🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 9.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.51 AU - 0.65 AU

Year: 310 Days

Day: 10.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,829,913 km

• M1: 116,986 km (0.075 R)
• M2: 890,407 km (0.116 R)
• M3: 1,422,975 km (0.086 R)
• M4: 2,090,032 km (0.081 R)
• M5: 2,506,662 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 8.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.08 AU - 1.38 AU

Year: 959 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,829,913 km

• M1: 103,372 km (0.101 R)
• M2: 482,902 km (0.118 R)
• M3: 975,528 km (0.104 R)
• M4: 1,394,701 km (0.106 R)
• M5: 2,007,454 km (0.077 R)
• M6: 2,327,294 km (0.087 R)
• M7: 3,548,461 km (0.119 R)
• M8: 4,606,717 km (0.1 R)
• M9: 6,737,140 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 10.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.66 AU - 2.58 AU

Year: 2170 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,829,913 km

• M1: 135,685 km (0.119 R)
• M2: 485,295 km (0.063 R)
• M3: 931,995 km (0.061 R)
• M4: 1,338,602 km (0.113 R)
• M5: 2,196,097 km (0.1 R)
• M6: 2,538,975 km (0.115 R)
• M7: 3,369,542 km (0.086 R)
• M8: 3,906,449 km (0.08 R)
• M9: 5,270,931 km (0.105 R)
• M10: 6,022,511 km (0.053 R)
• M11: 6,844,103 km (0.072 R)
• M12: 7,462,540 km (0.11 R)
• M13: 8,344,719 km (0.112 R)
• M14: 8,743,547 km (0.094 R)
• M15: 9,869,570 km (0.101 R)
• M16: 10,467,662 km (0.091 R)
• M17: 11,572,293 km (0.074 R)
• M18: 13,327,824 km (0.088 R)
• M19: 14,387,126 km (0.108 R)
• M20: 16,934,778 km (0.099 R)
• M21: 19,247,561 km (0.049 R)

Asteroid Belt

Center: 2.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 14.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.44 AU - 3.48 AU

Year: 3580 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 78.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,829,913 km

• M1: 185,352 km (0.096 R)
• M2: 663,317 km (0.049 R)
• M3: 1,202,468 km (0.118 R)
• M4: 1,906,026 km (0.082 R)
• M5: 4,030,167 km (0.114 R)
• M6: 5,022,898 km (0.064 R)
• M7: 5,525,547 km (0.088 R)
• M8: 6,428,968 km (0.12 R)
• M9: 8,849,312 km (0.079 R)
• M10: 10,205,118 km (0.057 R)
• M11: 11,695,412 km (0.09 R)
• M12: 13,469,044 km (0.085 R)
• M13: 15,260,180 km (0.114 R)
• M14: 17,037,253 km (0.112 R)
• M15: 17,659,131 km (0.113 R)
• M16: 19,068,941 km (0.112 R)
• M17: 19,863,306 km (0.099 R)
• M18: 20,935,324 km (0.08 R)
• M19: 21,518,307 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.66 AU - 3.9 AU

Year: 4176 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,829,913 km

• M1: 133,441 km (0.056 R)
• M2: 521,498 km (0.082 R)
• M3: 902,973 km (0.107 R)
• M4: 1,261,559 km (0.091 R)
• M5: 1,681,031 km (0.118 R)
• M6: 3,574,342 km (0.105 R)
• M7: 3,952,525 km (0.109 R)
• M8: 4,380,674 km (0.081 R)
• M9: 6,292,386 km (0.093 R)
• M10: 7,070,594 km (0.046 R)
• M11: 7,601,367 km (0.085 R)
• M12: 8,743,098 km (0.111 R)
• M13: 10,707,617 km (0.12 R)
• M14: 11,633,778 km (0.075 R)
• M15: 12,280,190 km (0.118 R)
• M16: 13,796,963 km (0.079 R)
• M17: 14,259,819 km (0.118 R)
• M18: 18,099,098 km (0.116 R)
• M19: 18,778,871 km (0.119 R)
• M20: 19,411,521 km (0.104 R)
• M21: 19,993,157 km (0.098 R)
• M22: 20,453,470 km (0.108 R)
• M23: 21,395,338 km (0.108 R)
• M24: 22,861,995 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.7

Radius: 11.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.57 AU - 4.01 AU

Year: 5186 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 20,829,913 km

• M1: 140,772 km (0.091 R)
• M2: 641,924 km (0.12 R)
• M3: 1,329,027 km (0.087 R)
• M4: 2,012,989 km (0.078 R)
• M5: 2,711,013 km (0.049 R)
• M6: 3,219,945 km (0.062 R)
• M7: 3,791,857 km (0.054 R)
• M8: 4,302,285 km (0.116 R)
• M9: 5,284,395 km (0.102 R)
• M10: 6,343,399 km (0.096 R)
• M11: 7,840,574 km (0.104 R)
• M12: 8,308,666 km (0.091 R)
• M13: 8,920,072 km (0.106 R)
• M14: 10,745,017 km (0.096 R)
• M15: 14,186,516 km (0.037 R)
• M16: 18,369,871 km (0.116 R)
• M17: 19,833,985 km (0.07 R)
• M18: 20,339,027 km (0.116 R)
• M19: 20,778,546 km (0.102 R)
• M20: 22,135,698 km (0.12 R)
• M21: 23,631,228 km (0.062 R)
• M22: 25,277,253 km (0.102 R)
• M23: 28,521,582 km (0.082 R)
• M24: 31,057,565 km (0.095 R)
• M25: 31,738,834 km (0.096 R)
• M26: 32,429,976 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 12.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.37 AU - 4.35 AU

Year: 5331 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,829,913 km

• M1: 154,235 km (0.106 R)
• M2: 676,182 km (0.06 R)
• M3: 1,084,734 km (0.082 R)
• M4: 1,934,300 km (0.09 R)
• M5: 2,374,268 km (0.066 R)
• M6: 3,223,236 km (0.052 R)
• M7: 3,768,071 km (0.109 R)
• M8: 4,329,961 km (0.04 R)
• M9: 4,971,436 km (0.076 R)
• M10: 5,519,114 km (0.076 R)
• M11: 6,162,235 km (0.058 R)
• M12: 7,695,314 km (0.086 R)
• M13: 8,464,547 km (0.082 R)
• M14: 9,694,690 km (0.096 R)
• M15: 11,165,237 km (0.099 R)
• M16: 12,328,660 km (0.087 R)
• M17: 12,870,952 km (0.118 R)
• M18: 14,198,484 km (0.06 R)
• M19: 14,845,046 km (0.042 R)
• M20: 16,629,299 km (0.083 R)
• M21: 19,689,473 km (0.109 R)
• M22: 21,643,670 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 14.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.37 AU - 5.21 AU

Year: 6246 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,829,913 km

• M1: 175,777 km (0.065 R)
• M2: 614,398 km (0.115 R)
• M3: 1,139,038 km (0.09 R)
• M4: 1,578,108 km (0.088 R)
• M5: 2,045,003 km (0.119 R)
• M6: 2,531,645 km (0.117 R)
• M7: 4,636,786 km (0.105 R)
• M8: 7,169,179 km (0.11 R)
• M9: 11,689,129 km (0.12 R)
• M10: 12,859,882 km (0.053 R)
• M11: 14,933,458 km (0.079 R)
• M12: 17,330,764 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 17,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit