
• M20: 13,001,401 km (0.089 R)
• M21: 15,453,759 km (0.117 R)
• M22: 16,335,339 km (0.119 R)
• M23: 16,964,997 km (0.027 R)
• M24: 17,393,744 km (0.076 R)
• M25: 18,572,426 km (0.095 R)
• M26: 19,181,439 km (0.077 R)
• M27: 22,770,741 km (0.074 R)
• M28: 26,116,497 km (0.026 R)
• M29: 26,496,775 km (0.089 R)
• M30: 31,139,096 km (0.052 R)
• M31: 34,215,127 km (0.082 R)
• M32: 36,414,067 km (0.062 R)
• M33: 36,888,741 km (0.084 R)
• M34: 37,247,476 km (0.114 R)
• M35: 40,201,436 km (0.107 R)
• M36: 43,308,135 km (0.092 R)
• M37: 43,707,411 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.7

Radius: 3.5

Gravity: 67.89 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.89 AU - 7.53 AU

Year: 9992 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,117,490 km

• M1: 43,533 km (0.105 R)
• M2: 215,870 km (0.075 R)
• M3: 749,485 km (0.049 R)
• M4: 920,476 km (0.119 R)
• M5: 1,082,490 km (0.067 R)
• M6: 1,478,177 km (0.044 R)
• M7: 1,929,214 km (0.105 R)
• M8: 2,050,538 km (0.08 R)
• M9: 2,445,925 km (0.089 R)
• M10: 2,567,698 km (0.11 R)
• M11: 4,393,390 km (0.081 R)
• M12: 4,981,609 km (0.113 R)
• M13: 5,211,092 km (0.052 R)
• M14: 5,413,199 km (0.097 R)
• M15: 6,581,110 km (0.06 R)
• M16: 12,751,423 km (0.072 R)
• M17: 14,459,233 km (0.088 R)
• M18: 17,936,934 km (0.094 R)
• M19: 18,630,919 km (0.098 R)
• M20: 20,402,606 km (0.088 R)
• M21: 20,736,359 km (0.117 R)
• M22: 21,414,786 km (0.086 R)
• M23: 22,195,387 km (0.077 R)
• M24: 22,994,988 km (0.062 R)
• M25: 28,302,272 km (0.095 R)
• M26: 28,509,315 km (0.119 R)
• M27: 29,031,262 km (0.049 R)
• M28: 33,669,993 km (0.097 R)
• M29: 34,961,770 km (0.06 R)
• M30: 37,022,331 km (0.062 R)
• M31: 39,548,591 km (0.059 R)
• M32: 41,918,221 km (0.105 R)
• M33: 47,373,607 km (0.101 R)
• M34: 49,892,835 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.7

Radius: 3.4

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.46 AU - 9.1 AU

Year: 16798 Days

Day: 18.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,117,490 km

• M1: 45,179 km (0.109 R)
• M2: 153,039 km (0.111 R)
• M3: 269,276 km (0.038 R)
• M4: 748,139 km (0.082 R)
• M5: 890,107 km (0.075 R)
• M6: 1,159,383 km (0.118 R)
• M7: 1,440,627 km (0.119 R)
• M8: 1,618,649 km (0.105 R)
• M9: 3,491,016 km (0.117 R)
• M10: 4,046,473 km (0.107 R)
• M11: 4,429,443 km (0.082 R)
• M12: 6,418,945 km (0.068 R)
• M13: 6,564,654 km (0.108 R)
• M14: 7,015,243 km (0.112 R)
• M15: 7,811,402 km (0.079 R)
• M16: 8,979,313 km (0.1 R)
• M17: 9,439,925 km (0.097 R)
• M18: 9,867,775 km (0.084 R)
• M19: 10,061,953 km (0.118 R)
• M20: 11,123,798 km (0.034 R)
• M21: 14,192,948 km (0.075 R)
• M22: 17,426,656 km (0.114 R)
• M23: 17,568,176 km (0.113 R)
• M24: 23,532,792 km (0.036 R)
• M25: 23,705,727 km (0.113 R)
• M26: 29,296,798 km (0.112 R)
• M27: 29,698,020 km (0.115 R)
• M28: 33,803,733 km (0.068 R)
• M29: 35,026,546 km (0.075 R)
• M30: 37,207,683 km (0.066 R)
• M31: 37,914,832 km (0.092 R)
• M32: 38,510,830 km (0.112 R)
• M33: 40,089,985 km (0.093 R)
• M34: 41,711,626 km (0.078 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: 437 - 13,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit