🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 14.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 5.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,587,146 km

• M1: 182,958 km (0.053 R)
• M2: 1,316,611 km (0.102 R)
• M3: 1,802,505 km (0.087 R)
• M4: 2,527,755 km (0.044 R)
• M5: 3,090,393 km (0.097 R)
• M6: 3,664,250 km (0.117 R)
• M7: 4,838,444 km (0.12 R)
• M8: 5,302,197 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 10.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,587,146 km

• M1: 133,142 km (0.039 R)
• M2: 562,189 km (0.099 R)
• M3: 976,276 km (0.043 R)
• M4: 1,831,228 km (0.116 R)
• M5: 2,271,195 km (0.098 R)
• M6: 2,614,672 km (0.086 R)
• M7: 3,021,578 km (0.1 R)
• M8: 3,428,933 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 8.5

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.07 AU - 1.35 AU

Year: 903 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,587,146 km

• M1: 105,766 km (0.117 R)
• M2: 421,417 km (0.043 R)
• M3: 799,301 km (0.094 R)
• M4: 1,093,261 km (0.084 R)
• M5: 1,437,187 km (0.072 R)
• M6: 2,413,163 km (0.072 R)
• M7: 3,396,470 km (0.054 R)
• M8: 4,235,864 km (0.071 R)
• M9: 4,856,246 km (0.11 R)
• M10: 5,302,497 km (0.068 R)
• M11: 6,106,735 km (0.106 R)
• M12: 6,450,511 km (0.113 R)
• M13: 7,223,782 km (0.083 R)
• M14: 8,262,739 km (0.111 R)
• M15: 9,063,537 km (0.06 R)
• M16: 9,426,311 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 14.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.23 AU - 1.27 AU

Year: 948 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,587,146 km

• M1: 177,273 km (0.116 R)
• M2: 723,754 km (0.108 R)
• M3: 1,336,807 km (0.075 R)
• M4: 2,045,751 km (0.115 R)
• M5: 2,650,725 km (0.115 R)
• M6: 3,276,493 km (0.093 R)
• M7: 5,685,916 km (0.093 R)
• M8: 6,334,722 km (0.088 R)
• M9: 7,292,447 km (0.106 R)
• M10: 7,957,709 km (0.045 R)
• M11: 10,050,135 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 9.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.65 AU - 1.77 AU

Year: 1517 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,587,146 km

• M1: 113,246 km (0.115 R)
• M2: 640,428 km (0.047 R)
• M3: 1,203,814 km (0.095 R)
• M4: 1,746,854 km (0.104 R)
• M5: 2,432,910 km (0.107 R)
• M6: 3,102,660 km (0.101 R)
• M7: 3,647,944 km (0.03 R)
• M8: 3,979,752 km (0.067 R)
• M9: 4,643,967 km (0.112 R)
• M10: 5,649,713 km (0.092 R)
• M11: 6,023,409 km (0.116 R)
• M12: 6,488,508 km (0.099 R)
• M13: 7,271,653 km (0.114 R)
• M14: 7,742,438 km (0.076 R)
• M15: 9,119,337 km (0.093 R)
• M16: 9,700,225 km (0.073 R)
• M17: 10,168,915 km (0.096 R)
• M18: 13,468,446 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 8.7

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.35 AU - 2.15 AU

Year: 1570 Days

Day: 6 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,587,146 km

• M1: 108,309 km (0.056 R)
• M2: 425,905 km (0.101 R)
• M3: 953,986 km (0.085 R)
• M4: 1,607,130 km (0.096 R)
• M5: 2,785,961 km (0.039 R)
• M6: 3,072,591 km (0.06 R)
• M7: 3,379,117 km (0.071 R)
• M8: 3,689,083 km (0.072 R)
• M9: 4,036,001 km (0.05 R)
• M10: 4,695,578 km (0.095 R)
• M11: 6,646,035 km (0.083 R)
• M12: 6,952,112 km (0.118 R)
• M13: 7,321,021 km (0.104 R)
• M14: 7,620,067 km (0.046 R)
• M15: 8,656,032 km (0.092 R)
• M16: 11,949,429 km (0.033 R)
• M17: 12,750,376 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 13.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.88 AU - 2.46 AU

Year: 2168 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,587,146 km

• M1: 167,849 km (0.11 R)
• M2: 1,196,035 km (0.104 R)
• M3: 2,347,939 km (0.086 R)
• M4: 2,989,115 km (0.036 R)
• M5: 3,437,759 km (0.032 R)
• M6: 3,931,582 km (0.103 R)
• M7: 4,379,178 km (0.065 R)
• M8: 7,606,603 km (0.112 R)
• M9: 9,420,028 km (0.1 R)
• M10: 9,964,116 km (0.067 R)
• M11: 12,967,443 km (0.049 R)
• M12: 13,440,920 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 12

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.14 AU - 4.72 AU

Year: 6324 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,587,146 km

• M1: 149,299 km (0.104 R)
• M2: 708,346 km (0.099 R)
• M3: 1,254,229 km (0.106 R)
• M4: 2,151,068 km (0.119 R)
• M5: 2,639,804 km (0.087 R)
• M6: 3,703,894 km (0.076 R)
• M7: 4,922,219 km (0.076 R)
• M8: 6,160,590 km (0.039 R)
• M9: 6,731,156 km (0.069 R)
• M10: 8,017,099 km (0.073 R)
• M11: 8,453,476 km (0.099 R)
• M12: 10,221,275 km (0.097 R)
• M13: 15,425,186 km (0.096 R)
• M14: 17,382,375 km (0.091 R)
• M15: 17,779,557 km (0.034 R)
• M16: 21,103,772 km (0.094 R)
• M17: 21,480,309 km (0.117 R)
• M18: 23,349,984 km (0.118 R)
• M19: 24,738,401 km (0.094 R)
• M20: 28,586,657 km (0.108 R)
• M21: 29,047,867 km (0.062 R)
• M22: 31,428,418 km (0.029 R)
• M23: 33,424,353 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 12.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.04 AU - 5.92 AU

Year: 7538 Days

Day: 12.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,587,146 km

• M1: 151,842 km (0.1 R)
• M2: 1,061,397 km (0.099 R)
• M3: 1,791,285 km (0.077 R)
• M4: 3,190,923 km (0.075 R)
• M5: 3,645,999 km (0.107 R)
• M6: 4,046,174 km (0.095 R)
• M7: 7,355,727 km (0.039 R)
• M8: 8,637,931 km (0.06 R)
• M9: 11,342,959 km (0.087 R)
• M10: 17,822,492 km (0.116 R)
• M11: 21,079,537 km (0.113 R)
• M12: 23,405,634 km (0.046 R)
• M13: 24,135,672 km (0.083 R)
• M14: 25,048,518 km (0.116 R)
• M15: 32,793,648 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 15,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit