🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.37 AU - 1.59 AU

Year: 645 Days

Day: 37.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,727,354 km

• M1: 21,243 km (0.096 R)

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 9.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.95 AU - 8.56 AU

Year: 6992 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,727,354 km

• M1: 121,473 km (0.112 R)
• M2: 426,055 km (0.09 R)
• M3: 777,311 km (0.093 R)
• M4: 1,197,980 km (0.067 R)
• M5: 1,620,145 km (0.086 R)
• M6: 2,371,126 km (0.113 R)
• M7: 3,605,907 km (0.039 R)
• M8: 4,009,373 km (0.035 R)
• M9: 4,496,014 km (0.112 R)
• M10: 4,935,982 km (0.027 R)
• M11: 5,255,074 km (0.09 R)
• M12: 6,464,872 km (0.05 R)
• M13: 7,098,868 km (0.086 R)
• M14: 8,247,031 km (0.091 R)
• M15: 8,573,155 km (0.103 R)
• M16: 9,251,282 km (0.05 R)
• M17: 10,476,189 km (0.089 R)
• M18: 11,857,426 km (0.105 R)
• M19: 14,209,404 km (0.103 R)
• M20: 14,798,072 km (0.085 R)
• M21: 16,597,136 km (0.103 R)
• M22: 19,670,624 km (0.117 R)
• M23: 21,686,455 km (0.077 R)
• M24: 23,754,197 km (0.089 R)
• M25: 25,863,078 km (0.04 R)
• M26: 28,834,092 km (0.06 R)
• M27: 30,160,576 km (0.118 R)
• M28: 32,025,314 km (0.078 R)
• M29: 35,337,560 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 10.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.27 AU - 10.75 AU

Year: 11343 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,727,354 km

• M1: 129,402 km (0.111 R)
• M2: 573,109 km (0.113 R)
• M3: 914,193 km (0.119 R)
• M4: 2,265,361 km (0.093 R)
• M5: 3,117,919 km (0.094 R)
• M6: 3,461,545 km (0.105 R)
• M7: 4,648,455 km (0.095 R)
• M8: 6,481,328 km (0.108 R)
• M9: 6,815,529 km (0.12 R)
• M10: 7,279,133 km (0.099 R)
• M11: 7,846,558 km (0.113 R)
• M12: 8,399,621 km (0.07 R)
• M13: 11,032,095 km (0.106 R)
• M14: 11,946,138 km (0.074 R)
• M15: 16,316,191 km (0.085 R)
• M16: 18,079,202 km (0.104 R)
• M17: 22,483,363 km (0.114 R)
• M18: 26,692,598 km (0.052 R)
• M19: 27,748,610 km (0.104 R)
• M20: 29,739,608 km (0.118 R)
• M21: 30,355,054 km (0.119 R)
• M22: 34,004,194 km (0.086 R)
• M23: 36,867,049 km (0.104 R)
• M24: 37,696,569 km (0.103 R)
• M25: 42,418,476 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 13.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.51 AU - 13.29 AU

Year: 12889 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,727,354 km

• M1: 171,738 km (0.094 R)
• M2: 819,348 km (0.099 R)
• M3: 1,265,598 km (0.084 R)
• M4: 1,733,241 km (0.113 R)
• M5: 3,669,935 km (0.1 R)
• M6: 5,388,515 km (0.098 R)
• M7: 6,856,669 km (0.069 R)
• M8: 7,371,734 km (0.084 R)
• M9: 13,842,740 km (0.111 R)
• M10: 14,598,359 km (0.109 R)
• M11: 15,746,223 km (0.108 R)
• M12: 16,342,221 km (0.12 R)
• M13: 18,466,062 km (0.117 R)
• M14: 24,521,485 km (0.093 R)
• M15: 25,526,184 km (0.047 R)
• M16: 26,662,828 km (0.105 R)
• M17: 27,617,712 km (0.057 R)
• M18: 29,148,248 km (0.085 R)
• M19: 30,047,780 km (0.043 R)
• M20: 38,323,384 km (0.082 R)
• M21: 39,539,465 km (0.036 R)
• M22: 40,781,128 km (0.066 R)
• M23: 41,341,372 km (0.079 R)
• M24: 47,382,283 km (0.03 R)
• M25: 48,157,051 km (0.101 R)
• M26: 50,371,548 km (0.101 R)
• M27: 50,854,749 km (0.106 R)
• M28: 51,340,942 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.7

Radius: 9.3

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 11.03 AU - 14.07 AU

Year: 15924 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,727,354 km

• M1: 115,639 km (0.039 R)
• M2: 438,771 km (0.092 R)
• M3: 1,061,247 km (0.117 R)
• M4: 1,484,908 km (0.086 R)
• M5: 2,197,144 km (0.099 R)
• M6: 2,993,304 km (0.085 R)
• M7: 4,285,231 km (0.068 R)
• M8: 5,037,559 km (0.101 R)
• M9: 5,996,481 km (0.114 R)
• M10: 6,285,654 km (0.062 R)
• M11: 6,627,485 km (0.109 R)
• M12: 7,209,720 km (0.091 R)
• M13: 7,584,612 km (0.102 R)
• M14: 7,874,234 km (0.07 R)
• M15: 8,579,288 km (0.074 R)
• M16: 9,054,262 km (0.117 R)
• M17: 13,438,227 km (0.099 R)
• M18: 14,079,404 km (0.114 R)
• M19: 14,740,776 km (0.104 R)
• M20: 15,654,520 km (0.111 R)
• M21: 16,444,546 km (0.028 R)
• M22: 18,797,870 km (0.071 R)
• M23: 21,655,489 km (0.104 R)
• M24: 22,044,293 km (0.111 R)
• M25: 24,057,881 km (0.036 R)
• M26: 26,301,101 km (0.069 R)
• M27: 27,303,855 km (0.055 R)
• M28: 34,385,968 km (0.104 R)
• M29: 35,719,334 km (0.098 R)
• M30: 40,510,655 km (0.082 R)
• M31: 41,249,518 km (0.102 R)
• M32: 43,212,691 km (0.074 R)
• M33: 44,451,362 km (0.108 R)
• M34: 54,864,869 km (0.05 R)
• M35: 56,316,717 km (0.105 R)
• M36: 56,683,531 km (0.049 R)
• M37: 57,422,245 km (0.118 R)
• M38: 62,970,531 km (0.1 R)
• M39: 63,564,135 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.3

Radius: 7.5

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.85 AU - 22.17 AU

Year: 29686 Days

Day: 21 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,727,354 km

• M1: 93,648 km (0.109 R)
• M2: 601,832 km (0.048 R)
• M3: 1,048,083 km (0.115 R)
• M4: 1,495,231 km (0.081 R)
• M5: 2,023,162 km (0.051 R)
• M6: 3,623,410 km (0.104 R)
• M7: 4,935,683 km (0.073 R)
• M8: 7,047,256 km (0.071 R)
• M9: 7,433,369 km (0.11 R)
• M10: 8,301,186 km (0.09 R)
• M11: 13,380,931 km (0.055 R)
• M12: 14,895,310 km (0.095 R)
• M13: 16,689,288 km (0.071 R)
• M14: 17,463,008 km (0.083 R)
• M15: 18,897,353 km (0.069 R)
• M16: 22,203,017 km (0.069 R)
• M17: 22,615,608 km (0.052 R)
• M18: 23,456,198 km (0.07 R)
• M19: 33,848,463 km (0.066 R)
• M20: 38,832,914 km (0.032 R)
• M21: 47,448,705 km (0.101 R)
• M22: 52,198,437 km (0.025 R)
• M23: 52,745,068 km (0.119 R)
• M24: 53,849,549 km (0.092 R)
• M25: 55,346,126 km (0.087 R)
• M26: 63,868,268 km (0.08 R)
• M27: 64,284,599 km (0.085 R)
• M28: 67,897,238 km (0.118 R)
• M29: 72,092,411 km (0.087 R)
• M30: 76,926,666 km (0.103 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 12,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit