🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.52 AU - 0.76 AU

Year: 326 Days

Day: 34.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,070,181 km

• M1: 52,958 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 12.2

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.75 AU - 0.93 AU

Year: 489 Days

Day: 10.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,070,181 km

• M1: 151,842 km (0.109 R)
• M2: 549,922 km (0.061 R)
• M3: 1,174,642 km (0.117 R)
• M4: 1,958,835 km (0.099 R)
• M5: 2,563,060 km (0.117 R)
• M6: 3,066,756 km (0.112 R)
• M7: 3,636,126 km (0.097 R)
• M8: 4,246,485 km (0.045 R)
• M9: 4,861,332 km (0.067 R)
• M10: 5,796,319 km (0.077 R)
• M11: 6,344,446 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10.9

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.78 AU - 1.1 AU

Year: 579 Days

Day: 9.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,070,181 km

• M1: 135,536 km (0.052 R)
• M2: 514,018 km (0.061 R)
• M3: 883,076 km (0.112 R)
• M4: 1,308,533 km (0.113 R)
• M5: 1,730,249 km (0.048 R)
• M6: 2,119,353 km (0.118 R)
• M7: 2,535,385 km (0.08 R)
• M8: 3,225,031 km (0.107 R)
• M9: 3,905,851 km (0.09 R)
• M10: 4,520,698 km (0.093 R)
• M11: 4,876,442 km (0.094 R)
• M12: 5,233,532 km (0.071 R)
• M13: 5,718,528 km (0.112 R)
• M14: 7,355,727 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.2

Radius: 11.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1 AU - 1.26 AU

Year: 764 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,070,181 km

• M1: 138,079 km (0.104 R)
• M2: 550,071 km (0.079 R)
• M3: 993,479 km (0.111 R)
• M4: 1,752,389 km (0.117 R)
• M5: 2,290,942 km (0.097 R)
• M6: 2,888,585 km (0.114 R)
• M7: 3,475,159 km (0.052 R)
• M8: 4,887,362 km (0.118 R)
• M9: 5,980,923 km (0.118 R)
• M10: 6,414,906 km (0.117 R)
• M11: 8,164,005 km (0.088 R)
• M12: 8,543,834 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439

Radius: 8.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.02 AU - 1.32 AU

Year: 805 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,070,181 km

• M1: 111,002 km (0.095 R)
• M2: 504,594 km (0.106 R)
• M3: 873,951 km (0.081 R)
• M4: 1,202,916 km (0.119 R)
• M5: 1,516,623 km (0.073 R)
• M6: 2,063,703 km (0.104 R)
• M7: 2,529,550 km (0.07 R)
• M8: 2,897,412 km (0.04 R)
• M9: 3,212,016 km (0.04 R)
• M10: 3,496,252 km (0.111 R)
• M11: 4,041,536 km (0.073 R)
• M12: 4,342,677 km (0.057 R)
• M13: 4,939,572 km (0.11 R)
• M14: 5,553,372 km (0.1 R)
• M15: 5,831,624 km (0.045 R)
• M16: 6,578,716 km (0.111 R)
• M17: 7,454,761 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 14.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.71 AU - 2.07 AU

Year: 1652 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,070,181 km

• M1: 183,108 km (0.101 R)
• M2: 693,237 km (0.067 R)
• M3: 1,421,180 km (0.106 R)
• M4: 2,527,905 km (0.071 R)
• M5: 3,237,448 km (0.108 R)
• M6: 3,770,465 km (0.055 R)
• M7: 4,479,858 km (0.094 R)
• M8: 6,241,672 km (0.081 R)
• M9: 6,727,267 km (0.101 R)
• M10: 7,321,021 km (0.05 R)
• M11: 7,803,623 km (0.059 R)
• M12: 9,513,377 km (0.105 R)
• M13: 11,236,894 km (0.063 R)
• M14: 15,295,185 km (0.108 R)
• M15: 15,757,742 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 14.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.99 AU - 2.83 AU

Year: 2379 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,070,181 km

• M1: 184,005 km (0.108 R)
• M2: 815,608 km (0.109 R)
• M3: 1,311,076 km (0.038 R)
• M4: 1,837,361 km (0.104 R)
• M5: 2,754,845 km (0.112 R)
• M6: 3,366,102 km (0.072 R)
• M7: 5,696,089 km (0.026 R)
• M8: 7,132,826 km (0.081 R)
• M9: 7,922,404 km (0.095 R)
• M10: 8,619,381 km (0.067 R)
• M11: 9,839,052 km (0.101 R)
• M12: 10,748,906 km (0.119 R)
• M13: 11,861,914 km (0.091 R)
• M14: 12,351,099 km (0.063 R)
• M15: 13,941,325 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 13.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.98 AU - 3.04 AU

Year: 3320 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,070,181 km

• M1: 170,542 km (0.113 R)
• M2: 664,215 km (0.09 R)
• M3: 1,311,973 km (0.09 R)
• M4: 1,776,176 km (0.076 R)
• M5: 2,381,449 km (0.103 R)
• M6: 3,518,392 km (0.108 R)
• M7: 4,055,897 km (0.082 R)
• M8: 4,841,585 km (0.083 R)
• M9: 5,349,769 km (0.1 R)
• M10: 5,781,958 km (0.068 R)
• M11: 6,625,241 km (0.108 R)
• M12: 7,649,538 km (0.079 R)
• M13: 9,341,789 km (0.069 R)
• M14: 12,635,485 km (0.099 R)
• M15: 16,409,690 km (0.097 R)
• M16: 17,444,757 km (0.118 R)
• M17: 19,644,893 km (0.108 R)
• M18: 21,750,932 km (0.066 R)
• M19: 22,648,070 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.2

Radius: 3.9

Gravity: 64.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.67 AU - 8.39 AU

Year: 11851 Days

Day: 21.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,070,181 km

• M1: 68,366 km (0.113 R)
• M2: 240,105 km (0.073 R)
• M3: 394,639 km (0.067 R)
• M4: 575,952 km (0.051 R)
• M5: 708,645 km (0.111 R)
• M6: 935,884 km (0.098 R)
• M7: 1,133,653 km (0.076 R)
• M8: 1,358,947 km (0.065 R)
• M9: 1,535,323 km (0.059 R)
• M10: 2,158,248 km (0.07 R)
• M11: 2,591,484 km (0.054 R)
• M12: 2,840,265 km (0.081 R)
• M13: 3,385,549 km (0.11 R)
• M14: 4,237,659 km (0.088 R)
• M15: 4,913,093 km (0.107 R)
• M16: 5,883,385 km (0.094 R)
• M17: 7,865,706 km (0.115 R)
• M18: 10,197,339 km (0.107 R)
• M19: 11,281,774 km (0.1 R)
• M20: 14,221,222 km (0.103 R)
• M21: 15,352,631 km (0.065 R)
• M22: 16,466,537 km (0.104 R)
• M23: 18,359,099 km (0.105 R)
• M24: 24,202,991 km (0.103 R)
• M25: 24,499,194 km (0.069 R)
• M26: 25,605,920 km (0.119 R)
• M27: 32,353,083 km (0.068 R)
• M28: 33,074,593 km (0.1 R)
• M29: 33,683,905 km (0.092 R)
• M30: 34,052,963 km (0.09 R)
• M31: 37,234,910 km (0.098 R)
• M32: 39,236,230 km (0.073 R)
• M33: 40,332,334 km (0.108 R)
• M34: 42,442,262 km (0.072 R)
• M35: 45,517,995 km (0.094 R)
• M36: 48,114,266 km (0.094 R)
• M37: 49,369,392 km (0.113 R)
• M38: 52,108,828 km (0.053 R)
• M39: 53,934,371 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.8

Radius: 5.4

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.95 AU - 11.71 AU

Year: 22661 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,070,181 km

• M1: 67,319 km (0.073 R)
• M2: 707,149 km (0.109 R)
• M3: 884,722 km (0.09 R)
• M4: 1,899,743 km (0.09 R)
• M5: 2,205,671 km (0.114 R)
• M6: 2,713,406 km (0.082 R)
• M7: 3,295,491 km (0.107 R)
• M8: 7,308,903 km (0.069 R)
• M9: 8,215,317 km (0.093 R)
• M10: 10,067,488 km (0.032 R)
• M11: 10,248,651 km (0.12 R)
• M12: 11,381,256 km (0.113 R)
• M13: 13,744,005 km (0.104 R)
• M14: 17,521,202 km (0.098 R)
• M15: 17,695,783 km (0.106 R)
• M16: 24,236,949 km (0.102 R)
• M17: 24,671,830 km (0.072 R)
• M18: 34,634,899 km (0.086 R)
• M19: 35,048,088 km (0.107 R)
• M20: 39,962,827 km (0.114 R)
• M21: 41,336,734 km (0.049 R)
• M22: 55,709,798 km (0.092 R)
• M23: 64,003,803 km (0.036 R)
• M24: 64,210,847 km (0.104 R)
• M25: 71,514,365 km (0.088 R)
• M26: 74,218,645 km (0.073 R)
• M27: 76,523,799 km (0.068 R)
• M28: 79,830,361 km (0.105 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: 162 - 14,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit