🌌 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 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 15

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.49 AU - 0.69 AU

Year: 307 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,631,019 km

• M1: 186,997 km (0.079 R)
• M2: 656,585 km (0.096 R)
• M3: 1,193,043 km (0.104 R)
• M4: 1,679,087 km (0.053 R)
• M5: 2,183,082 km (0.112 R)
• M6: 2,789,402 km (0.111 R)
• M7: 3,750,718 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 9.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.5 AU - 0.84 AU

Year: 372 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,631,019 km

• M1: 116,986 km (0.116 R)
• M2: 474,225 km (0.116 R)
• M3: 812,316 km (0.101 R)
• M4: 1,107,024 km (0.12 R)
• M5: 1,642,285 km (0.119 R)
• M6: 1,944,024 km (0.057 R)
• M7: 2,387,432 km (0.105 R)
• M8: 2,727,768 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 13.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.69 AU - 1.15 AU

Year: 599 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,631,019 km

• M1: 171,589 km (0.039 R)
• M2: 1,012,329 km (0.058 R)
• M3: 1,499,419 km (0.115 R)
• M4: 2,738,838 km (0.114 R)
• M5: 3,629,244 km (0.054 R)
• M6: 4,208,487 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 10

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.14 AU - 1.26 AU

Year: 892 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,631,019 km

• M1: 124,615 km (0.099 R)
• M2: 457,171 km (0.034 R)
• M3: 799,301 km (0.097 R)
• M4: 1,184,217 km (0.109 R)
• M5: 1,550,283 km (0.107 R)
• M6: 2,121,298 km (0.091 R)
• M7: 2,898,908 km (0.076 R)
• M8: 3,353,835 km (0.111 R)
• M9: 4,352,999 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 12.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.5 AU - 1.82 AU

Year: 1451 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,631,019 km

• M1: 150,495 km (0.048 R)
• M2: 563,984 km (0.085 R)
• M3: 951,442 km (0.108 R)
• M4: 1,511,686 km (0.11 R)
• M5: 2,014,635 km (0.073 R)
• M6: 2,583,854 km (0.095 R)
• M7: 3,041,923 km (0.075 R)
• M8: 3,853,492 km (0.06 R)
• M9: 4,753,173 km (0.088 R)
• M10: 5,280,356 km (0.057 R)
• M11: 6,473,549 km (0.105 R)
• M12: 7,011,503 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 8.4

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.63 AU - 1.95 AU

Year: 1624 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,631,019 km

• M1: 104,719 km (0.06 R)
• M2: 376,089 km (0.113 R)
• M3: 692,339 km (0.091 R)
• M4: 1,254,827 km (0.059 R)
• M5: 1,844,691 km (0.082 R)
• M6: 2,130,423 km (0.103 R)
• M7: 2,525,960 km (0.061 R)
• M8: 3,584,515 km (0.091 R)
• M9: 4,261,744 km (0.083 R)
• M10: 5,748,747 km (0.089 R)
• M11: 6,518,578 km (0.093 R)
• M12: 7,188,178 km (0.047 R)
• M13: 7,932,128 km (0.053 R)
• M14: 8,917,230 km (0.113 R)
• M15: 10,580,609 km (0.102 R)
• M16: 11,618,818 km (0.034 R)
• M17: 12,005,528 km (0.052 R)
• M18: 14,420,786 km (0.107 R)
• M19: 15,094,575 km (0.087 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.9

Radius: 14.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.17 AU - 3.05 AU

Year: 2860 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,631,019 km

• M1: 185,352 km (0.113 R)
• M2: 823,985 km (0.077 R)
• M3: 1,334,712 km (0.098 R)
• M4: 1,816,118 km (0.096 R)
• M5: 2,514,441 km (0.074 R)
• M6: 3,603,962 km (0.089 R)
• M7: 4,124,712 km (0.103 R)
• M8: 6,076,965 km (0.03 R)
• M9: 7,499,192 km (0.111 R)
• M10: 8,420,266 km (0.068 R)
• M11: 9,168,554 km (0.098 R)
• M12: 10,488,307 km (0.097 R)
• M13: 11,436,308 km (0.095 R)
• M14: 13,732,187 km (0.113 R)
• M15: 15,961,644 km (0.106 R)
• M16: 16,633,189 km (0.12 R)
• M17: 18,033,126 km (0.084 R)
• M18: 19,862,259 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 10.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.77 AU - 2.99 AU

Year: 3315 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,631,019 km

• M1: 130,599 km (0.116 R)
• M2: 604,375 km (0.095 R)
• M3: 1,127,519 km (0.082 R)
• M4: 1,585,737 km (0.096 R)
• M5: 2,056,522 km (0.116 R)
• M6: 2,945,582 km (0.118 R)
• M7: 4,289,569 km (0.059 R)
• M8: 4,618,236 km (0.115 R)
• M9: 5,805,445 km (0.108 R)
• M10: 6,470,407 km (0.077 R)
• M11: 12,133,434 km (0.065 R)
• M12: 13,436,432 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.4

Radius: 3.7

Gravity: 58.61 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.08 AU - 6.22 AU

Year: 10344 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,631,019 km

• M1: 46,076 km (0.118 R)
• M2: 234,569 km (0.075 R)
• M3: 357,240 km (0.116 R)
• M4: 595,848 km (0.115 R)
• M5: 724,652 km (0.086 R)
• M6: 943,065 km (0.076 R)
• M7: 1,108,221 km (0.102 R)
• M8: 1,318,406 km (0.107 R)
• M9: 1,454,091 km (0.116 R)
• M10: 1,884,784 km (0.108 R)
• M11: 2,057,719 km (0.07 R)
• M12: 2,495,442 km (0.104 R)
• M13: 2,790,898 km (0.063 R)
• M14: 2,946,928 km (0.079 R)
• M15: 3,630,890 km (0.093 R)
• M16: 3,954,171 km (0.031 R)
• M17: 4,942,115 km (0.078 R)
• M18: 5,137,789 km (0.061 R)
• M19: 5,685,467 km (0.065 R)
• M20: 6,976,497 km (0.069 R)
• M21: 7,997,353 km (0.106 R)
• M22: 8,131,691 km (0.073 R)
• M23: 12,957,270 km (0.066 R)
• M24: 15,855,878 km (0.042 R)
• M25: 16,068,008 km (0.101 R)
• M26: 18,449,008 km (0.078 R)
• M27: 21,916,986 km (0.082 R)
• M28: 22,180,128 km (0.116 R)
• M29: 23,527,706 km (0.067 R)
• M30: 37,437,914 km (0.099 R)
• M31: 40,648,733 km (0.057 R)
• M32: 41,579,531 km (0.112 R)
• M33: 42,253,021 km (0.104 R)
• M34: 43,345,684 km (0.104 R)
• M35: 47,464,562 km (0.097 R)
• M36: 47,611,018 km (0.059 R)
• M37: 50,910,998 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.6

Radius: 6.7

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.11 AU - 7.77 AU

Year: 12400 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,631,019 km

• M1: 83,476 km (0.096 R)
• M2: 360,232 km (0.066 R)
• M3: 582,385 km (0.069 R)
• M4: 930,798 km (0.061 R)
• M5: 1,818,213 km (0.099 R)
• M6: 2,085,993 km (0.084 R)
• M7: 2,484,222 km (0.111 R)
• M8: 2,931,819 km (0.099 R)
• M9: 4,964,705 km (0.096 R)
• M10: 5,900,290 km (0.099 R)
• M11: 6,210,406 km (0.029 R)
• M12: 6,450,211 km (0.102 R)
• M13: 9,830,824 km (0.051 R)
• M14: 10,047,442 km (0.101 R)
• M15: 10,322,702 km (0.05 R)
• M16: 10,773,590 km (0.093 R)
• M17: 11,003,821 km (0.084 R)
• M18: 12,455,369 km (0.088 R)
• M19: 14,305,147 km (0.094 R)
• M20: 14,794,631 km (0.062 R)
• M21: 18,131,262 km (0.086 R)
• M22: 26,141,181 km (0.074 R)
• M23: 26,453,092 km (0.076 R)
• M24: 27,190,311 km (0.102 R)
• M25: 30,391,406 km (0.078 R)
• M26: 30,851,868 km (0.044 R)
• M27: 36,098,565 km (0.115 R)
• M28: 36,614,827 km (0.117 R)
• M29: 42,194,678 km (0.052 R)
• M30: 46,314,603 km (0.065 R)
• M31: 47,384,976 km (0.046 R)
• M32: 48,159,594 km (0.032 R)
• M33: 53,987,478 km (0.085 R)
• M34: 57,595,330 km (0.113 R)
• M35: 58,123,410 km (0.115 R)
• M36: 58,477,359 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 15,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit