🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.32 AU - 1.76 AU

Year: 801 Days

Day: 39.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,252,580 km

• M1: 81,082 km (0.092 R)
• M2: 482,004 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.26 AU - 2.28 AU

Year: 1433 Days

Day: 29.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,252,580 km

• M1: 1,021,604 km (0.061 R)

Asteroid Belt

Center: 3.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.6

Radius: 9.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.98 AU - 5.88 AU

Year: 5301 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,252,580 km

• M1: 119,379 km (0.098 R)
• M2: 721,062 km (0.094 R)
• M3: 1,114,953 km (0.081 R)
• M4: 1,762,562 km (0.068 R)
• M5: 2,186,522 km (0.085 R)
• M6: 4,105,115 km (0.093 R)
• M7: 4,433,183 km (0.056 R)
• M8: 6,594,573 km (0.068 R)
• M9: 7,313,391 km (0.105 R)
• M10: 7,903,854 km (0.101 R)
• M11: 8,413,833 km (0.102 R)
• M12: 9,702,768 km (0.11 R)
• M13: 10,118,202 km (0.114 R)
• M14: 10,588,836 km (0.104 R)
• M15: 11,527,862 km (0.082 R)
• M16: 12,041,432 km (0.083 R)
• M17: 15,005,414 km (0.041 R)
• M18: 16,774,110 km (0.05 R)
• M19: 18,613,865 km (0.079 R)
• M20: 20,112,835 km (0.065 R)
• M21: 20,857,384 km (0.102 R)
• M22: 22,981,524 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627

Radius: 10.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.05 AU - 7.11 AU

Year: 6281 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,252,580 km

• M1: 135,536 km (0.115 R)
• M2: 623,374 km (0.111 R)
• M3: 1,460,075 km (0.101 R)
• M4: 1,914,105 km (0.104 R)
• M5: 3,872,042 km (0.116 R)
• M6: 4,385,312 km (0.05 R)
• M7: 4,725,498 km (0.102 R)
• M8: 5,111,610 km (0.074 R)
• M9: 5,669,460 km (0.032 R)
• M10: 6,267,552 km (0.113 R)
• M11: 6,734,747 km (0.086 R)
• M12: 7,552,897 km (0.094 R)
• M13: 8,199,160 km (0.074 R)
• M14: 9,047,978 km (0.118 R)
• M15: 9,558,855 km (0.092 R)
• M16: 10,545,154 km (0.104 R)
• M17: 11,352,982 km (0.104 R)
• M18: 14,942,434 km (0.079 R)
• M19: 16,393,982 km (0.067 R)
• M20: 17,607,969 km (0.114 R)
• M21: 19,018,676 km (0.109 R)
• M22: 19,505,169 km (0.046 R)
• M23: 27,043,555 km (0.092 R)
• M24: 27,570,588 km (0.088 R)
• M25: 30,592,615 km (0.072 R)
• M26: 32,330,793 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 10.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.7 AU - 7.08 AU

Year: 6768 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,252,580 km

• M1: 132,843 km (0.119 R)
• M2: 590,313 km (0.068 R)
• M3: 955,930 km (0.097 R)
• M4: 1,667,418 km (0.045 R)
• M5: 2,058,018 km (0.089 R)
• M6: 2,653,118 km (0.092 R)
• M7: 3,398,116 km (0.093 R)
• M8: 4,868,513 km (0.061 R)
• M9: 7,492,011 km (0.074 R)
• M10: 11,864,757 km (0.082 R)
• M11: 12,603,621 km (0.1 R)
• M12: 13,919,633 km (0.083 R)
• M13: 18,234,634 km (0.077 R)
• M14: 21,224,946 km (0.048 R)
• M15: 21,832,612 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 14.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.76 AU - 7.84 AU

Year: 9127 Days

Day: 5.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,252,580 km

• M1: 260,749 km (0.066 R)
• M2: 5,610,967 km (0.108 R)
• M3: 8,193,475 km (0.077 R)
• M4: 11,050,047 km (0.066 R)
• M5: 11,576,332 km (0.083 R)
• M6: 16,924,157 km (0.096 R)
• M7: 17,743,355 km (0.075 R)
• M8: 22,800,959 km (0.09 R)
• M9: 24,237,847 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 10.6

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.6 AU - 8.46 AU

Year: 9534 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,252,580 km

• M1: 140,772 km (0.065 R)
• M2: 569,818 km (0.114 R)
• M3: 1,340,696 km (0.091 R)
• M4: 1,995,037 km (0.088 R)
• M5: 3,351,291 km (0.118 R)
• M6: 4,306,624 km (0.087 R)
• M7: 5,307,134 km (0.106 R)
• M8: 8,095,040 km (0.117 R)
• M9: 9,850,571 km (0.107 R)
• M10: 10,538,721 km (0.092 R)
• M11: 11,101,508 km (0.079 R)
• M12: 14,345,389 km (0.071 R)
• M13: 14,909,672 km (0.115 R)
• M14: 18,464,566 km (0.088 R)
• M15: 20,753,713 km (0.097 R)
• M16: 29,947,848 km (0.056 R)
• M17: 35,995,192 km (0.091 R)
• M18: 37,743,393 km (0.05 R)
• M19: 38,458,321 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614

Radius: 7.3

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 11.86 AU - 14.06 AU

Year: 19547 Days

Day: 23.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,252,580 km

• M1: 90,956 km (0.1 R)
• M2: 375,341 km (0.087 R)
• M3: 923,767 km (0.109 R)
• M4: 1,204,861 km (0.1 R)
• M5: 1,449,005 km (0.077 R)
• M6: 1,778,868 km (0.12 R)
• M7: 2,803,763 km (0.032 R)
• M8: 3,745,931 km (0.046 R)
• M9: 5,137,340 km (0.052 R)
• M10: 6,449,763 km (0.12 R)
• M11: 8,374,339 km (0.07 R)
• M12: 14,911,317 km (0.1 R)
• M13: 17,623,976 km (0.053 R)
• M14: 19,816,931 km (0.103 R)
• M15: 23,183,481 km (0.078 R)
• M16: 24,630,691 km (0.048 R)
• M17: 25,484,147 km (0.082 R)
• M18: 27,932,914 km (0.094 R)
• M19: 30,049,575 km (0.094 R)
• M20: 40,316,776 km (0.112 R)
• M21: 42,861,436 km (0.025 R)
• M22: 43,167,662 km (0.057 R)
• M23: 43,784,454 km (0.094 R)
• M24: 45,035,691 km (0.068 R)
• M25: 48,599,411 km (0.119 R)
• M26: 49,940,706 km (0.076 R)
• M27: 58,886,808 km (0.059 R)
• M28: 61,570,594 km (0.113 R)
• M29: 64,736,235 km (0.066 R)
• M30: 65,139,550 km (0.086 R)
• M31: 65,747,367 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit